Quick answer
The potassium salt of citric acid; May be plant-derived or synthetic; Acts as a pH-adjusting ingredient and chelating agent in cosmetic formulations; Comes in the form of white crystals, granules, or powder as a raw material
Potassium Citrate
Updated
Tripotassium citrate
Purpose
Chelating agent and pH adjuster. May be plant-derived or synthetic.
Rating
GOOD
Category
pH Adjuster/Stabilizer
INCI Purpose
BUFFERING, CHELATING
Alternative Names
At a Glance
The potassium salt of citric acid
May be plant-derived or synthetic
Acts as a pH-adjusting ingredient and chelating agent in cosmetic formulations
Comes in the form of white crystals, granules, or powder as a raw material
Article
Potassium citrate is the potassium salt of citric acid. This ingredient may be plant-derived or synthetic. It acts as a pH-adjusting ingredient and chelating agent in skin care and other cosmetic formulations.
As a raw material, potassium citrate comes in the form of white crystals, granules, or powder.
The 2014 Cosmetic Ingredient Review assessment deemed potassium citrate safe as used in cosmetics. Their report surveyed products containing 0.002-0.6% potassium citrate.
Interesting fact: Potassium citrate is also a food-grade additive and is used in oral supplement form for certain medical conditions.
See: Citric Acid
References