PHA is an abbreviation for Poly Hydroxy Acid. This is a group of acids that works in the same way as AHA. PHA has a larger molecule structure compare to the other acids. This makes the exfoliation gentle on the skin and suitable for sensitive skin and alleviates temporary redness or discomfort. Similar to other acids, PHA exfoliates the skin and has both a gentle effect on the skin and antioxidant benefits, without irritating the skin. It is a face rejuvenator to minimize the apperance of dull skin and create the appearance of a more even skin tone improves the skin's moisture levels, while protecting against external stresses. PHA is suitable for sensitive skin. It can be used on a daily basis.