Pentasodium Triphosphate
INCI: PENTASODIUM TRIPHOSPHATE
Reviewed by Rosie · Last updated 18 Aug 2026
What Is Pentasodium Triphosphate?
Pentasodium triphosphate.
Its declared cosmetic functions are buffering and chelating.
Source: European Commission CosIng inventory.
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
Ajuga Reptans Cell Culture Extract
Plant cell culture extract with antioxidant and skin-brightening potential
Calcium Disodium EDTA
A chelating agent that binds metals and helps stabilise skincare formulations
Caprylhydroxamic Acid
A chelating agent that stabilises formulations and supports product efficacy
Citric Acid
Used in small amounts to adjust the pH of products | Originally derived from citrus fruits
Citrus Medica Vulgaris Fruit Extract
A citrus-derived antioxidant that helps protect skin from environmental stressors
Cyclodextrin
Derived from cornstarch and made via biotechnology | Used in cosmetics to stabilise and help solubilize key ingredients
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.