PALMITOYL SH-OLIGOPEPTIDE-79 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PALMITOYL SH-OLIGOPEPTIDE-79
Safety grade: A
This is a lab-created peptide (a small chain of amino acids) that's designed to strengthen and improve the health of nails. It works by delivering conditioning benefits directly to nail tissue.
This ingredient is used in nail care products to condition, strengthen, and improve the overall appearance and resilience of nails by nourishing and protecting the nail structure.
Graded using: COSING.
Last verified: May 26, 2026
Other Nail Conditioning ingredients
- COMMIPHORA MYRRHA RESIN EXTRACT — Grade A
- ECHINACEA ANGUSTIFOLIA ROOT EXTRACT — Grade A
- VACCINIUM MYRTILLUS LEAF EXTRACT — Grade A
- 2-METHYLPROPANAL — Grade A**
- 4,4'-ISOPROPYLIDENEDIPHENYL/EPICHLOROHYDRIN COPOLYMER DIACRYLATE — Grade A
- ACETALDEHYDE — Grade F**
- ACRYLIC ACID — Grade A**
- AMP-ISOSTEAROYL HYDROLYZED SILK — Grade B