| Oxybenzone |
| Description: Solid oil soluble UVA/UVB sunscreen. Aromatic ketone (synonyms: 2-hydroxy-4-methoxybenzophenone, benzophenone-3). Pale yellow crystalline powder, weak rose-like odor. Water-insoluble, soluble in alcohol & oil. |
| CAS: 131-57-7 |
| INCI Name: Benzophenone-3 |
| Composition: Benzophenone-3 |
| Purity Grade: No purity grade applicable |
| Appearance: Pale yellow crystalline powder, weak rose-like odor |
| Benefits: . UVA and UVB filter (primarily UVB but also UVA) . Enhances activity of other sunscreens (e.g. homosalate, octyl salicylate, OM-cinnamate, octinoxate) . Protects polymers and organic substances in cosmetic products . Stabilizes complex formulations and color cosmetics |
| Use: Incorporate into oil phase. Allowed use levels in the USA: up to 6% alone and 2-6% when used in combination with other sunscreen actives. Allowed levels in other countries: EU 10%, Japan 5%. For external use only. |
| Applications: Sun care products (incl. baby sun care), color cosmetics with sun protection, various cosmetics & fragrances for product protection. |
| Solubility: Water-insoluble, soluble in alcohol & oil |
| Preservation: Preservative-free |
| Manufacture: Oxybenzone is produced synthetically by the reaction of benzoyl chloride with 3-hydroxyanisole. The product is then recrystallized from water/methanol and dried. |
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