Ingredient glossary
Fructose
On your shelf ✓What Fructose does for your skin, who it suits, and what to watch for.
INCI: Fructose
In short: Fructose delivers hydration, suits most skin types, and the evidence behind it is limited.
- What it does
- Hydration
- Best for
- Most skin types
- Evidence
- Limited
- How long
- Straight away
The molecule
The Glow take
Can help, with honest expectations.
When your goal is deep, lasting hydration, Fructose can genuinely help, though the evidence is still thin, so keep expectations gentle. Gentle enough that most skin types can reach for it.
— Maya
What it does
- hydration
weak evidenceUsed as part of sugar-based humectant systems; independent clinical data are limited but safety and mild hydration benefits are recognized.
Who it's for, and who should skip it
Tends to suit
- dry
- dehydrated
- all
Approach with care
No specific group flagged to avoid it.
- Clogs poresLow
- Irritation riskLow
How it fits each skin type
- DrySuits
- CombinationSuits
- OilySuits
- SensitiveSuits
Where it fits in your routine
This one works on contact — there is nothing to wait for.
What that covers, and what it does not
Measured on: Surface hydration, corneometer capacitance.
A simple polyhydroxy sugar binds water at the stratum corneum surface the moment it is applied; there is no cellular process to wait on. No published trial measures fructose alone at any concentration, and the base's own concentration clue is position-dependent, meaning it usually appears at fractions of a percent inside NMF-style sugar blends where the contribution is unlikely to be perceptible on its own. The bucket therefore describes the mechanism, not a demonstrated consumer-visible result.
No trial identified. Humectant physical chemistry (polyol/sugar water binding); fructose appears in cosmetic use as part of multi-sugar humectant systems rather than as a studied single agent.
Plays well with
- humectants
Fructose, answered
Is Fructose safe during pregnancy?
Yes. Fructose is considered safe to use during pregnancy and breastfeeding. As with anything, if you are unsure it is worth a quick word with your doctor or midwife.
Who should avoid Fructose?
No specific group is flagged to avoid Fructose. It is well tolerated by most skin. Still, introduce anything new one product at a time.
What concentration of Fructose actually works?
Its concentration is rarely printed on the label, so use the ingredient list as your clue: near the top third it is likely doing real work, near the bottom it is more of a sprinkle.
This, for every label you own
One ingredient is easy. A full label is where it gets confusing. The Ingredient Decoder reads any product and tells you the honest truth, ingredient by ingredient.