Lactic Acid is a type of Alpha Hydroxy Acid commonly used in skin care products. Known as a gentle-yet-effective exfoliator, Lactic Acid helps reduce the appearance of pores, uneven skin tone and texture for the look of improved skin clarity and brightness.
Peter Thomas Roth products with Lactic Acid:
Irish Moor Mud Purifying Black Mask
Potent-C Brightening Vitamin C Moisturizer
Pumpkin Enzyme Mask Enzymatic Dermal Resurfacer
Ultimate Solution 5 Multitasking Moisturizer