Mannitol description

A plant-derived or lab-made sugar that works in skin care to bind moisture, condition, and also help keep ingredients blended together. It works well with naturally-occurring substances in skin such as hyaluronic acid.

Mannitol references

  • Journal of Cosmetic Dermatology, June 2012, pages 87-92
  • Dermatitis, May 2011, pages 141-146
  • Journal of Cosmetic Science, March-April 2007, pages 109-133

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.