Dioscorea Japonica Root Extract

This botanical extract from the root of Dioscorea japonica (Japanese yam) is used in cosmetic formulations. Selected for skin conditioning and a calming feel, its polysaccharides and phenolics point to antioxidant activity, though topical evidence remains limited.
Like this ingredient?

Ingredient Snapshot

Overview
Japanese yam root extract that calms and softens skin.
Category
Skin Conditioning, Soothing, Antioxidant
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

May comfort sensitive-feeling skin and support a healthier-looking complexion with ancillary antioxidant activity. Also contributes to a softer, more supple feel.

Uses In Skincare & Cosmetics

Used in hydrating toners, gel serums, moisturizers, and calming sheet masks aimed at post-cleanse comfort.

Comedogenic Rating

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

Safety

Generally considered safe in cosmetics, though botanicals can trigger irritation or sensitization in reactive users; patch testing is prudent. Low likelihood of clogging pores. Avoid use on compromised skin if stinging occurs.

Is Dioscorea Japonica Root Extract a Good Ingredient?

Fair rating: offers potential soothing and antioxidant support from polysaccharides and phenolics, but human topical evidence is limited. Being a complex botanical, there is a small risk of irritation or allergy in sensitive skin.

Products with Dioscorea Japonica Root Extract

Related Ingredients