Potassium Citrate



No known benefits

Potassium Citrate 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

Potassium Citrate description

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.

Potassium Citrate references

  • CosmeticsInfo.org, Accessed June 2022, ePublication
  • International Journal of Toxicology, May 2014, pages 16S-46S

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not Rated