Find out all you need to know about lactic acid for skin care, including the pros, cons, risks, and benefits and how it may affect your health.

Poly-L-lactic acid has significantly higher efficacy than hyaluronic acid for the treatment of midfacial volume loss and/or contour defects.

As a natural humectant, lactic acid works like a magnet to attract and retain moisture in the skin. That means goat milk skin care products can deliver a smoother, brighter, more hydrated complexion.

Like lactic acid, mandelic acid is great for use in tandem with retinoids, as it help to slough off the dead skin cells that retinol quickly turns over.

Lactic acid builds up in muscles during intense exercise and causes a burning sensation. However, it is not responsible for next-day muscle soreness.