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What does Lactic acid do for your skin?

Lactic acid is an alpha hydroxy acid (AHA) found in over-the-counter (OTC) and professional skin care products. Lactic acid is used to exfoliate the skin, brighten dark spots, and reduce the appearance of fine lines and wrinkles.

Following are the reasons how lactic acid benefits your skin:


  • Lactic acid exfoliates the top layer of skin, reducing the appearance of fine lines and wrinkles.
  • Dark spots, age spots, freckles, and acne scars can all be faded with lactic acid.
  • Lactic acid works to clear acne by exfoliating dead skin cells that block pores and cause breakouts. Lactic acid is a keratolytic, which means it can break down dead skin cells on the surface of the skin and open any clogged pores.
  • The most hydrating and nourishing AHA is lactic acid. Lactic acid is a humectant, which means it attracts moisture to itself chemically. Lactic acid also promotes healthy lipids, which increases the skin’s natural capacity to retain water.
  • Lactic acid exfoliation increases skin cell regeneration, and the lipids between your skin cells also regenerate throughout this process.
  • Lactic acid exfoliates the skin’s surface by dissolving the glue that keeps dead skin cells together.
  • Lactic acid exfoliation eliminates dead skin cells from the skin’s surface, which not only speeds up cell renewal but also allows other skin care products to penetrate deeper.
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