PALMITOYL PENTAPEPTIDE-4 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.
PALMITOYL PENTAPEPTIDE-4
Matrixyl
Safety grade: A
A lab-created peptide (small chain of amino acids) designed to mimic natural skin proteins. It's meant to help stimulate the skin's natural repair processes and support firmness.
This ingredient is used in skincare products to help improve skin texture and elasticity by encouraging the skin to produce more of its own supportive proteins.
Graded using: COSING, FDA.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A