Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Alpha Hydroxy Acids (AHAs), such as glycolic acid and lactic acid, are widely used in dermatology and cosmetic products for their ability to improve the appearance of wrinkles and other signs of photoaging. The scientific basis for their use lies in their exfoliating properties: AHAs act by breaking down the bonds between dead skin cells, promoting their shedding and stimulating the regeneration of new skin. Multiple clinical studies have demonstrated that regular application of AHAs can lead to significant improvements in skin texture, increased epidermal and dermal thickness, and a reduction in the depth and number of fine wrinkles. For example, research published in peer-reviewed journals such as the Journal of the American Academy of Dermatology and Dermatologic Surgery has shown that treatments with glycolic acid and other AHAs result in smoother, more youthful-looking skin after several weeks of use. Additionally, histological studies confirm increased production of collagen and glycosaminoglycans in AHA-treated skin, which are key components in maintaining skin structure and elasticity. While AHAs are not a cure for deep wrinkles, their efficacy in improving mild to moderate photoaging is well-supported by scientific evidence, earning them a strong reputation in both clinical and cosmetic settings.

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