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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Snapshot

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

Ratings

Overall Rating

Fair

Comedogenic Risk

None

Not typically evaluated for comedogenicity — no standardized rating available.

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.

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.

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.