Inonotus Obliquus (Mushroom) Extract

Chaga mushroom (Inonotus obliquus) extract is used as a cosmetic ingredient in leave-on and rinse-off products. It's included for potential antioxidant activity and a soothing feel, but topical data and extract standardization are limited.
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Ingredient Snapshot

Overview
A chaga mushroom extract with mild antioxidant and calming effects.
Category
Antioxidant, Soothing, Skin Conditioning
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Provides antioxidant support against environmental stressors and a calmer appearance. Evidence for strong topical effects is limited.

Uses In Skincare & Cosmetics

Appears in serums, essences, and creams aimed at comfort or post-cleansing care. Also used in toners targeting a more resilient look.

Comedogenic Rating

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

Safety

Generally tolerated in cosmetics, though botanicals and fungi can trigger irritation or allergy in sensitive users; patch testing is prudent. No widely recognized cosmetic restrictions specific to this extract.

Is Inonotus Obliquus (Mushroom) Extract a Good Ingredient?

Rated Fair because its antioxidant potential is plausible, but topical evidence and standardization are limited, so results may be modest. As a fungal extract, sensitization is possible, especially for those with mushroom allergies, which is enough to hold the rating at Fair.