7-Dehydrocholesterol

INCI: 7-DEHYDROCHOLESTEROL

CAS Number
434-16-2
Function
Emulsion stabilising, Skin conditioning, Viscosity controlling
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR Final Report 2023 — safe as used in cosmetics

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

UV instability—degrades rapidly under UV exposure; must be stabilized in formulation; photoisomerization can generate unwanted vitamin D metabolites if not controlled

⚠️
Concern Level: Low

Frequently Asked Questions

Is 7-Dehydrocholesterol safe in cosmetics?

UV instability—degrades rapidly under UV exposure; must be stabilized in formulation; photoisomerization can generate unwanted vitamin D metabolites if not controlled The EU classifies 7-Dehydrocholesterol as "permitted". Safety rating: GOOD.

Is 7-Dehydrocholesterol allowed in the EU?

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

What does 7-Dehydrocholesterol do in cosmetics?

7-Dehydrocholesterol functions as: Emulsion stabilising, Skin conditioning, Viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 434-16-2.

What is the Margin of Safety for 7-Dehydrocholesterol?

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.

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