- INCI Name:Trimethoxybenzylidene Pentanedione
- Functions:Chelating Agent, Stabilizer, Protective Agent
- Ingredient Origin:Synthetic
- Labeling Claims:Ulta Beauty's Conscious Beauty
- Certifications & Compliance:EFISC, Halal, EU Compliant, Kosher
- Benefit Claims:SPF Enhancement, Photostability
Synoxyl® HSS is a photostabilizer and SPF booster. It is an excellent photostabiliser for Avobenzone, and it functions as a triplet state quencher. It provides in-vivo SPF boosting by 50% for both organic and inorganic sunscreens when alone it has no contribution to SPF.