Sargassum Fluitans/Natans Extract is derived from pelagic brown seaweed (sargassum) and is used in skincare for its antioxidant, moisturizing, and skin-conditioning properties attributed to polyphenols, polysaccharides, and minerals. It is generally included to support hydration and protect against oxidative stress.
| Reported effect | How often | Notes |
|---|---|---|
Contact irritation or mild erythema | Rare | Possible in sensitive individuals, generally transient. |
Allergic contact dermatitis | Rare | Marine/algae-derived components may sensitize susceptible individuals. |
Iodine-related reactions | Very rare | Seaweed extracts can contain iodine; relevant for those with thyroid sensitivity or iodine allergy. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.