The Neostrata 15% Vitamin C + PHA Serum pairs vitamin C with gentle exfoliation to restore a more even skin tone. The exfoliator, polyhydroxy acid (PHA), helps the vitamin C to let it work more effectively, for a brighter and more radiant appearance, in as little as one week.
 
The 15% Vitamin C + PHA Serum has a lightweight and easily absorbed formula which glides on smoothly and gives skin a boost of L-Ascorbic Acid (Pure Vitamin C). Feverfew Extract, Green Tea and Gluconolactone (Polyhydroxy Acid) provide the skin with antioxidant protection from external aggressors and oxidative stress, helping to reduce visible skin discoloration and even skin tone. Polyhydroxy Acid helps gently exfoliate skin's surface, allowing the Potent Vitamin C to absorb into rejuvenated, renewed surface layers of skin. 
 
This serum is precisely formulated at an optimised pH and concentration level for effective results and is clinically proven to visibly target dark spots, uneven skin tone and texture.