Skip to content

Skin Conditioning

PANTOLACTONE

CAS 599-04-2; 79-50-5
84

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

The lactone form of pantothenic acid (vitamin B5) — a small, conditioning humectant closely related to panthenol. Hydrates and soothes skin with an excellent tolerance profile and food-grade safety history.

Skin benefits

  • Skin conditioning humectant
  • Precursor/breakdown form of panthenol (vitamin B5)
  • Improves softness and smoothness
  • Well-tolerated on sensitive skin

Known concerns

  • Limited stand-alone clinical data versus panthenol itself

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

View →

Related skin conditionings

84
10-HYDROXYSTEARIC ACID
Skin Conditioning
 84
ACETYL DECAPEPTIDE-3
Skin Conditioning
 84
ACETYL HEPTAPEPTIDE-9
Skin Conditioning
 84
ACETYL HISTIDINE
Skin Conditioning
 84
ACETYL METHIONINE
Skin Conditioning
 84
ACETYL SH-PENTAPEPTIDE-35
Skin Conditioning
 84
ACETYLATED C10-40 HYDROXYALKYL ACID CHOLESTEROL/LANOSTEROL ESTERS
Skin Conditioning
 84
ALANINE/HISTIDINE/LYSINE POLYPEPTIDE COPPER HCL
Skin Conditioning

Check your shelf

Find PANTOLACTONE in your products.

Scan any cosmetic product with LuxSense to see if it contains PANTOLACTONE and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.