Regulatory Status
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Safety Data
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Expert Verdict
MAJOR: Photoallergy, contact sensitization, and endocrine disruption concerns. Butyl PABA may alter thyroid activity and shows cross-reactivity with sulfonamides, thiazide diuretics, and certain hair dyes. Virtually obsolete in modern formulations and not recommended for new product development.
Regulatory Flags
Frequently Asked Questions
Is Butyl PABA safe in cosmetics?
MAJOR: Photoallergy, contact sensitization, and endocrine disruption concerns. Butyl PABA may alter thyroid activity and shows cross-reactivity with sulfonamides, thiazide diuretics, and certain hair dyes. Virtually obsolete in modern formulations and not recommended for new product development. The EU classifies Butyl PABA as "restricted". Safety rating: POOR.
Is Butyl PABA allowed in the EU?
Butyl PABA EU regulatory status: restricted. Maximum allowed concentration: 5%. This is based on EU Regulation 1223/2009 and its amendments.
What does Butyl PABA do in cosmetics?
Butyl PABA functions as: UV absorber / UV filter. It is classified as a cosmetic ingredient in our database. CAS number: 94-25-7.
What is the Margin of Safety for Butyl PABA?
not established 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.
Compliance Tools
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Related Ingredients
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