Lactic acid has long been vilified, but new research shows that it doesn't impair muscle function. In fact, it might actually be good for you.

In peels, this ingredient is often paired with other acids, like lactic or glycolic ... FDA is 100% trichloroacetic acid, which “can cause severe chemical burns, deep tissue damage, permanent ...

This at-home chemical peel is strong enough to have a real effect but won’t burn your skin, he says. Another winner from ClarityRx, Brighten It contains a 10 percent lactic acid solution and has ...

For example, if you prefer to use an active ingredient in a cleanser rather than a peel, and vice versa, stick to that. “Other hydrating ingredients, like hyaluronic acid, work well with lactic ...