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How Long After Microneedling Can You Use Retinol? A Retinol After Microneedling Timeline

By · Published October 24, 2026 · Updated October 18, 2026 · 18 min read

Start with our pillar guide: Dermal Fillers for Ozempic Face: What the Evidence Shows (and Doesn't), or browse all Aesthetic Treatments articles.

How long after microneedling can you use retinol? Clinics typically say about 3–7 days after shallow at-home rolling and 1–2 weeks after deeper in-office or RF microneedling, once skin no longer stings. No study has tested any waiting period. The waits are convention, aimed mainly at avoiding irritation on still-inflamed skin. Evidence: Limited.

Key takeaways

  • We found no study that tests when to restart retinol or tretinoin after microneedling, and the Retin-A prescribing information has no microneedling-specific instruction (DailyMed, Retin-A label).
  • Research microneedle sites resealed within 2 hours without occlusion (Gupta et al., 2011), but after 0.25 and 0.5 mm facial needling, water loss took at least 48–72 hours to recover (Tao et al., 2017).
  • Retinoids irritate even intact skin: in a cohort of 324 people using tretinoin 0.1%, 61% reported local side effects within 6 months (Pomerantz et al., 2014).
  • The American Academy of Dermatology (AAD) says a pre-treatment plan may include stopping retinoids for a few days before microneedling (AAD).
  • Published granuloma cases after microneedling involve vitamin C products, not retinoids (Friedmann et al., 2025).

Retinoids are vitamin A derivatives: retinol is the over-the-counter form, and tretinoin (retinoic acid) is the prescription form. This page covers only when they fit back into your routine. For everything else you put on your skin after a session, see our full guide to skincare after microneedling, whose restart table lists retinoids at "several days to 2 weeks" as clinic convention. The ranges below match it.

Microneedling (collagen induction therapy) uses fine needles to make controlled micro-injuries. Those injuries are the point, but they leave skin red and reactive for a few days, and that is the window retinoids are kept out of.

How long after microneedling can you use retinol?

Clinic convention is about 3–7 days after shallow at-home rolling and about 1–2 weeks after deeper in-office or RF microneedling. Many providers add a second condition: skin should no longer be red or sting when a plain moisturizer goes on. No study sets a number.

So when can you use retinol after microneedling, by the evidence alone? No trial has compared restart days. What exists is barrier research on how long needled skin stays more permeable, irritation data on retinoids, and regulator and specialty-society pages. The timeline combines those with clinic convention, and each step says which is which.

Retinol after microneedling, day by day (clinic convention unless a source is linked)

  1. Before treatment
    Retinoid often paused a few days

    The AAD says a dermatologist's pre-treatment plan may include stopping retinoids such as retinol or tretinoin for a few days before (AAD). Your provider sets the number of days.

  2. Day 0-1
    No retinoid

    In a human study of research microneedle arrays, unoccluded sites resealed within 2 hours (Gupta et al., 2011). The AAD advises waiting 24 hours before makeup. No routine we found includes a retinoid here.

  3. Days 2-3
    Barrier still recovering

    After 0.25 and 0.5 mm needles, water loss needed at least 48-72 hours to recover (Tao et al., 2017); after 0.15 and 0.25 mm, the barrier recovered within 72 hours (Han et al., 2012). Clinics keep the routine to cleanser, moisturizer and sun protection.

  4. Days 3-7
    Restart window after shallow rolling (convention)

    Some providers allow a retinoid from about day 3 after at-home rolling if nothing stings. Redness and swelling usually clear within a few days to a week, per the AAD. Deeper treatments are usually still waiting.

  5. Week 2+
    Typical restart after deeper or RF treatment (convention)

    About 1-2 weeks is common after in-office pen or RF microneedling. The FDA advises avoiding tanning and sun for 2 weeks after treatment (FDA).

Evidence: Limited. The barrier numbers come from small human studies. The restart days themselves are untested convention.

Why do you have to wait to use retinol after microneedling?

The better-supported reason is irritation: needled skin stays inflamed for days, and retinoids irritate even intact skin. The popular "open pores let it go in too deep" explanation is weaker, because the needle channels themselves close quickly.

Why wait? Channels close fast, irritation lasts longer

Unoccluded research microneedle sites resealed in human skin
2 h
Gupta et al., 2011
Water-loss recovery after 0.25 and 0.5 mm facial needling
48-72 h
Tao et al., 2017; n=16
Usual time for redness and swelling to clear
A few days to a week
AAD
Tretinoin 0.1% users reporting local side effects within 6 months (skin not needled)
61%
Pomerantz et al., 2014; n=324

Gupta 2011; Tao 2017; AAD patient page; Pomerantz 2014 Pomerantz et al., 2014 on PubMed

The barrier studies measured different things with different devices:

  • Human research arrays: Electrical impedance showed unoccluded sites recovered within 2 hours. Under occlusion, meaning a covering that seals the skin, resealing took 3–40 hours, and longer needles slowed it (Gupta et al., 2011). These were research arrays, not rollers or pens; n and funding were not stated in the abstract.
  • Facial split-face, 0.15 and 0.25 mm: With 5 or 10 passes, TEWL (transepidermal water loss, the water evaporating through skin), hydration and redness recovered within 72 hours (Han et al., 2012).
  • Facial split-face, 0.25 and 0.5 mm, n=16: Traditional microneedles needed at least 48–72 hours for TEWL to recover, compared with 4–8 hours for nanochip devices (Tao et al., 2017). One author is from a nanochip company.
  • Animal data: In diabetic rats, pores from a 1.0 mm roller closed within 8 hours, but deeper injury was still visible at 24 hours (Zhou et al., 2010).

The irritation side is clearer. In a cohort within a VA trial, 197 of 324 people (61%) applying tretinoin 0.1% cream reported local adverse effects within 6 months, and using other topical medications at enrollment predicted more of them (odds ratio 1.88) (Pomerantz et al., 2014). In 24 volunteers whose barrier was disrupted with a detergent (SDS), tretinoin 0.025% did not improve redness or TEWL compared with vehicle over 14 days (Le et al., 1997). Neither study involved needling.

Evidence: Limited for human barrier timing and retinoid irritation; Lab / animal only for the rat data.

Is tretinoin different from retinol after microneedling?

Clinics usually apply the same windows to tretinoin after microneedling: about 3–7 days after shallow rolling and about 1–2 weeks after deeper needling. Some providers wait longer for prescription strength, but no source we found gives a specific number of extra days, so the clinician who prescribes it is the one to ask.

The Retin-A prescribing information has no microneedling instruction. It does say to apply tretinoin after the washed face has dried for 20–30 minutes, that it can cause severe irritation on eczematous skin, that people with sunburn shouldn't use it until fully recovered, and to use caution with abrasive, drying or medicated products (DailyMed, Retin-A label). Clinics often treat freshly needled skin with the caution the label applies to irritated or sunburned skin. That is an inference, not a label instruction.

The one randomized trial pairing microneedling with tretinoin doesn't answer the timing question. In a blinded RCT of 42 women with melasma, 4 sessions 15 days apart, microneedling plus a 5% retinoic acid peel cut MASI (a melasma severity score) by about 50%, the same as the peel alone, and the combination lowered antioxidant defense markers (Bergmann et al., 2021). The tretinoin was an in-office peel, not nightly home use. We found no study on adapalene timing after microneedling either.

If you're timing tretinoin around injectables instead, see tretinoin after Botox. For what tretinoin does long term, see does tretinoin help with wrinkles?

Evidence: Limited.

What about isotretinoin?

Isotretinoin is an oral retinoid, so it is a separate question from topical retinol. The AAD says to wait at least 1 month after your last pill (AAD), while the FDA says microneedling isn't recommended for people who use isotretinoin or used it in the past 6 months (FDA).

A 2024 systematic review of 16 studies (6 RCTs) found current evidence does not justify delaying energy-based devices, including fractional microneedle radiofrequency, in people on or recently on isotretinoin (Xu et al., 2024). A 2017 JAMA Dermatology consensus found insufficient evidence to delay procedures such as superficial peels and nonablative lasers, but its abstract does not address microneedling (Spring et al., 2017). Ask your dermatologist which wait applies to you.

Evidence: Mixed / contested.

Does a home derma roller change how long after microneedling you can use retinol?

Yes, by convention: the deeper the needles, the longer clinics wait. Every wait in this table is clinic convention, not a trial result.

Device Typical retinoid wait (clinic convention) What the sources add
At-home roller, about 0.25 mm About 3–7 days, or once skin stops stinging Barrier recovered within 72 h at 0.15–0.25 mm (Han et al., 2012); at least 48–72 h at 0.25 mm (Tao et al., 2017)
In-office pen, 0.5 mm and deeper About 1–2 weeks At least 48–72 h at 0.5 mm (Tao et al., 2017); deeper injury visible at 24 h after 1.0 mm in rats (Zhou et al., 2010); no human barrier data for deeper pens in our sources
RF microneedling About 1–2 weeks; follow your provider FDA safety communication (Oct 15, 2025) on burns, scarring, fat loss and nerve damage (FDA)

Can I use retinol after dermarolling the same night, since the needles are so short? That is a recurring question in home-microneedling communities, and no study tests it. The closest data say the barrier at 0.25 mm took up to about 72 hours to recover in two facial studies, which is roughly where the short end of the 3–7 day range comes from.

The AAD notes that at-home devices typically aren't meant to puncture skin and warns about overuse and spreading infection (AAD). The FDA adds that products whose needles don't penetrate living skin aren't regulated as devices (FDA). People also ask whether a derma stamp differs from a roller for retinol timing; we found no study comparing them.

Evidence: Limited (human barrier data at 0.15–0.5 mm only; waits are convention).

How should you restart retinol after microneedling?

Clinic convention is to restart at low frequency, often every third night, and build up only if skin stays calm, with moisturizer applied first or in a "sandwich" around the retinoid. The restart pattern is untested after needling, but moisturizer pairing has some data on non-needled skin.

In a double-blind split-face study of women with photodamage (n not stated in the abstract), a barrier moisturizer with niacinamide, panthenol and tocopheryl acetate, started 2 weeks before daily tretinoin 0.025%, "facilitates the early phase of facial retinization" (Draelos et al., 2006). In a split-face study of 38 women using tretinoin 0.025% nightly, a branded moisturizer plus sunscreen reduced redness, dryness, burning, itching and stinging versus sunscreen alone (p<0.05); several authors were employed by the manufacturer's parent company, which also paid the research organization (Valpaços et al., 2023).

The calendar below expands the format of our parent aftercare table. "Data" means a linked study or official source supports the cell; "convention" means clinic practice that no study has tested.

Product Day 0 Day 1 Days 2–3 Days 4–7 Days 7–14
Moisturizer Plain, light layer (convention); occlusion slowed resealing to 3–40 h (Gupta, data) Plain (convention) Plain (convention) Buffer when a retinoid returns (convention); eased early tretinoin irritation on non-needled skin (Draelos, Valpaços, data) Same (convention)
Sunscreen Sun and tanning avoided for 2 weeks (FDA, data); product timing is convention Same Same Same Same through week 2 (FDA, data)
Peptides Not used (convention) Per provider (convention) Per provider; no trial (convention) Per provider; no trial (convention) Per provider (convention)
Vitamin C Not applied; granuloma cases involved vitamin C used during or before needling (Friedmann, data) Wait (convention) Wait (convention) Per provider (convention) Per provider (convention)
Retinol Not used (convention) Not used (convention) Not used; TEWL recovery 48–72 h at 0.25–0.5 mm (Tao, data) Earliest restart after shallow rolling, if nothing stings (convention) Typical restart after in-office or RF (convention)
Tretinoin Not used (convention) Not used (convention) Not used; on detergent-disrupted skin, tretinoin didn't improve irritation (Le, data) After shallow rolling, if nothing stings; ask prescriber (convention) Typical after deeper needling; ask prescriber (convention)
Acids Not used (convention) Not used (convention) Not used (convention) Not used (convention) Per provider (convention); label urges caution with drying products (Retin-A label, data)

The ramp below is illustrative clinic convention, not a tested protocol. Night 1 is the first night after your provider's wait has passed.

Nights Retinoid nights (illustrative, convention) Notes (convention)
1–3 Night 1 only Moisturizer first, or moisturizer–retinoid–moisturizer
4–6 Night 4 only Clinics typically drop back a step if stinging returns
7–9 Night 7 only Plain moisturizer on off nights
10–14 Nights 10, 12 and 14 Every other night only if skin stays calm
After 14 Usual frequency, per prescriber Your prescriber decides how tretinoin is reintroduced

For pairing with other actives, see using peptides and retinol together. For frequency in general, see can you use retinol every night?

Evidence: Limited (moisturizer data on non-needled skin, one study industry-funded; ramp is convention).

Will pausing retinol for a week make you lose your retinization?

We don't know, because no study has measured it. Retinization is the adjustment period in which retinoid irritation fades as skin gets used to the product. Clinic convention is that after a 1–2 week break some people need to rebuild slowly, which is the logic behind the ramp above, but that advice is untested. Evidence: Limited (convention only).

When should you stop retinol before microneedling?

The AAD says your dermatologist may give you a pre-treatment skin-care plan for 2–4 weeks before microneedling, which may include stopping retinoids such as retinol or tretinoin for a few days before (AAD). It doesn't give a single number of days, and we found no study testing how long a pre-treatment pause should be.

Not every expert group pauses. A 2025 consensus of 6 aesthetic practitioners recommended vitamin A as part of the pre-procedure routine and advised avoiding actives immediately after surface-active procedures (McDonald et al., 2025). That is expert opinion, not trial data.

Readers often ask whether retinol the night before an appointment is a problem. No study covers it, so the plan your provider gives you is the one that applies.

Evidence: Limited (expert guidance only).

What happens if you used retinol too soon?

The most likely result is irritation: the FDA lists stinging or itching when cosmetic products are applied as a less common microneedling risk (FDA). No study tests what happens after an early retinoid restart or what to do next.

A common reader story is tretinoin going back on around day 3 and burning. Day 3 sits at the edge of the 48–72 hour barrier recovery seen at 0.25 and 0.5 mm (Tao et al., 2017), and deeper treatments likely take longer, though we lack human data for them. Layering other topicals raised the odds of tretinoin irritation in the VA cohort (Pomerantz et al., 2014). We found no study on whether an early restart raises the risk of dark marks (post-inflammatory hyperpigmentation).

The only study that combined needling with a retinoid directly was in rats. In a burn model (n=24), microneedling plus retinyl palmitate gave no added benefit, and retinyl palmitate alone was linked to persistent inflammation (Alpat et al., 2026). Burn wounds in rats are very different from facial needling.

Granulomas, firm inflammatory lumps, are the rare serious reaction tied to products on needled skin, but the published cases involve vitamin C, not retinoids. A 2014 case series described 3 women with facial granulomas; 2 had a branded vitamin C serum applied during needling and had positive patch tests (Soltani-Arabshahi et al., 2014). A 2022 case report described a 49-year-old woman after a vitamin C product was applied beforehand, noting only 10 prior cases (Heck and Traboulsi, 2022). A 2025 systematic review of 13 studies and 15 patients implicated motorized pens and topical vitamin C in most cases (Friedmann et al., 2025).

If burning persists or you see lumps, swelling or signs of infection, contact your provider. For background, see what the skin barrier is, how to fix a damaged skin barrier and how irritation differs from purging.

Evidence: Limited for irritation; Early / preliminary for the granuloma signal.

Can you use peptides instead while you wait?

No trial has tested peptides in the days after microneedling, so any advice to use them in that window is convention. The 6-practitioner consensus said antioxidants, tranexamic acid and growth factors may be used immediately after needling (McDonald et al., 2025), but that is expert opinion, and the granuloma cases above involve vitamin C applied around needling.

Our microneedling aftercare guide covers peptides in its restart section, and copper peptides for skin covers GHK-Cu specifically. For how the two ingredient families compare once you're back on a retinoid, see peptides compared with retinoids.

AM

  1. Gentle cleanser, lukewarm water.
  2. Plain moisturizer.
  3. Sun protection; the FDA advises avoiding tanning and sun for 2 weeks after treatment.
  4. Makeup only after 24 hours, per the AAD.

PM

  1. Gentle cleanser.
  2. Plain moisturizer; many providers skip heavy occlusives over actives on fresh skin.
  3. No retinol or tretinoin until your device's wait has passed and skin no longer stings.
  4. Retinoid returns at about day 3-7 (shallow rolling) or about week 1-2 (in-office or RF).

The FDA notes that microneedling devices are not authorized for delivering cosmetics or topical drugs (FDA), so "pushing in" any serum isn't an approved use. For other procedures in our Aesthetic Treatments pillar, start with fillers for GLP-1 facial volume loss.

Evidence: Limited (no peptide trial; expert opinion and regulator guidance only).

Where the evidence stops

  • Restart timing: No study tests when to restart retinol, tretinoin or adapalene after microneedling. Every day count here is convention.
  • Combination evidence: A 2023 review of topical acne-scar treatments, which covered retinoids and topicals paired with needling, said "there is lack of evidence to support the widespread use of these topical agents" (Bikash and Sarkar, 2023). The only direct combination study is in rats.
  • Deeper needles: Human facial barrier data stop at 0.5 mm. Nothing in our sources measures recovery after deeper pens or RF microneedling.
  • Irritation data: The retinoid irritation and moisturizer studies used non-needled skin.
  • Retinization: No study measures tolerance loss after a 1–2 week pause.
  • Pre-treatment: The AAD says a plan may include pausing retinoids for a few days, while a 6-practitioner consensus keeps vitamin A in the pre-procedure routine.
  • Isotretinoin: The AAD says 1 month, the FDA says 6 months, and a 2024 review found no evidence justifying delay for energy-based devices.

FAQ

Can I use retinol the night after microneedling?

No study tests this, and none of the clinic or expert routines we found include a retinoid on the day of treatment or the day after. Clinic convention is about 3 to 7 days after shallow at-home rolling and about 1 to 2 weeks after deeper in-office or RF microneedling, once skin no longer stings. Your provider's instructions take priority.

How many days after microneedling can I use tretinoin?

Clinics usually use the same windows as for retinol: about 3 to 7 days after shallow rolling and about 1 to 2 weeks after deeper needling. Some providers wait longer for prescription strength, but no study sets a number, and the Retin-A prescribing information has no microneedling instruction. Ask the clinician who prescribes your tretinoin.

Can I use retinol after dermarolling at home?

Clinic convention for a roller of about 0.25 mm is roughly 3 to 7 days, or once skin stops stinging. In split-face studies, facial skin needled at 0.25 mm took up to about 48 to 72 hours to restore its barrier. No study tests restarting a retinoid after home rolling.

Does retinol go deeper after microneedling?

Barrier studies show needled skin stays more permeable for hours to about 3 days, and rare granuloma cases show products on freshly needled skin can be driven inward, though the published cases involve vitamin C, not retinoids. No study measures retinol penetration after needling. The FDA says microneedling devices are not authorized for delivering cosmetics or topical drugs.

Should I stop retinol before microneedling?

The American Academy of Dermatology says a dermatologist's pre-treatment plan may include stopping retinoids such as retinol or tretinoin for a few days before treatment. A 6-practitioner consensus instead keeps vitamin A in the pre-procedure routine. Your provider sets the plan.

Can I use retinol and microneedling in the same week long-term?

No study tests a long-term spacing schedule. The one randomized trial combining microneedling with retinoic acid used in-office peels at sessions 15 days apart, which says nothing about nightly home use. Ask your provider how they want the two spaced.

What can I use instead of retinol right after microneedling?

Clinic convention keeps the first days to a gentle cleanser, plain moisturizer and sun protection. A 6-practitioner consensus said antioxidants, tranexamic acid and growth factors may be used immediately after needling, but published granuloma cases involve vitamin C applied around needling, and no trial tests peptides in this window.

Will I lose my retinization if I pause retinol for a week or two?

No study has measured this. Clinic convention is that after a short pause some people need to rebuild slowly, for example by using the retinoid less often at first, but that advice is untested.

How long after isotretinoin can I get microneedling?

The American Academy of Dermatology says to wait at least 1 month after the last pill, while the FDA says microneedling is not recommended within the past 6 months. A 2024 systematic review found current evidence does not justify delaying energy-based devices, including fractional microneedle radiofrequency, in people on or recently on isotretinoin. Because the sources differ, ask your dermatologist which wait applies to you.

References

  1. American Academy of Dermatology. Microneedling can fade scars. AAD public patient page. Updated 2023. Expert guidance, not a trial. https://www.aad.org/public/cosmetic/scars-stretch-marks/microneedling-fade-scars
  2. U.S. Food and Drug Administration. Microneedling Devices. FDA consumer page. Includes reference to an RF microneedling safety communication (Oct 15, 2025). Regulatory guidance. https://www.fda.gov/medical-devices/aesthetic-cosmetic-devices/microneedling-devices
  3. Retin-A (tretinoin) prescribing information. DailyMed. Revised 03/2024. Drug label; no microneedling-specific instruction. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=9556d73d-c573-4e0a-9feb-764ce2d1107b
  4. Gupta J, et al. Kinetics of skin resealing after insertion of microneedles in human subjects. J Control Release. 2011. Human study with research microneedle arrays; n and funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/21640148/
  5. Han TY, et al. Facial skin barrier function recovery after microneedle transdermal delivery treatment. Dermatol Surg. 2012. Split-face study, 0.15 and 0.25 mm, 72 h follow-up; n and funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/22882208/
  6. Tao YL, et al. The self-recovery of facial skin barrier and erythema after nanochip treatment. J Cosmet Laser Ther. 2017. Split-face study, n=16; one author from Suzhou Natong Bio-nanotechnology, a nanochip company. https://pubmed.ncbi.nlm.nih.gov/28657367/
  7. Zhou CP, et al. Transdermal delivery of insulin using microneedle rollers in vivo. Int J Pharm. 2010. Animal study in diabetic rats; funding not stated. https://pubmed.ncbi.nlm.nih.gov/20347024/
  8. Bergmann CLMDS, et al. The use of retinoic acid in association with microneedling in the treatment of epidermal melasma: efficacy and oxidative stress parameters. Arch Dermatol Res. 2021. Blinded RCT, n=42 women, 4 sessions 15 days apart; funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/32978675/
  9. McDonald C, et al. A Guide to Periprocedural Skin Care Regimen for Injectable and Nonenergy Cosmetic Procedures Based on a Consensus of 6 Aesthetic Practitioners. Aesthet Surg J Open Forum. 2025. Expert consensus, 6 practitioners. https://pubmed.ncbi.nlm.nih.gov/41230112/
  10. Spring LK, et al. Isotretinoin and Timing of Procedural Interventions: A Systematic Review With Consensus Recommendations. JAMA Dermatol. 2017. Systematic review with expert consensus; microneedling not addressed in abstract. https://pubmed.ncbi.nlm.nih.gov/28658462/
  11. Soltani-Arabshahi R, et al. Facial allergic granulomatous reaction and systemic hypersensitivity associated with microneedle therapy for skin rejuvenation. JAMA Dermatol. 2014. Case series, n=3; no funding stated. https://pubmed.ncbi.nlm.nih.gov/24258303/
  12. Friedmann DP, et al. Granulomatous Reactions From Microneedling: A Systematic Review of the Literature. Dermatol Surg. 2025. Systematic review, 13 studies, 15 patients; funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/39584690/
  13. Alpat SE, et al. Microneedling accelerates burn wound healing and promotes collagen remodeling: Insights from a rodent model. Burns. 2026. Animal study, n=24 rats (6 per group), 28 days; funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/41380206/
  14. Le TK, et al. Effect of a topical corticosteroid, a retinoid and a vitamin D3 derivative on sodium dodecyl sulphate induced skin irritation. Contact Dermatitis. 1997. Human study, n=24 healthy volunteers, vehicle-controlled, up to 14 days; funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/9255481/
  15. Pomerantz H, Weinstock MA. Predictors of local adverse effects caused by topical tretinoin cream 0·1% in the Veterans Affairs Topical Tretinoin Chemoprevention trial. Br J Dermatol. 2014. Cohort within an RCT, n=324, 6 months; funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/24666361/
  16. Draelos ZD, et al. Facilitating facial retinization through barrier improvement. Cutis. 2006. Paired double-blind split-face study in women with photodamage, 10 weeks; n and funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/17121065/
  17. Valpaços C, et al. Benefits of the Dermocosmetic Mineral 89 Probiotic Fractions Adjunct to Topical Retinoids for Anti-Aging Benefits. Clin Cosmet Investig Dermatol. 2023. Split-face study, n=38 women, 84 days; several authors employed by Vichy/La Roche-Posay (L'Oréal), research organization paid by L'Oréal. https://pubmed.ncbi.nlm.nih.gov/36798538/
  18. Xu Y, et al. Combinations of Energy-based Devices plus isotretinoin for management of acne and acne scars: A systematic review. J Cosmet Dermatol. 2024. Systematic review, 16 studies (6 RCTs); funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/38845186/
  19. Heck E, Traboulsi D. A case of a delayed granulomatous reaction on the face following microneedling: A case report. SAGE Open Med Case Rep. 2022. Case report, n=1; funding not stated in the abstract. https://pubmed.ncbi.nlm.nih.gov/35693923/
  20. Bikash C, Sarkar R. Topical management of acne scars: The uncharted terrain. J Cosmet Dermatol. 2023. Narrative review, expert opinion. https://pubmed.ncbi.nlm.nih.gov/36606377/

Disclosure: This article is for general information only. It is not medical advice. Peptide Skincare has no affiliate links in this article and received no payment from any manufacturer mentioned. Talk to your prescriber before making any change to a GLP-1 medication, and to a licensed clinician about any skin or aesthetic treatment.

For educational purposes only; not medical advice. See our disclaimer and research method.