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Niacinamide, or vitamin B3, is a skincare ingredient that can battle wrinkles, reduce redness, and refine skin's texture. These serums contain the ingredient and are recommended by dermatologists.
Nicotinamide (INN, BAN UK [2]) or niacinamide (USAN US) is a form of vitamin B 3 found in food and used as a dietary supplement and medication. [ 3 ] [ 4 ] [ 5 ] As a supplement, it is used orally (swallowed by mouth) to prevent and treat pellagra (niacin deficiency). [ 4 ]
"A salicylic acid shampoo can help break up the scales and minimize flaking," says Dr. Thosani. Because salicylic acid breaks down oil, it can help regulate the amount of sebum produced by the scalp.
The irritation and flakiness can cause a secondary set of symptoms—such as post-inflammatory hyperpigmentation and skin lightening, which are both common problems in patients with deeper skin tones.
Hyperpigmentation can be diffuse or focal, affecting such areas as the face and the back of the hands. Melanin is produced by melanocytes at the lower layer of the epidermis . Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair.
Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin.