Butyl Resorcinol Bis-Succinoylphytosphingosine

INCI: BUTYL RESORCINOL BIS-SUCCINOYLPHYTOSPHINGOSINE

CAS Number
Not publicly registered (proprietary derivative)
Function
Skin conditioning; skin lightening (depigmenting agent — tyrosinase inhibitor via 4-butylresorcinol moiety)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
EU Max Conc. 1.25%
🇺🇸 US Status permitted
US Notes No published NOAEL for the conjugate form; margin of safety cannot be established

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Proprietary ingredient requiring full toxicological dossier from supplier for CPSR; patch testing recommended. If free resorcinol is released, Annex III concentration limits may apply.

⚠️
Concern Level: High

Frequently Asked Questions

Is Butyl Resorcinol Bis-Succinoylphytosphingosine safe in cosmetics?

Proprietary ingredient requiring full toxicological dossier from supplier for CPSR; patch testing recommended. If free resorcinol is released, Annex III concentration limits may apply. The EU classifies Butyl Resorcinol Bis-Succinoylphytosphingosine as "permitted". Safety rating: MODERATE.

Is Butyl Resorcinol Bis-Succinoylphytosphingosine allowed in the EU?

Butyl Resorcinol Bis-Succinoylphytosphingosine EU regulatory status: permitted. Maximum allowed concentration: 1.25%. This is based on EU Regulation 1223/2009 and its amendments.

What does Butyl Resorcinol Bis-Succinoylphytosphingosine do in cosmetics?

Butyl Resorcinol Bis-Succinoylphytosphingosine functions as: Skin conditioning; skin lightening (depigmenting agent — tyrosinase inhibitor via 4-butylresorcinol moiety). It is classified as a cosmetic ingredient in our database. CAS number: Not publicly registered (proprietary derivative).

What is the Margin of Safety for Butyl Resorcinol Bis-Succinoylphytosphingosine?

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.

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