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Mannitol

Good

Humectant

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.

Related ingredients: Sucrose

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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

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.