Humectant

3-Butanediol

Solvent, humectant, skin conditioning agent
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Solvent, humectant, skin conditioning agent

Purpose

Function

Solvent, humectant, skin conditioning agent
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Restricted
Safety
MODERATE
US
Restricted
Absorptionmoderate
Sensitizationlow
MoSnot established
ConcernModerate
Verdict

CIR classified as "insufficient data" alongside 1,4-butanediol and 1,5-pentanediol; no frequency-of-use or concentration-of-use data reported to FDA VCRP

US Note

Not specifically restricted; however, CIR (2024) found insufficient data to determine safety

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

Category
Humectant
Updated
Apr 23, 2026

No registry identifiers available for this ingredient.