Sunscreen Ingredient: Sulisobenzone

  • Other names:
    • benzophenone-4
    • BP4
    • Uvinul MS 40
    • 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
  • FDA Approval: Up to 10%
  • Blocks UVA: Limited
  • Blocks UVB: Yes
  • Photo-stable: Yes

UV Spectrum:

uvinul ms 40

 

Interactions with Other ingredients:

Usually formulated with a neutralizing agent (such as Sodium Hydroxide, Triethanolamin, Tromethamine, Tetrahydroxypropyl Ethylenediamine). If product is overly neutralized (pH 9) the absorption curve shifts towards shorter wavelengths.

Helps stabilize other UV filters.

Safety Concerns:

Safe to use in quantities approved by the FDA. Absorbed into skin.

Cosdna Rating: 0 for comedogenesis, 0 for irritation

Beautypedia RatingN/A

EWG Rating: 3

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