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  2. Hydroquinone - Wikipedia

    en.wikipedia.org/wiki/Hydroquinone

    Hydroquinone, also known as benzene-1,4-diol or quinol, is an aromatic organic compound that is a type of phenol, a derivative of benzene, having the chemical formula C 6 H 4 (OH) 2. It has two hydroxyl groups bonded to a benzene ring in a para position.

  3. Arbutin - Wikipedia

    en.wikipedia.org/wiki/Arbutin

    Arbutin is glucosylated hydroquinone, [13] and may carry similar cancer risks, [14] [unreliable source?] although there are also claims that arbutin reduces cancer risk. [15] The German Institute of Food Research in Potsdam found that intestinal bacteria can transform arbutin into hydroquinone, which creates an environment favorable for ...

  4. Quinone - Wikipedia

    en.wikipedia.org/wiki/Quinone

    Hydroquinone is used to reduce the activated silver ions to metallic silver. During this process, hydroquinone is oxidized to quinone. All silver halide not activated by light or reduced by hydroquinone is removed, leaving a negative by deposited silver where the film had been struck by light.

  5. Bombardier beetle - Wikipedia

    en.wikipedia.org/wiki/Bombardier_beetle

    The beetles' glands store enough hydroquinone and hydrogen peroxide to allow the beetle to release its chemical spray roughly 20 times. In some cases this is enough to kill a predator. [ 6 ] The main component of the beetle spray is 1,4-benzoquinone, an irritant to the eyes and the respiratory system of vertebrates.

  6. NAD(P)H dehydrogenase (quinone 1) - Wikipedia

    en.wikipedia.org/wiki/NAD(P)H_dehydrogenase...

    NAD(P)H dehydrogenase [quinone] 1 is an enzyme that in humans is encoded by the NQO1 gene. [5] This protein-coding gene is a member of the NAD(P)H dehydrogenase (quinone) family and encodes a 2-electron reductase (enzyme). This FAD-binding protein forms homodimers and performs two-electron reduction of quinones to hydroquinones and of other ...

  7. Avarol - Wikipedia

    en.wikipedia.org/wiki/Avarol

    Avarol is a hydroquinone first isolated from the Mediterranean marine sponge Dysidea avara 1974 [1] Avarol represented the first sesquiterpenoid with a rearranged drimane skeleton and its structure was established by standard analytical methods, chemical degradation and later by stereocontrolled synthesis.

  8. The best benzoyl peroxide products, according to ... - AOL

    www.aol.com/news/best-benzoyl-peroxide-products...

    Benzoyl peroxide is a common acne-fighting ingredient found in a variety of skin care products. Shop cleansers, treatments and more from brands like Cerave and La Roche Posay.

  9. Ochronosis - Wikipedia

    en.wikipedia.org/wiki/Ochronosis

    Hydroquinone is the compound most frequently used in skin-whitening products. Due to concerns about its side effects, it was almost banned by the FDA in 2006, as medical issues of carcinogenicity and reports of disfiguring ochronosis existed. [10] In the European Union hydroquinone has been banned in cosmetic creams since 2000. [11]

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