Palmitoyl lysyldioxymethionyllysine
AKA “Palmitoyl Tripeptide-38, UNII-T7A529FB8O, PALMITOYL-LYSYL-DIOXYMETHIONYL-LYSINE, L-LYSINE, N2-(1-OXOHEXADECYL)-L-LYSYL-S, RefChem:169737, DTXCID3071646
Synthetic
Ingredient Facts
Palmitoyl lysyldioxymethionyllysine
AKA: Palmitoyl Tripeptide-38, UNII-T7A529FB8O, PALMITOYL-LYSYL-DIOXYMETHIONYL-LYSINE, L-LYSINE, N2-(1-OXOHEXADECYL)-L-LYSYL-S, RefChem:169737, DTXCID3071646
Synthetic · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Amino Acid
Synthetic
Clean
Helps condition and soften hair, improving texture and smoothness while reducing frizz and flyaways.
Formula
C33H65N5O7S
Mol. Weight
676.00
CAS #
1101448-24-1
Form
Powder
See origin →
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.
Hair 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
Addresses signs of aging like fine lines, wrinkles, and loss of firmness
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR