Tococysteamide

INCI: TOCOCYSTEAMIDE

CAS Number
Not publicly available in major cosmetic databases
Function
Antioxidant, Skin Conditioning (tocopherol-cysteamine conjugate — combines vitamin E with cysteamine moiety)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not specifically regulated; falls under general cosmetic ingredient provisions

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Data gap — novel ingredient with minimal independent safety assessment; cysteamine component warrants caution (thiol reactivity, potential for oxidative byproducts); no published MoS

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Tococysteamide safe in cosmetics?

Data gap — novel ingredient with minimal independent safety assessment; cysteamine component warrants caution (thiol reactivity, potential for oxidative byproducts); no published MoS The EU classifies Tococysteamide as "permitted". Safety rating: MODERATE.

Is Tococysteamide allowed in the EU?

Tococysteamide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tococysteamide do in cosmetics?

Tococysteamide functions as: Antioxidant, Skin Conditioning (tocopherol-cysteamine conjugate — combines vitamin E with cysteamine moiety). It is classified as a cosmetic ingredient in our database. CAS number: Not publicly available in major cosmetic databases.

What is the Margin of Safety for Tococysteamide?

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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