Ensulizole

INCI: Phenylbenzimidazole Sulfonic Acid

Water-soluble UVB filter with a light texture. Suits fluids and sprays, gives a non-greasy finish and does not clog pores.

Evidence by route

Topical application

Weak evidence. In vitro data, open-label studies, or expert consensus.

Convenient filter for light sunscreens, but it only covers UVB. Works in a pair with a UVA filter, otherwise the spectrum stays incomplete.

Irritation potential

Low

Allergen risk

Low

Pregnancy

Caution

Suitable for

OilyCombinationNormal

Is Ensulizole safe during pregnancy?

Ensulizole should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.

What skin types is Ensulizole for?

Ensulizole suits: oily, combination, normal.

What is Ensulizole and what does it do in cosmetics?

Water-soluble UVB filter with a light texture.

What's the INCI name for Ensulizole?

The INCI name is Phenylbenzimidazole Sulfonic Acid. It may also appear as: 2-Phenylbenzimidazole-5-Sulfonic Acid.

Published: April 14, 2026 · updated: April 22, 2026