TEA-Stearate

INCI: TEA-STEARATE

CAS Number
4568-28-9
Function
Surfactant – Cleansing, Emulsifying Agent, Skin Conditioning
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status restricted
EU Max Conc. 2.5%
🇺🇸 US Status permitted
US Notes CIR: Safe as used — ≤15% in leave-on products; brief-use rinse-off safe at current practices

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

Nitrosamine formation risk; do not use with N-nitrosating agents; DEA impurity must be controlled; should not be used in products where N-nitroso compounds may form

⚠️
Concern Level: Low

Frequently Asked Questions

Is TEA-Stearate safe in cosmetics?

Nitrosamine formation risk; do not use with N-nitrosating agents; DEA impurity must be controlled; should not be used in products where N-nitroso compounds may form The EU classifies TEA-Stearate as "restricted". Safety rating: GOOD.

Is TEA-Stearate allowed in the EU?

TEA-Stearate EU regulatory status: restricted. Maximum allowed concentration: 2.5%. This is based on EU Regulation 1223/2009 and its amendments.

What does TEA-Stearate do in cosmetics?

TEA-Stearate functions as: Surfactant – Cleansing, Emulsifying Agent, Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 4568-28-9.

What is the Margin of Safety for TEA-Stearate?

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.

📱

Is TEA-Stearate in Your Products?

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

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for TEA-Stearate in your formulation.