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“This causes premature signs of aging like discoloration and wrinkles,” says Dr. Gonzalez. Niacinamide has antioxidant properties that can protect skin from this damage or even reverse some of it.
“Signs that scalp scabs may be related to an infection or underlying health condition include persistent itch, redness, pus, hair loss, or lack of response to over-the-counter treatments ...
Some are available without prescription, such as niacinamide, [15] [16] l-ascorbic acid, [citation needed] retinoids such as tretinoin, [17] or cysteamine hydrochloride. [ 18 ] [ 19 ] Hydroquinone was the most commonly prescribed hyperpigmentation treatment before the long-term safety concerns were raised, [ 20 ] and the use of it became more ...
Years of scraping your hair back into a slick ponytail could cause traction alopecia. Stress. That includes everything from emotional stress from traumatic life events to physical stress from ...
The area of skin involved can vary from small to covering the entire body. [1] [2] Dermatitis is also called eczema but the same term is often used for the most common type of skin inflammation, atopic dermatitis. [7] The exact cause of the condition is often unclear. [2] Cases may involve a combination of allergy and poor venous return. [1]
Itchy, burning skin: Irritant contact dermatitis tends to be more painful than itchy, while allergic contact dermatitis often itches. The surface appearance of skin: Skin is dry and fissured in the irritant contact dermatitis whereas vesicles and bullae are seen in allergic contact dermatitis.
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Gastroenterostomy can also cause pellagra. [10] Chronic alcoholism can also cause poor absorption, which combined with a diet already low in niacin and tryptophan produces pellagra. [10] Hartnup disease is a genetic disorder that reduces tryptophan absorption, leading to pellagra. Alterations in protein metabolism may also produce pellagra-like ...