SD Alcohol 40
molecular structure · PubChem
AKA: Alcohol Denat, Denatured Alcohol
Synthetic
Solvent
Astringent
Not Clean
OriginSD Alcohol 40 belongs to the alcohol chemical family, derived from ethanol typically produced through fermentation or synthetic hydrocarbon sources. The ethanol is denatured with additives like denatonium benzoate to render it undrinkable for cosmetic use.
Alcohol Denat.
CAS #
61116-08-3
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Astringent
Tightens and contracts skin tissue, temporarily shrinking pores and reducing oiliness. That "clean, tight" feeling after toner.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Viscosity Controlling
Controls excess oil
Minimizes pores
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
3
CIR
Insufficient data
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
Product formulation test found no phototoxicity in the CIR safety assessment (CIR 273)
Not a Skin Irritant
5 studies / 5 not irritating (CIR 273)
Not a Sensitizer
5 studies / 5 not sensitizing (CIR 273)
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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