Lactic Acid is an alpha hydroxy acid that exfoliates the skin. This 10% formulation offers mild exfoliation. Apply a few drops to cleansed skin before oils, creams, and moisturizers at night only. Allow a few minutes for it to absorb. If irritation occurs, this product can be diluted to reduce its strength. This product should not be used on sensitive, peeling, or compromised skin.
It's only recommended for use once a day at maximum, but should probably be used once every few days. Don’t use with other acids and exfoliants like AHAs or benzoyl peroxide. Retinol should be avoided as well.