Glycolic acid is an alpha hydroxy acid that works by breaking down the connection junctions of the skin cells. By doing so, the upper layer peels off and a newer layer is laid down. With repeated treatments, new collagen is produced in the middle layer of the skin.
Glycolic acid is available from as little as 5 to up to 70% (used in clinics). The acid needs to be neutralized after application. Home care depends on the actual concentration and may not be reflected by what is on the product itself. Safe concentration should not exceed more than 10 and needs to be washed off after a certain time. Caution should be exercised and a dermatologists' consultation is required before any decision.
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