Due to natural ageing and other lifestyle changes, collagen levels in skin become low. Vitamin C is an inevitable key ingredient in the anti-ageing product range because it encourages new collagen to grow. Vitamin C or ascorbic acid is full of antioxidants. Every skin type can benefit from this active ingredient. Ascorbic acid works great for skin whitening For dry skin, it aids in reducing dryness by maintaining moisture levels in the skin. For oily or acne- prone skin, it helps in reducing the dark spots caused by pimples and acne.