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

One thought on “Sunscreen Ingredient: Sulisobenzone

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s