Glytone Clarifying SunVanish
Generic name: hydroquinone
Dosage form: cream
Drug class:Topical depigmenting agents
Medically reviewed by Drugs.com. Last updated on Apr 21, 2022.
Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. For further information about unapproved drugs, click here.
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Glytone SunVanish
HYDROQUINONE USP, 4%
Skin Lightening Cream
with Broad Spectrum SPF 25
Rx Only
FOR EXTERNAL USE ONLY
NOT FOR OPHTHALMIC USE
I. DESCRIPTION
Each gram of Glytone SunVanish (Hydroquinone USP, 4%) Skin Lightening Cream with Broad Spectrum SPF 25 contains 40 mg of Hydroquinone USP with 20 mg of Avobenzone, 75 mg of Octinoxate, 18.6 mg of Octocrylene, and 50 mg Oxybenzone in a cream base of Cetearyl Alcohol, Glycerin, Edetate Disodium, Isopropyl Palmitate, Propylene Glycol, Purified Water, Sodium Lauryl Sulfate, Sodium Metabisulfite, and Sorbic Acid. The chemical name for hydroquinone is: 1,4-benzenediol. The molecular formula is C 6H 6O 2 and molecular weight is 110.11. Hydroquinone has the following structural formula:

II. CLINICAL PHARMACOLOGY
Topical application of hydroquinone produces a reversible depigmentation of the skin by inhibition of the enzymatic oxidation of tyrosine to 3, 4-dihydroxyphenylalanine (dopa) and suppression of other melanocyte metabolic processes. Exposure to sunlight or ultraviolet light will cause repigmentation which may be prevented by the broad spectrum sunscreen agents contained in SunVanish.
III. INDICATIONS AND USAGE
Glytone SunVanish is indicated for the gradual lightening of hyperpigmented skin conditions such as chloasma, melasma, freckles, senile lentigines, and other unwanted areas of melanin hype...