But vitamin C is one of those actually necessary ingredients. The antioxidant promises to do everything from fading dark marks to fighting free radicals (which break down collagen) to diminishing ...

Vitamin C is a powerful ingredient for skincare especially in winter Learn how it can brighten hydrate and protect your skin ...

Retinoids are prescription-strength skincare products derived from vitamin C. They're commonly used to treat signs of aging, ...

Some supplements are formulated with these nutrients to support hair growth, strength, and thickness ... important for healthy hair, like zinc, vitamin C, B vitamins, vitamin D, and iron.