from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white crystalline compound, C6H4(OH)2, used as a photographic developer, an antioxidant, a stabilizer, and a reagent.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The diphenol para-dihydroxy benzene, used as a mild reducing agent in photographic developing; isomeric with catechol and resorcinol.
from the GNU version of the Collaborative International Dictionary of English
- n. A white crystalline substance, C6H4(OH)2, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Called also dihydroxy benzene.
from The Century Dictionary and Cyclopedia
- n. A divalent phenol (C6H4 (OH)2) prepared by the oxidation of aniline and treatment of the quinol formed with sulphurous acid.
Nail salons overflow with potent toxins; the women who work in them are overwhelmingly nonwhite, often Asian, with an average age of thirty-eight—which means many are of childbearing age.125 The skin-whitening products so popular in Asia frequently contain a carcinogen called hydroquinone, as well as the heavy metals chromium and mercury.126 And the hair relaxers aggressively marketed to African-American women are very toxic.
It turns out this kind of hydroquinone discussions are actually
A: Superficial chemical peels or using a topical lightening agent such as hydroquinone, retinoid, AHA, glycolic acid, etc, are other ways to treat your condition.
Then by a miracle, the beetle develops the ability to produce hydroquinone and hydrogen peroxide and mix them in his combustion chamber.
These liquids together form a very concentrated mixture of 10 percent hydroquinone and 28 percent hydrogen peroxide.
On top of that it must produce three highly concentrated chemicals: hydroquinone, hydrogen peroxide, and a catalyst.
Dermatologists typically prescribe products containing hydroquinone to make the melanocytes dormant.
Using a 2.5% concentration of Actiwhite over a six-week period has effects similar to those of hydroquinone, but without causing sensitivity or irritation to the skin.
Hydroquinone in skin lightening and face creams: Banned in the European Union but legal in the United States, hydroquinone is a suspected carcinogen.
_Mercury and hydroquinone in cosmetics (soaps and creams) _Nitrates and nitrites in meat processing and preservation of tin foods.