- 15% Vitamin C (L-Ascorbic Acid) - Helping to diminish visible skin discolouration and even skin tone - Gently exfoliates skin surfaceENLIGHTEN NeoStrata Enlighten 15% Vitamin C + PHA Serum NeoStrata's Enlighten regimen- Effective anti-aging for the promotion of bright, even skin tone   15% Vitamin C + PHA Serum A potent brightening Vitamin C face serum, formulated with 15% Vitamin C (L-Ascorbic Acid) clinically proven to target the look of dark spots, skin discoloration and texture. A gold standard in Vitamin C serums. A unique powerful face serum formulated with a blend of clinically proven antioxidants and exfoliating Polyhydroxy Acid for brighter, more radiant skin in just one week! This lightweight and easily absorbed formula glides on smoothly and gives skin a boost of L-Ascorbic Acid (Pure Vitamin C), Feverfew Extract, Green Tea and Gluconolactone (Polyhydroxy Acid) to provide skin with antioxidant protection from external aggressors and oxidative stress, help