What it is
Ensulizole is one of the few water-soluble organic sunscreen agents. Because it dissolves in the water phase, it lends a light, dry, non-oily feel and is often used in fluid lotions and gels. It primarily absorbs UVB radiation.
Spectrum coverage
UVB
Regional approval · max %
JP ✓ 3% Japan: Approved · Max 3% KR ✓ 4% South Korea: Approved · Max 4% EU ✓ 8% Europe: Approved · Max 8% US ✓ 4% United States: Approved · Max 4%
Safety & warnings
A long-used filter generally regarded as well tolerated; as a UVB-focused filter it is paired with UVA filters for broad-spectrum protection.
Reef-toxic
No
Endocrine disruptor
No
Comedogenicity
0
Origin & sourcing
Synthetic organic UV filter.
Questions everyone asks
What makes ensulizole different from other filters?
It is water-soluble, so it gives a light, non-greasy feel and suits fluid, watery sunscreens.
What UV range does it cover?
Mainly UVB, so it is combined with UVA filters for broad-spectrum protection.