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Common Name(s): Polyacrylamidomethyl benzylidene camphor,polyacrylamidomethyl benzylidene camphor,uv filter cosmetic sunscreen,photoprotection active

CAS Number: N/a

DESCRIPTION

What It Does: Absorbs uv radiation in the 280-400 nm range and dissipates the energy as heat, preventing uv-induced skin dna damage, photocarcinogenesis, premature photoageing, and formulation ingredient photodegradation.

Why It's Used: Uv filters provide the primary active protection in sunscreens โ€” the uv absorbing chromophore intercepts photons before they reach viable skin cells, preventing the thymine dimer formation and oxidative dna damage that leads to photocarcinogenesis and photoageing.

How It Works: Camphor-derived uv filters absorb uva radiation through the conjugated enone chromophore (camphor c=c-c=o system). the benzylidene or alkyl substituents extend conjugation red-shifting absorption toward uva-i (340-400 nm).

Typically Found In: Sunscreens,uv protective products

TECHNICAL DETAILS

Primary Category: Active ingredient โ€“ cosmetic active

Secondary Functions: Skin conditioning

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: Per annex vi maximum

SOURCING & ETHICS

Vegan Status: Conditional - supplier confirmation required

Halal Status: Unverified - supplier confirmation required

Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier. [audit 2026-07-29 rev2: the record's own source_notes does not assert a non-animal origin, or instructs the reader to verify with the supplier; "yes" asserts knowledge the record does not hold. determination requires shariah-panel sign-off.]

SKIN COMPATIBILITY

Irritancy Rating: 1/5 โ€“ very low

Comedogenicity Rating: 0/5 โ€“ non-comedogenic

Sensitivity Concerns: Well-tolerated by most skin types.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Good safety profile at recommended concentrations. ewg score: 1โ€“2.

Works Well With: Standard skincare actives

Avoid Combining With: No known significant incompatibilities

SCIENTIFIC NOTE

Benzylidene camphor sulfonic acid is an approved eu uv filter (annex vi) as a water-soluble uva filter. benzophenone-5 provides water-soluble benzophenone uva protection. verify current annex vi concentration limits.

Last Verified: 2026-03-22

Primary Sources: Eu regulation 1223/2009 annex vi,polyacrylamidomethyl benzylidene camphor uv filter review