Cocoyl Proline


New ingredients

Cocoyl Proline at a glance

  • Mixture of coconut fatty acids + amino acid proline
  • Works as a hydrator and conditioning agent
  • Considered safe as used in cosmetics
  • May be plant-derived or synthetic

Cocoyl Proline description

Cocoyl proline is a mixture of coconut fatty acids and the amino acid proline. This ingredient may be plant-derived (from coconuts) or synthetic. It functions in cosmetics as a hydrator and conditioning agent. It’s considered safe as used in cosmetics. Usage levels of cocoyl proline in cosmetics range from 0.1–5%, depending on formulary needs.

Cocoyl Proline references

  • International Journal of Toxicology, May-June 2017, pages 17S–56S
  • European Journal of Dermatology, April 2013, pages 195–201

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.