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Identity Profile: Ensulizole

Commonly known as: PARSOL® HS.

I.N.C.I. list name: Phenylbenzimidazole Sulfonic Acid.

Extraction process: Biotechnology.

Source: Synthetic.

Botanical name: /

Family: /

Part of the plant extracted: /

Provenance, origin: China.

Chemical characteristics: Peak absorption at 306 nm; Molecular weight: 274.3 g/mol; Density: 1.62 g/cm3; Soluble in water; Excellent photostability profile.

Characteristics: Emulsion, gel, true aqueous solution.

Dosage required in cosmetic products: Maximum concentration allowed by European legislation: 8%.

Function: Stabilizing agent, UV absorber, UV filter.

Properties: Photoprotective.

Benefits: All skin types.

Details

Property

Photoprotective: Provides UVB protection when applied topically, operating through a mechanism of UV light absorption, thereby preventing the formation of free radicals induced by the sun's rays.

Applications

Facial Care (moisturizing creams with SPF, sun sprays, sun creams/gels/lotions);
Body Care (sun care products).

Method of Preservation

Store in a location with a temperature below 86°F, protected from moisture, heat, and light.

Contraindications, Usage Precautions

Ensulizole is safe for its intended use.

Find out more

Ensulizole is a chemical UVB protective agent, which only provides minimal protection against UVA. For better UVA protection, it needs to be combined with avobenzone, titanium dioxide, or zinc oxide.