2-Phenyl Benzimidazole-5-Sulfonic Acid (PBSA) is an organic compound with excellent UV absorption properties, used primarily in sunscreens and personal care products. It offers broad-spectrum protection by absorbing UVA and UVB rays, making it an essential ingredient in cosmetic formulations. The compound's high photostability ensures lasting protection against UV radiation, which is why it is widely used in sunscreen and other skincare products.
2-Phenyl Benzimidazole-5-Sulfonic Acid (PBSA) is an organic compound with excellent UV absorption properties, used primarily in sunscreens and personal care products. It offers broad-spectrum protection by absorbing UVA and UVB rays, making it an essential ingredient in cosmetic formulations. The compound's high photostability ensures lasting protection against UV radiation, which is why it is widely used in sunscreen and other skincare products.
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Beauty & Personal Care
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UV Filter
Sunscreen Active Ingredient
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Included in Quote
Included in Quote
Included in Quote
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Chemical Properties & Specifications
Used in sunscreens and other personal care products as a UV filter.
Found in anti-aging and sun protection formulations.
Generally non-sensitizing and suitable for sensitive skin when used within recommended concentrations.
Suitable for oil-free formulations, ensuring a lightweight, non-greasy feel in personal care products.
PBSA provides broad-spectrum UV protection, has excellent water solubility, and is used in lotions, creams, and hybrid sunscreens.
PBSA is photostable but should be stored away from direct sunlight to prevent oxidative degradation.
It is approved in EU and Asian markets, with maximum allowable concentrations varying by region.
PBSA absorbs UVB radiation (280-320 nm) by undergoing an excitation-deexcitation cycle, where the absorbed energy is dissipated as harmless heat. This prevents skin damage and DNA mutation caused by UV exposure. Its sulfonic acid group enhances solubility, allowing efficient formulation in aqueous-based sunscreens.
PBSA is a highly effective UVB filter that provides broad-spectrum sun protection in personal care products. It is water-soluble, making it ideal for transparent, non-oily sunscreen formulations. PBSA is commonly used in lotions, creams, and gels due to its high photostability and compatibility with other organic and inorganic UV filters.
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