Cladosiphon Okamuranus Extract is derived from a brown seaweed (Okinawa mozuku) rich in the sulfated polysaccharide fucoidan, used in skincare for its hydrating, antioxidant, and soothing properties. It is studied for supporting skin barrier function and reducing visible signs of inflammation.
| Reported effect | How often | Notes |
|---|---|---|
| Mild irritation or redness | Rare | Generally well tolerated; occasional irritation reported in sensitive individuals. |
| Allergic contact dermatitis | Very rare | Possible in individuals sensitized to marine or seaweed-derived ingredients. |
| Iodine sensitivity reactions | Very rare | Seaweed-derived ingredients may contain trace iodine, a theoretical concern for those with iodine sensitivity. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.