SD Alcohol 40
molecular structure · PubChem
AKA: Alcohol Denat, Denatured Alcohol
Synthetic
Solvent
Astringent
Not Clean
Alcohol Denat.
CAS #
61116-08-3
Form
Liquid
State
Liquid
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
Traditional Use
A denatured ethanol formulation developed in the early 1900s under U.S. tax regulations. One of the most common specially denatured alcohol types used in cosmetics as a solvent, preservative, and antimicrobial agent.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR