Benzylidene Camphor Sulfonic Acid

INCI: BENZYLIDENE CAMPHOR SULFONIC ACID

CAS Number
56039-58-8
Function
UV filter (broadband UVB + UVA absorber), UV absorber, light stabilizer
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
EU Max Conc. 6%
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Not approved by FDA as an OTC sunscreen active. Cannot be used as UV filter in US-marketed sunscreen drug products. May appear in non-SPF cosmetics at manufacturer's risk

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Not FDA-approved for sunscreen use in US-marketed products. Potential endocrine activity flagged in some in-vitro studies; SCCS concluded acceptable at current EU use levels of 6%. Ensure combination with other UV filters does not exceed aggregate exposure limits.

โš ๏ธ
Concern Level: Moderate

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is Benzylidene Camphor Sulfonic Acid safe in cosmetics?

Not FDA-approved for sunscreen use in US-marketed products. Potential endocrine activity flagged in some in-vitro studies; SCCS concluded acceptable at current EU use levels of 6%. Ensure combination with other UV filters does not exceed aggregate exposure limits. The EU classifies Benzylidene Camphor Sulfonic Acid as "permitted". Safety rating: EXCELLENT.

Is Benzylidene Camphor Sulfonic Acid allowed in the EU?

Benzylidene Camphor Sulfonic Acid EU regulatory status: permitted. Maximum allowed concentration: 6%. This is based on EU Regulation 1223/2009 and its amendments.

What does Benzylidene Camphor Sulfonic Acid do in cosmetics?

Benzylidene Camphor Sulfonic Acid functions as: UV filter (broadband UVB + UVA absorber), UV absorber, light stabilizer. It is classified as a cosmetic ingredient in our database. CAS number: 56039-58-8.

What is the Margin of Safety for Benzylidene Camphor Sulfonic Acid?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

๐Ÿ“ฑ

Is Benzylidene Camphor Sulfonic Acid in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Benzylidene Camphor Sulfonic Acid in your formulation.