Spent Grain Wax
A plant wax from spent barley grain. It forms a soft protective film and supports the barrier. Well tolerated.
Evidence by route
Topical application
A functional plant wax. Safe.
- CIR Cosmetic Ingredient Review safety assessment
How to read tiers A–F
- BLimited evidence. One RCT or several controlled studies with limitations
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
About this ingredient
Spent Grain Wax is a plant wax obtained from spent barley grain, a byproduct of brewing. In creams and balms it forms a soft film that slows water loss and supports the skin barrier, while adding body to the texture. It works as an emollient and texture stabilizer with a barrier-support role. It is not a strong active that erases wrinkles, but its light occlusive effect helps the skin hold moisture. For topical use it has no systemic relevance, so it can be used during pregnancy and breastfeeding. Tolerance is good: irritation and allergy are low. Its comedogenicity is very low (1 out of 5), so it rarely causes problems, though very oily skin may prefer lighter textures.
Frequently asked questions
Is Spent Grain Wax safe during pregnancy?
Spent Grain Wax is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Spent Grain Wax for?
Spent Grain Wax suits: normal, dry, combination, oily, sensitive.
What is Spent Grain Wax and what does it do in cosmetics?
A plant wax from spent barley grain.
Is Spent Grain Wax comedogenic?
On the Fulton scale 1/5 – very low comedogenicity. For acne-prone skin, a rating of 3 or higher suggests choosing an alternative.
What's the INCI name for Spent Grain Wax?
The INCI name is Spent Grain Wax. It may also appear as: Hordeum Vulgare Cera, Barley Wax.
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