For your skin
The slowest, gentlest exfoliating acid. Resurfaces with the least irritation, especially friendly to sensitive and deeper skin tones.
Want the science? Keep reading ↓Mechanism of action
Larger-molecule AHA that penetrates more slowly, exfoliating with less irritation than glycolic.
Why we tier this strong
5 cited papers across 2 countries. Multiple positive efficacy results plus regulatory backing. Our catalog highlights 5 cited papers as direct references, a curated sample from the broader body of published research that earns Mandelic Acid its Strong tier (15+ studies including multiple RCTs or a large longitudinal cohort). See our methodology for how we evaluate evidence.
Layering matrix
- Retinolmedium
Retinol + mandelic acid — alternate nights to preserve barrier integrity.
Read the research
Compare with
Cited research
Ravikumar P et al., Efficacy of Alpha and Beta Hydroxy Acid Chemical Peels in Postacne Pigmentation, Journal of Clinical and Aesthetic Dermatology 2022 — mandelic-acid-containing peels improved postacne hyperpigmentation in a randomized comparison
Dayal S et al., Comparative study of efficacy and safety of 45% mandelic acid versus 30% salicylic acid peels in mild-to-moderate acne vulgaris, Journal of Cosmetic Dermatology 2020 — 45% mandelic acid peels comparably effective and better tolerated than 30% salicylic peels
Sarkar R et al., Comparative study of 35% glycolic acid, 20% salicylic-10% mandelic acid, and phytic acid combination peels in the treatment of active acne, Journal of Cutaneous and Aesthetic Surgery 2019;12(3):158-163
Kontochristopoulos G, Platsidaki E (Greece), Chemical peels in active acne and acne scars, Clinics in Dermatology 2017;35(2):179-182 — review supporting mandelic-acid-containing peels for active acne and acne scarring
Sarkar R et al., Comparative Evaluation of Efficacy and Tolerability of Glycolic Acid, Salicylic Mandelic Acid, and Phytic Acid Combination Peels in Melasma, Dermatologic Surgery 2016;42(3):384-391 — salicylic-mandelic combination peels equally efficacious to 35% glycolic in 90 Indian melasma patients
Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.