Tromethamine
Tromethamine
Also known as: TRIS · Trometamol · 2-Amino-2-(hydroxymethyl)-1,3-propanediol
pH adjuster
“A gentle pH adjuster popular in K-beauty formulations.”
What it does
Tromethamine (TRIS) is an organic compound used as a pH adjuster and buffering agent. It is a popular alternative to sodium hydroxide and triethanolamine in K-beauty and modern formulations because it is gentler on skin and more stable. It maintains product pH in the optimal range for actives and skin compatibility.
Benefits
- Maintains optimal product pH
- Gentler than sodium hydroxide as a pH adjuster
- Stable buffering agent for acidic formulations
How to layer
☀️ Morning routine
Cleanser
Toner
Serum
Moisturiser
SPF
🌙 Evening routine
Cleanser
Toner
Serum
Moisturiser
Face Oil
After cleansing, before moisturiser
Good for
All skin
How to use
A background formulation ingredient. No special application needed.
Typical concentration: Trace amounts in finished formulations