Synopsis

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

Alpha Hydroxy Acids (AHAs)—such as glycolic acid and lactic acid—are well-established in dermatology for their role in improving dry and flaky skin. AHAs act primarily as exfoliants, disrupting the bonds between dead skin cells (corneocytes) on the surface of the stratum corneum. This action facilitates the shedding of dry, flaky skin and encourages the emergence of newer, more hydrated skin layers. Multiple clinical trials and dermatological reviews support their efficacy in treating xerosis (dry skin) and ichthyosis (a condition characterized by dry, scaly skin). In addition, AHAs such as lactic acid are recognized as humectants, attracting water to the skin and further improving hydration.

Peer-reviewed studies published in journals like Dermatologic Surgery and International Journal of Cosmetic Science have demonstrated significant improvements in skin texture, hydration, and barrier function after regular application of AHA-containing formulations. The American Academy of Dermatology also recognizes AHAs as effective agents for treating dry, flaky skin. Common side effects are mild and include transient stinging or irritation, especially at higher concentrations.

In summary, the use of Alpha Hydroxy Acids for supporting and treating dry and/or flaky skin is strongly grounded in scientific evidence, with multiple clinical studies and expert consensus validating their safety and efficacy.

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