Is Hydrolyzed Sulfonated Wool Extract vegetarian?

Hydrolyzed Sulfonated Wool Extract is the hydrolysate of sulfonated wool extract, derived from sheep's wool, obtained by acid, enzyme, or other hydrolysis methods; wool is a byproduct of sheep shearing not requiring slaughter, but it is an animal product.

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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