S-STARFISH DECAPEPTIDE-1 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

S-STARFISH DECAPEPTIDE-1

Safety grade: A

This ingredient is a protein fragment derived from starfish that helps support skin's natural moisture barrier and may improve skin firmness. It works by encouraging the skin to maintain hydration and can be found in serums and moisturizers designed to enhance skin texture and elasticity.

Graded using: COSING.

Last verified: June 9, 2026