Castanea Sativa (Chestnut) Seed Extract

Castanea sativa (chestnut) seed extract is a plant-derived botanical from the seeds of the sweet chestnut tree. In skincare it's used for antioxidant constituents and a soft, conditioned skin feel, supporting comfort-focused formulas.
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Ingredient Snapshot

Overview
Sweet chestnut extract that calms skin and adds antioxidants.
Category
Soothing, Antioxidant, Skin Conditioning
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Helps visibly calm stressed skin and offers protective support against daily environmental aggressors; evidence for strong anti-aging effects is limited, so results may be modest.

Uses In Skincare & Cosmetics

Included in serums, milky toners, and moisturizers aimed at comfort and everyday defense for reactive or easily flushed skin.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally considered low risk, but plant extracts can irritate sensitive or compromised skin. Patch test if you're reactive, and discontinue use if redness or stinging occurs.

Is Castanea Sativa (Chestnut) Seed Extract a Good Ingredient?

Evidence for significant skin benefits is limited; it may offer mild antioxidant and calming effects, but the data are modest and composition can vary, which is why it's rated Fair. Botanicals can also trigger irritation or sensitization in some users, so results and tolerance may differ.

Products with Castanea Sativa (Chestnut) Seed Extract

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