Physical tanning uses substances that remove moisture and matter responsible for spoilage. Examples named in the juristic discussion include alum, qaraz and pomegranate peel.
The ruling hinges on the effect achieved, not merely on a particular ingredient. Adding perfume without preserving the hide is not tanning.
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Tanning, Purity of Hides and Parts of Carrion
Physical tanning uses substances that remove moisture and matter responsible for spoilage. Examples named in the juristic discussion include alum, qaraz and pomegranate peel.
The ruling hinges on the effect achieved, not merely on a particular ingredient. Adding perfume without preserving the hide is not tanning.