Ingredient
Walnut Shell
What is Walnut Shell?
Walnut shells are the hard, outer coverings of walnuts. They are typically collected during the walnut processing phase where the nut is extracted for culinary use. The shells are ground into a fine powder for various applications.
Walnut shells are commonly used in cosmetic and personal care products, such as exfoliating scrubs, and in industrial applications like abrasives for cleaning and polishing. There is no significant health evidence regarding safety concerns, though those with walnut allergies should exercise caution.
When listed on labels, walnut shell ingredients are often included for their texture and abrasive properties rather than nutritional benefits or direct health effects.
Commonly found in: exfoliating scrubs, abrasives, cosmetic products, industrial cleaning
What to watch
- May cause allergic reactions in individuals with tree nut allergies.
Benefits
- Acts as a natural exfoliant in personal care products.
Walnut shells are generally recognized as safe for cosmetic and industrial uses.
Research does not indicate significant health risks, but caution is advised for nut-allergic individuals.
Walnut shells are plant-derived and generally considered vegan-friendly.
Sources: GRAS Substances (SCOGS) Database
Scout's take
Walnut shells are a natural abrasive material that provides effective scrubbing power. They are biodegradable and contribute to sustainability when sourced responsibly.
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