Beautiful, glowing skin may be more attainable than you think with this Vitamin C facial serum from PH Factor 5.5. Dermatologist agree that healthy skin has an ideal PH Balance of 5.5. If you damage this natural balance, skin conditions such as dryness and premature wrinkles may occur. PH Factor promotes a smooth, firm, healthy-looking complexion by creating a healthy PH 5.5 environment for your skin. That PH balance combined with these potent anti-aging ingredients and natural ingredients helps with all sign of aging. This Bulgarian Rose oil serum can be used with face masks and other great skin care products.