Named ingredient
Is Hydrolyzed keratin halal?
Protein from sheep’s wool, hooves or feathers, used in hair products more than food. Species and slaughter follow the same animal-protein rules.
Protein from sheep’s wool, hooves or feathers, used in hair products more than food. Species and slaughter follow the same animal-protein rules.
What the sources say
Protein from sheep’s wool, hooves or feathers, used in hair products more than food. Species and slaughter follow the same animal-protein rules.
What to ask the manufacturer
A recognised halal mark or a vegan declaration can settle this instead. If you email the brand, send one specific question:
For Hydrolyzed keratin (wool) in this product: is the source plant, fermentation, marine, or land-animal? If animal, which species and was it slaughtered as halal?
Quick facts
| Name | Hydrolyzed keratin (wool) |
|---|---|
| Also on labels as | hydrolysed keratin, wool keratin, hair keratin |
| Additive class | Named ingredient |
| Classification | Source-dependent |
| Last verified | 2026-09-16 |
Common questions
Is Hydrolyzed keratin halal?
Hydrolyzed keratin (wool) is classified as Source-dependent. Protein from sheep’s wool, hooves or feathers, used in hair products more than food. Species and slaughter follow the same animal-protein rules.
Is Hydrolyzed keratin halal or haram?
On the evidence cited on this page, Hydrolyzed keratin is source-dependent. Doubtful until the source is known (mashbooh) Every position is attributed to a named certifier or scholarly body with a link, so you can verify it directly.
What else is Hydrolyzed keratin called on ingredient labels?
It can appear as: hydrolysed keratin, wool keratin, hair keratin.
Why isn't there a single yes/no answer for Hydrolyzed keratin?
Because the ruling depends on information the label does not carry — the source material, the production route, or which scholarly position you follow. This page shows each named position with a link so you can check it yourself.
Where does this page's information come from?
Every position on this page is attributed to a named certifier or scholarly body with a direct link, listed under 'What the sources say'. Muttoo aggregates and cites; it does not issue rulings.
Record ingredient-hydrolyzed-keratin-wool · last verified 2026-09-16 · report an error