INCI · sunscreen · CIR review pending · used in 1 products
Diethylhexyl Syringylidenemalonate
Diethylhexyl Syringylidenemalonate (DESM) is a helper ingredient with photostabilizer properties, identified by CAS# 444811-29-4. It is used in sunscreen formulations to stabilize unstable UV filters, most notably the UVA filter avobenzone. It is also employed in color-protecting products to prevent color change over time.
Evidence level
moderateEWG score
—Comedogenic
—Category
sunscreen● Benefits
DESM can stabilize unstable sunscreen agents such as avobenzone, helping to maintain UVA protection over time. It can increase the critical wavelength in sunscreens, indicating broader UVA coverage, and has been shown to boost SPF by approximately 5 units in high-SPF products.
photostabilizinguva-protectionspf-boostingcolor-protecting
● Cautions
