Evidence supporting the use of: Lactic Acid
For the health condition: Skin (infections)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Lactic acid is an alpha hydroxy acid (AHA) commonly used in dermatology, primarily for its exfoliating and keratolytic effects rather than as a direct antimicrobial agent. Some scientific studies have shown that lactic acid possesses mild antimicrobial properties, particularly against certain bacteria and fungi, by lowering skin pH and disrupting microbial cell membranes. This has led to its inclusion in some topical formulations aimed at managing mild skin infections or as an adjunct in acne therapy.

However, the scientific evidence for lactic acid as a standalone treatment for skin infections is limited. Most clinical studies and reviews focus on its efficacy in treating hyperkeratotic conditions (such as ichthyosis or keratosis pilaris), improving skin texture, and enhancing skin barrier function. Its role in infection control is generally secondary—by exfoliating dead skin cells, it may help prevent environments where pathogens thrive, but it is not considered a primary antimicrobial agent.

In summary, there is some limited scientific basis for the use of lactic acid in supporting the treatment of skin infections, mainly due to its acidifying and mild antimicrobial effects. However, it should not be relied upon as a sole or primary treatment for established infections, but may be useful as part of broader dermatological regimens.

More about Lactic Acid
More about Skin (infections)

Products containing Lactic Acid

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