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  2. Vitamin C - Wikipedia

    en.wikipedia.org/wiki/Vitamin_C

    Vitamin C is an essential nutrient involved in the repair of tissue, the formation of collagen, and the enzymatic production of certain neurotransmitters. It is required for the functioning of several enzymes and is important for immune system function. [6] It also functions as an antioxidant.

  3. Intravenous ascorbic acid - Wikipedia

    en.wikipedia.org/wiki/Intravenous_ascorbic_acid

    Alternative medicine. Intravenous Ascorbic Acid or PAA, pharmacologic ascorbic acid [1] (also known as vitamin C or L-ascorbic acid ), is a process that delivers soluble ascorbic acid directly into the bloodstream. It is not approved for use to treat any medical condition.

  4. Skin whitening - Wikipedia

    en.wikipedia.org/wiki/Skin_whitening

    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. Several chemicals have been shown to be effective in skin whitening, while some have proven to be toxic or have ...

  5. Dehydroascorbic acid - Wikipedia

    en.wikipedia.org/wiki/Dehydroascorbic_acid

    Dehydroascorbic acid (DHA) is an oxidized form of ascorbic acid (vitamin C). It is actively imported into the endoplasmic reticulum of cells via glucose transporters. [1] It is trapped therein by reduction back to ascorbic acid by glutathione and other thiols. [2] The (free) chemical radical semidehydroascorbic acid (SDA) also belongs to the ...

  6. Vitamin C megadosage - Wikipedia

    en.wikipedia.org/wiki/Vitamin_C_megadosage

    e. Vitamin C megadosage is a term describing the consumption or injection of vitamin C (ascorbic acid) in doses well beyond the current United States Recommended Dietary Allowance of 90 milligrams per day, and often well beyond the tolerable upper intake level of 2,000 milligrams per day. [1] There is no strong scientific evidence that vitamin ...

  7. Tretinoin - Wikipedia

    en.wikipedia.org/wiki/Tretinoin

    Tretinoin, also known as all-trans retinoic acid (ATRA), is a medication used for the treatment of acne and acute promyelocytic leukemia. [8][9][10] For acne, it is applied to the skin as a cream, gel or ointment. [10]