Lactic acid
TYPE OF INGREDIENT
Chemical exfoliant, alpha hydroxy acid
COMMONLY FOUND IN
Cleansers, toners, serums, peels, masks
WHAT ARE THE BENEFITS OF LACTIC ACID ?
Lactic acid is a gentle chemical exfoliant that works by promoting skin cell turnover. Lactic acid also has been shown to have moisturizing properties by attracting and retaining hydration in the skin while also improving the skin’s barrier function. Clinical studies have shown that treatment with topical lactic acid results in increased epidermal and dermal thickness, and improvement in the appearance of lines and wrinkles.
WHAT IS LACTIC ACID?
Lactic acid is a chemical exfoliant that belongs to the family of alpha hydroxy acids.
IS LACTIC ACID SAFE FOR ALL SKIN TYPES AND TONES?
Lactic acid is generally well tolerated by most skin types, though high concentrations may lead to irritation in sensitive skin.
CONTRAINDICATIONS
It is recommended to discontinue any strong exfoliating products when using lactic acid. In addition, lactic acid may increase skin sensitivity to the sun, so it is important to practice photoprotection when using this ingredient.
Sources:
Algiert-Zielińska B, Mucha P, Rotsztejn H. Lactic and lactobionic acids as typically moisturizing compounds. International Journal of Dermatology. 2018;58(3):374-379.
Spada F, Barnes TM, Greive KA. Skin hydration is significantly increased by a cream formulated to mimic the skin’s own natural moisturizing systems. Clin Cosmet Investig Dermatol. 2018;11:491–497.
Smith WP. Epidermal and dermal effects of topical lactic acid. J Am Acad Dermatol. 1996 Sep;35(3 Pt 1):388-91.
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