hydroquinone वाक्य
उदाहरण वाक्य
मोबाइल
- Kojic acid was developed as a safer alternative to hydroquinone, however it is less effective at lightening and also carcinogenic.
- Hydroquinone does not bleach the skin but lightens it, and can only disrupt the synthesis and production of melanin hyperpigmentation.
- Products containing more than two per cent hydroquinone have been scheduled as Part 1 Group C Poisons under the Poisons Act 1952.
- The beetles'glands store enough hydroquinone and hydrogen peroxide to allow the beetle to release its chemical spray roughly 20 times.
- Normally, it is supplied with 1-2 % of the hydroquinone as an additive to prevent oxidation of the compound.
- Hydroquinone is the active ingredient commonly found in skin whiteners used for removing dark spots on the face or to produce lighter complexion.
- However, the staining effect only appears in solutions with very little sulfite, and most hydroquinone developers contain substantial quantities of sulfite.
- Because COT is unstable and easily forms explosive organic peroxides, a small amount of hydroquinone is usually added to commercially available material.
- Impure samples are often dark-colored due to the presence of quinhydrone ( 1 : 1 complex of quinone with hydroquinone ).
- Hydroquinone is a strong inhibitor of melanin production, meaning that it prevents dark skin from making the substance responsible for skin color.
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