All-trans Retinol CAS NO.68-26-8

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Vitamin A1 is a group of unsaturated nutritional organic compounds, which includes retinol, retinal, retinoic acid, several provitamin A carotenoids, and beta-carotene. Vitamin A1 is important for growth and development, the maintenance of the immune system, and good vision. Vitamin A1 is needed by the retina of the eye in the form of retinal, which combines with protein opsin to form rhodopsin, the light-absorbing molecule necessary for both low-light (scotopic vision) and color vision. Vitamin A1 also functions in a very different role as retinoic acid (an irreversibly oxidized form of retinol), which is an important hormone-like growth factor for epithelial and other cells. It has the functions of removing wrinkles, whitening and removing freckles, anti-aging, skin rejuvenation, acne removal, anti-oxidation, anti-ultraviolet, sunblock injury, anti-inflammatory and antibacterial, soothing and repairing, treating skin photoaging and rosacea.