Citrate Buffer



No known benefits

Citrate Buffer description

Citrate buffer is a buffered mixture of the cosmetic ingredients sodium citrate and citric acid. It functions in cosmetics as a pH-adjusting ingredient to keep products in the acidic range of the pH scale. It can be sensitising when used in high amounts, but the tiny amounts needed to establish a pH in cosmetics are not harmful to skin.

Citrate Buffer references

  • International Journal of Pharmaceutics, May 2017, pages 222-231
  • Results in Pharma Sciences, May 2011, pages

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

We have not yet rated this ingredient because we have not had a chance to review the research on it.