hydroquinone
Noun
Meaning
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.
Source: Webster's dictionarySynonyms
Phrases with the word
Examples
Despite the controversy, it's abundantly clear is that hydroquinone is a well-researched ingredient, incredibly effective for its intended purpose, and that no other skin lightening ingredient compares to its effectiveness.
Besides this, hydroquinone has been linked to the development of increased exposure to UVA and UVB radiation.
Hydroquinone-induced ochronosis is a permanent skin discoloration that is thought to result from use of hydroquinone concentrations above 4%.
It is suitable for those who want long-term lightening without the risks that come with hydroquinone.
Once the hydroquinone has oxidized, it is no longer active and should be discarded.
In particular, over dryness (sometimes taking the form of dry, scaly patches), and hyperpigmentation, were tolerated much better by individuals who had previously used hydroquinone or tretinoin.