Ascorbic acid or Vitamin C is a skin brightening powerhouse and one of the most researched, science-backed ingredients in skin care. As well as impressive skin brightening, it is a potent antioxidant. It is required for your skin to make collagen, itself a structural protein that supports skin, keeping it smooth and firm. Vitamin C boosts the production of skin lipids that are so essential for maintaining moisture levels, suppleness and for strengthening the barrier.

Ascorbic acid is the most biologically active form of Vitamin C, while some of its derivatives include ascorbyl glucoside and ascorbyl palmitate.