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Collagen Amino Acids

Good

Humectant

Collagen Amino Acids description

Collagen amino acids are made from the hydrolysis (breaking down with water) of protein, resulting in a high amount of a single amino acid, hydroxyproline, which serves to increase skin’s moisture levels and smoothness.

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Collagen Amino Acids references

  • Clinical, Cosmetic, and Investigational Dermatology, February 2013, pages 43-49
  • Amino Acids, June 2012, pages 2,481-2,489

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

Best

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

Good

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

Average

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

Bad

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

Worst

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

unknown

We couldn't find this in our ingredient dictionary. We log all missing ingredients and make continuous updates.

Not rated

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