Also known as Vitamin B3 What is Niacinamide? Niacinamide is a water soluble-form of vitamin B3 that has many benefits suited to any and all skin and hair types. Niacinamide benefits Niacinamide is an antioxidant and anti-inflammatory ingredient. It can help brighten and refresh skin and hair by helping to retain moisture. It can also help regulate oil for more refreshed and balanced-feeling scalp and skin. Niacinamide for hair Niacinamide has a vital role in growing long and strong hair due to its circulation boosting properties. It enhances the appearance and feel of hair, by increasing body, suppleness, sheen. It also improves the texture of hair that has been physically/chemically damaged by helping to build Keratin. It also enhances the appearance of dry or damaged skin on the scalp by reducing flaking and restoring suppleness.