Eastman Hydroquinone is a high-purity chemical compound primarily used as a skin-bleaching/depigmentation agent in cosmetics, and as a polymerization inhibitor and stabilizer in industrial applications.
*Its primary uses differ based on the specific grade:*
1. *USP Grade (Skincare & Pharmaceuticals)*
* Skin Lightening: Used in creams, lotions, and gels to lighten dark areas on the skin (hyperpigmentation).
* Treats Pigmentation: Effectively fades melasma, age spots, freckles, and acne scars by inhibiting the enzyme (tyrosinase) that produces melanin.
2. *Photographic & Industrial Grades*
* Paints & Coatings: Functions as an anti-skinning agent in paints, which prevents skin/film from forming on the surface during the drying process.
* Chemical Stabilizer: