exfoliant
Glycolic Acid
Also sold as AHA
Glycolic Acid appears in 3 products in this index, 2 of which publish a strength — the highest is 8% in Naturium Glycolic Acid Resurfacing Solution 8%. It works between pH 3 and 4.
Mechanism
The smallest alpha hydroxy acid, so the most penetrating. Weakens corneocyte adhesion at the stratum corneum.
Products containing it
sorted by published strength| Product | Size | Strength | Best price | Per ml of active |
|---|---|---|---|---|
| 60 ml | 8% | awaiting retailer | — | |
Glycolic Acid 7% Toning Solution The Ordinary | 240 ml | 7% | awaiting retailer | — |
AHA 30% + BHA 2% Peeling Solution The Ordinary | 30 ml | unstated | awaiting retailer | — |
Cost per active is price divided by the volume of pure active in the bottle. It appears once retailer prices are being tracked, and only for products whose strength the maker publishes.