Cinoxate is an organic UVB sunscreen filter used to absorb burning UVB rays.
Cinoxate·CAS 104-28-9
What it is
Cinoxate is a cinnamate-type organic filter that absorbs UVB radiation. It is one of the older approved sunscreen actives and is used as part of a filter blend, with UVA filters added for full protection.
Spectrum coverage
UVB
UVA-I340–400nm—UVA-I (340–400nm) — not coveredUVA-II320–340nm—UVA-II (320–340nm) — not coveredUVB290–320nm✓UVB (290–320nm) — covered
Regional approval · max %
JP ——Japan: No data KR ——South Korea: No data EU ——Europe: No data US ✓3%United States: Approved · Max 3%
Safety & warnings
An older UVB filter that is used relatively infrequently in modern formulas.
Reef-toxic
No
Endocrine disruptor
No
Comedogenicity
0
Origin & sourcing
Synthetic organic UV filter.
Questions everyone asks
What does cinoxate protect against?
It absorbs UVB, the rays most associated with sunburn, and is paired with UVA filters.
Is it a modern filter?
It is one of the older approved UVB filters and is less common in newer sunscreens.
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