Pantothenic Acid
AKA “D-pantothenic acid, 79-83-4, vitamin B5, Chick antidermatitis factor, (+)-Pantothenic acid, Vitamin B-5, Kyselina pantothenova, D(+)-N-(2, 4-Dihydroxy-3, 3-dimethylbutyryl)-beta-alanine, Pantothenic acid (d)
Acid
Ingredient Facts
Pantothenic acid
AKA: D-pantothenic acid, 79-83-4, Vitamin B5, Chick antidermatitis factor, (+)-Pantothenic acid, Vitamin B-5, Kyselina pantothenova, D(+)-N-(2, 4-Dihydroxy-3, 3-dimethylbutyryl)-beta-alanine, Pantothenic acid (d)
Acid · Antistatic · EWG: 1
Synthetic
Skin Conditioner
Hair Care
Amino Acid
Acid
Clean
Propanoic acid, 3-(2,4-dihydroxy-3,3-dimethyl-1-oxobutyl)amino-, (R)-
Solubility Soluble
Formula
C9H17NO5
Mol. Weight
219.23
CAS #
79-83-4
Form
Liquid
State
Viscous liquid; Unstable and extremely hygroscopic; [Merck Index]
See origin →
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Pantothenic acid (vitamin B5) was discovered in 1933 and identified as essential for skin health and cellular metabolism. Adopted in skincare in the 1960s-1970s for its moisturizing and wound-healing properties.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR