Rheology Modifier

7-Dehydrocholesterol

INCI: 7-DEHYDROCHOLESTEROL
CAS 434-16-2 EC 207-100-5
Cholesta-5,7-dien-3(beta)-ol
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Cholesta-5,7-dien-3(beta)-ol

Purpose

Function

Emulsion stabilising, Skin conditioning, Viscosity controlling
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
Absorptionmoderate
Sensitizationlow
MoSadequate
ConcernLow
Verdict

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

US Note

CIR Final Report 2023 — safe as used in cosmetics

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
434-16-2
EC Number
207-100-5
INCI
7-DEHYDROCHOLESTEROL
Category
Rheology Modifier
Updated
Apr 2, 2026