Myristoyl Pentapeptide-4

AKA: MYR-KTTKS, COLLASYN 514KS, MYRISTOYL PENTAPEPTIDE-3, MYR-LYS-THR-THR-LYS-SER, MYRISTOYL PENTAPEPTIDE-4 [INCI], 1392416-25-9, Orb1943036
Synthetic
Skin Conditioner
Clean
OriginDerived from amino acids and peptide precursors synthesized through chemical processes. Produced by coupling amino acids in sequence via peptide bond formation synthesis.
Myristoyl Pentapeptide-3 is the reaction product of Myristic Acid with a synthetic peptide containing Threonine, Serine and lysine
Formula
C37H71N7O10
Mol. Weight
774.00
CAS #
-
Skin Types
●all-skin-types
Best For
Wrinkles
Pregnancy & Breastfeeding Safe
Yes
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.
Boosts collagen production
Reduces fine lines
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · report published 2024
Regulatory Status
USA✔ permitted
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR