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The basic structure of the hydrophobic retinoid molecule consists of a cyclic end group, a polyene side chain and a polar end group. The conjugated system formed by alternating C=C double bonds in the polyene side chain are responsible for the color of retinoids (typically yellow, orange, or red).
Retinoids are vitamin A derivatives that help regulate skin cell turnover, Carolyn Stull, M.D., board-certified dermatologist previously explained. However, Dr. Stull noted that there are many ...
“Retinoids vary in strength, with prescription-strength retinoids being the strongest and fastest acting but causing more skin irritation than over-the-counter retinol products,” says Henry.
This new league of powerful formulas clear acne, fade dullness, and fight acne
Retinol, also called vitamin A 1, is a fat-soluble vitamin in the vitamin A family that is found in food and used as a dietary supplement. [3] Retinol or other forms of vitamin A are needed for vision, cellular development, maintenance of skin and mucous membranes, immune function and reproductive development. [3]
Fenretinide (N-(4-hydroxyphenyl)retinamide; 4-HPR) is a synthetic retinoid derivative. Retinoids are substances related to vitamin A. It has been investigated for potential use in the treatment of cancer, as well as in the treatment of cystic fibrosis, [1] rheumatoid arthritis, acne, psoriasis, and has been found to also slow the production and accumulation of a toxin that leads to vision loss ...