What it is
A salicylate-based UVB filter, a clear oil with a mild odour.
What it does
Absorbs UVB and stabilises other UV filters in sunscreen formulas.
Why it’s a concern
The EU SCCS 2021 opinion concluded homosalate at current use levels (up to 10% in leave-on products) is not safe due to endocrine activity, and recommended lowering the limit to 0.5% in facial products. It was also absorbed above FDA MUsT thresholds in the 2020 JAMA study.
Also known as
HMShomomenthyl salicylate
CAS numbers
118-56-9
Commonly found in
sunscreenspf moisturiser
Safer alternatives
- non-nano zinc oxide
- non-nano titanium dioxide
Sources
- SCCS Opinion SCCS/1622/20
- Matta et al. 2020