What it does
Contributes to the comfort of serums and emulsions.
Humectants
Trehalose.
A disaccharide used to support hydration and formula protection under stress.
- INCI name
- Trehalose
- Function
- A humectant and cosmetic moisturising ingredient.
- Information level
- Documented cosmetic function
- Last reviewed
- 22 September 2026
Who may benefit
All skin types.
Compatibility
Glycerin, hyaluronic acid and ceramides.
Precautions
Does not replace lipids or occlusives when the barrier is very dry.
How to use it
Morning and evening.
Concentrations
The percentage cannot be inferred from INCI order. WAI LAB shows it only when stated by a verifiable source.
HOW TO READ IT
What it means in the INCI list?
In the European Union, ingredients above 1% are listed in descending order by weight; below 1%, they may appear in any order. Their position therefore cannot be used to calculate an exact percentage.
Its position helps you understand the formula, but does not on its own establish effectiveness or an exact percentage.
SOURCES
Where the information comes from.
WAI LAB distinguishes cosmetic function, regulatory context and scientific literature. This information is not a substitute for medical advice.
FROM UNDERSTANDING TO CHOOSING
Products with Trehalose.
138 catalogue products list a recognised form of this ingredient in their INCI.
138 resultsVerified profiles with declared concentrations appear first.
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VerifiedWAI 85/100 · partialCliniqueAll About Clean™ Liquid Facial Soap Extra Mild for Very Dry to Dry Skin Types
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VerifiedWAI 83/100 · partialCliniqueClinique For Men™ Super Energizer™ Anti-Fatigue Hydrating Concentrate SPF 40
24 of 138 shown