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

HYDROXYLAMINE HCL

Safety grade: A

A chemical compound used in cosmetics to help preserve products and prevent them from breaking down over time. It works by protecting formulas from oxidation, which can cause discoloration or texture changes. You'll find it in various skincare and color cosmetics where shelf stability matters.

Graded using: COSING.

Last verified: June 9, 2026