Tromethamine
pH regulator and buffer. Maintains stable formula pH – especially with carbomers and acids – without skin activity.
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Functional buffer. Safe.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
NormalDryOilyCombinationSensitive
Frequently asked questions
Is Tromethamine safe during pregnancy?
Tromethamine is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Tromethamine for?
Tromethamine suits: normal, dry, oily, combination, sensitive.