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

THREITOL

Safety grade: A

Threitol is a small sugar-like molecule that acts like a moisture magnet for your skin. It's similar to other humectants that help keep your skin hydrated and plump.

This ingredient draws water into the skin and helps products retain moisture, keeping your skin feeling soft and hydrated.

Graded using: COSING, FDA.

Last verified: May 26, 2026