Sodium carbonate (also known as washing soda, soda ash and soda crystals), Na 2 CO 3, is the water-soluble sodium salt of carbonic acid.
7. Improves Skin Function. Niacin helps protect skin cells from sun damage, whether it's used orally or applied to the skin in lotions . And recent research suggests it may help prevent some types of skin cancer . A 2015 study found that taking 500 mg of nicotinamide (a form of niacin) twice daily reduced rates of non-melanoma skin cancer among people at a high risk of skin cancer .
Healthy Skin and Niacin. Niacin can help keep skin healthy and is used for a variety of skin problems, including inflammation, acne, rosacea, dull skin tone and sagging skin. Regular use can help reduce these problems. Niacin also helps the skin with moisture retention and aids skinâs elasticity and tone.