OXOSUCCINIC ACID is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OXOSUCCINIC ACID

Safety grade: A

Oxosuccinic acid is an organic compound that is a natural intermediate in cellular energy production. It's a small molecule that can be used in skincare products for its potential antioxidant and skin conditioning properties.

This ingredient functions as an antioxidant and humectant to help protect skin from environmental damage and maintain moisture balance.

Graded using: COSING.

Last verified: May 26, 2026