Hydroquinone(HQ) is a kind of Antioxidants.
Hydroquinone(HQ) is Generally applied for photograph, dye, pesticide rubber, chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant, analyse chemical reagent and so on.
Hydroquinone (HQ) is also used to fade dark spots on the skin.There are approximately 200 products containing HQ available, ranging in strengths from 0.4% to 5%. About two-thirds are marketed as over-the-counter drugs by over 65 different companies. Products containing HQ in percentages higher than 2 are generally sold by prescription. The FDA is now threating to ban products containing HQ suggesting there is significant new data showing evidence of carcinogenicity in lab animals.
Molecular Formual : 1,4-C6H4(OH)2
Molecular weight : 110.12 (According to the international atomic weight of 1987)
Specification : Content: 99% - 101%
Read more: http://www.cosmetic-ingredient.com/
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