Erythritol
A four-carbon sugar alcohol with humectant properties and a unique cooling sensation on skin.
Binds water and provides a slight endothermic dissolution that feels cooling. Mild antioxidant.
- Hydrates
- Cooling sensation
- Suitable for after-sun
What the evidence supports.
- All skin types
No notable contraindications reported.
Mid-routine serum or treatment step.
Concentration range in well-formulated products: 0.5%–5%
Especially good in summer for cooling formulas.
Sugar substitute used in keto baking.
No specific deficiency signals tracked for this ingredient.
The 'cooling toner' ingredient, appears in après-soleil and post-sport sprays.
The research behind Erythritol.
Every claim on this page traces to published research. Findings below are drawn from randomized trials and systematic reviews, each links to the study on PubMed.
Journal of Clinical and Aesthetic Dermatology, 2014
No flagged conflicts. Still, patch-test new actives.
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