- INCI Name:Homosalate
- Functions:Protective Agent, UV Filter
- Labeling Claims:Clean at Sephora, Ulta Beauty's Conscious Beauty
- Benefit Claims:UV Protection, Sun Protection
iSun HMS is an organic compound used in some sunscreens. It is an ester formed from salicylic acid and 3,3,5-trimethylcyclohexanol, a derivative of cyclohexanol. Contained in 45% of U.S. sunscreens, it is used as a chemical UV filters.