Sunscreen Ingredient: Mexoryl SX

  • Other names:
    • Ecamsule
    • Terephthalylidine dicamphor sulfonic acid
  • FDA Approval: Limited
  • Blocks UVA: Yes
  • Blocks UVB: No
  • Photo-stable: Yes

Interactions with Other ingredients:

Synergistic effect in protection when used with mexoryl LX; acidic and needs to be neutralized, usually with triethanolamine in sunscreen formulations.

Safety Concerns:

Considered safe due to low percutaneous absorption- less than 0.16% penetrated the skin of human volunteers. There has been no evidence of hormone disruption and skin allergy is rare.

Cosdna Rating: 0 for comedogenesis, 0 for irritation

Beautypedia Rating: Best

EWG Rating: 2

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