Palmitoyl lysyldioxymethionyllysine
molecular structure · PubChem
AKA: Palmitoyl Tripeptide-38, 1101448-24-1, PALMITOYL-LYSYL-DIOXYMETHIONYL-LYSINE, L-LYSINE, N2-(1-OXOHEXADECYL)-L-LYSYL-S
Synthetic
Skin Conditioner
Amino Acid
Not Clean
See other relationships...
Formula
C33H65N5O7S
Mol. Weight
676.00
CAS #
1101448-24-1
Form
Powder
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Anti-Aging
Moisturizing
Improves Elasticity
Traditional Use
A synthetic peptide developed in the 2000s as a biomimetic alternative to retinol and growth factors, designed to signal skin cells to produce collagen without the irritation of traditional retinoids.
Skin Types
●all-skin-types
Best For
Loss of Elasticity
Pregnancy & Breastfeeding Safe
Yes
Palmitoyl Tripeptide-38
European Commission
EU Cosmetic Ingredient Database (CosIng)
Safety and efficacy of l-lysine monohydrochloride and concentrated liquid l-lysine (base) produced by fermentation with Corynebacterium glutamicum KCC
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Bampidis V, Azimonti G, Bastos ML, Christensen H et al.
EFSA journal. European Food Safety Authority, 2020
Palmitoyl Tripeptide-38
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR