Maitake mushroom (Grifola frondosa) extract is a botanical ingredient rich in beta-glucans, polysaccharides, and antioxidant compounds, used in skincare for hydrating, soothing, and antioxidant benefits. It is valued for supporting skin barrier function and providing humectant moisturizing effects.
| Reported effect | How often | Notes |
|---|---|---|
Contact irritation or redness | Rare | May occur in sensitive individuals, typically mild and transient. |
Allergic contact dermatitis | Very rare | Possible in those with mushroom or fungal allergies; patch testing advised. |
Itching or stinging | Rare | Occasional mild sensory reaction on application. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.