SD Alcohol 40-B
AKA “Alcohol Denat, Denatured Alcohol”
Synthetic
Ingredient Facts
Sd alcohol 40-b
AKA: Alcohol Denat, Denatured Alcohol
Synthetic · Astringent · EWG: 5
Synthetic
Solvent
Astringent
Synthetic
Clean
Alcohol Denat. Science: Functions: Astringent, Solvent, Viscosity Controlling Safety Ratings: CIR: Safe as used
CAS #
8048-19-9
Form
Liquid
State
Liquid
See origin →
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 variant of specially denatured alcohol 40 with specific denaturant additions, created under 20th-century regulatory frameworks. Used in cosmetics for its solvent and antimicrobial properties.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Final Report of the Safety Asessment of Alcohol Denat. including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD Alcohol 40, SD Alcohol 40-B, and SD Alcohol 40-C and
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
SD Alcohol 40-B
European Commission
EU Cosmetic Ingredient Database (CosIng)
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Final report of the safety assessment of Alcohol Denat., including SD Alcohol 3-A, SD Alcohol 30, SD Alcohol 39, SD Alcohol 39-B, SD Alcohol 39-C, SD
Cosmetic Ingredient Review Expert Panel
International journal of toxicology, 2008
Alcohol Denat.
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
SD Alcohol 40-B
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: CosIng · EWG · CIR