Tromethamine: What is this ingredient?
An amino alcohol used in cosmetics to adjust and buffer formula pH.
Tromethamine
One-line definition
An amino alcohol used in cosmetics to adjust and buffer formula pH.
Key functions
An amino alcohol used in cosmetics to adjust and buffer formula pH.
Buffering
Skin response can vary by skin type and formula, so patch testing is recommended for sensitive skin.
REJURAN
mask-pack
Product Guide • 2026-05-12