Snapshot
- Overview
- A walnut shell extract used for natural color and a brief tightening feel.
- Category
- Skin Conditioning, Tone/Texture, Color
- Type
- Botanical Extract
Juglans Nigra (Black Walnut) Shell Extract
Juglans nigra (black walnut) shell extract is a botanical ingredient sourced from the hard pericarp of the nut. It's incorporated for natural color and an astringent sensory effect in formulas, though evidence for direct skin improvements remains limited.
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Our take
Is Juglans Nigra (Black Walnut) Shell Extract a Good Ingredient?
Rated Fair because evidence for meaningful skin benefit is limited, and its value is mostly about color and an astringent feel. Tannins and juglone in the extract can irritate or sensitize some users, which is what keeps the rating from climbing to Good.
What it does
Skin Benefits
May impart a brief tightening sensation and contribute to a more refined look; overall skin benefits are not strongly supported by research.
Where you'll find it
Uses in Skincare & Cosmetics
Used in toners, clay masks, and tinted formulations to add a deeper hue and a taut feel.
Before you use it
Safety
Has a notable irritation/sensitization potential; patch test before use and avoid compromised skin. Those sensitive to botanical astringents or walnut derivatives should use caution.
Products with Juglans Nigra (Black Walnut) Shell Extract
