This is the BIG DOG in the realm of invisibility shields of anti-oxidants, likely the most effective one. It has muscle! Vitamin C is the common enzymatic cofactor in the production of collagen and a powerful reducer of free radicals. It fights and destroys them. There are many topical L-ascorbic products on the market.
How to use topical Vitamin C: AM is the ideal time for Vitamin C, since this is when cells need protection. Vitamin C remains active in your skin for up to 24 hours.
Courtesy: Nicci Leigh Love your skin