Polygonum Tinctorium Leaf/Stem Extract

Polygonum Tinctorium Leaf/Stem Extract comes from the leaves and stems of Japanese indigo. It's used in skincare for a soothing, conditioning feel and comfortable skin, though peer-reviewed evidence for its efficacy remains limited.
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Ingredient Snapshot

Overview
Japanese indigo extract that soothes and comforts sensitive skin.
Category
Soothing, Sensitive Skin, Skin Conditioning, Barrier Support
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

May help calm the look of redness and support a more comfortable complexion; current research is limited so effects can be modest.

Uses In Skincare & Cosmetics

Included in gentle serums, toners, and moisturizers designed for easily irritated skin or post-care routines.

Comedogenic Rating

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

Safety

Generally tolerated at typical cosmetic levels, but botanicals can trigger irritation or sensitization in some users. Patch testing is prudent for reactive skin. No well-established regulatory restrictions noted.

Is Polygonum Tinctorium Leaf/Stem Extract a Good Ingredient?

Rated Fair because evidence for soothing or barrier support is limited and composition can vary by source, so results may be inconsistent. As a botanical, it carries some risk of irritation or allergy, especially for very sensitive skin.

Products with Polygonum Tinctorium Leaf/Stem Extract

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