| Cellex-C's Cellex-C Core Serum for Sensitive Skin Cellex-C Serum for Sensitive Skin is for those people who desire to start a skin rejuvenation program but suffer from sensitive skin conditions. Contains the same active ingredients as in the High Potency Serum, but has only 7.5% Vitamin C (L-ascorbic acid) versus 10% in the High Potency and 17.5% in the Advanced-C. Consider starting with this product and advancing in strength or staying with this serum to rejuvenate seriously sensitive skin. . |  |