HYDROLYZED OYSTER SHELL EXTRACT is graded A (Safe) by Expert·ING, based on COSING regulatory data.

HYDROLYZED OYSTER SHELL EXTRACT

Safety grade: A

This ingredient is derived from crushed oyster shells that have been broken down into smaller components. It contains minerals and proteins naturally found in oyster shells that are beneficial for skin.

It conditions and softens the skin by providing minerals and proteins that help improve skin texture and maintain moisture.

Graded using: COSING.

Last verified: May 26, 2026

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