Mucor Miehei Extract

This enzyme-rich extract from the fungus Mucor miehei is produced via fermentation, used in rinse-off and leave-on products for gentle surface exfoliation and smoother texture, though optimal dosing and tolerability data are limited.
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Ingredient Snapshot

Overview
A fungal enzyme extract that gently loosens dead skin cells.
Category
Exfoliating, Tone/Texture
Type
Exfoliant

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Loosens dead surface cells for a softer feel and refreshed look, though some users experience sensitivity, and ideal usage levels are not well established.

Uses In Skincare & Cosmetics

Included in enzyme masks, cleansing powders, gels, and occasional leave-on treatments to refine texture.

Comedogenic Rating

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

Safety

Carries an irritation risk; start infrequently and avoid compromised skin to prevent over-exfoliation. Patch test and discontinue if burning or persistent redness occurs.

Is Mucor Miehei Extract a Good Ingredient?

Enzyme exfoliation is plausible, but standardized dosing and comparative clinical data are limited, which is why it rates Fair. Irritation, stinging, or barrier disruption can occur, especially with overuse or on sensitive skin.