BladderwrackBladderwrack extract (Fucus Vesiculosus Extract) Fucus Vesiculosus Extract is an extract of the dried thallus of the Bladderwrack Algae, Fucus Vesiculosus Fucaceae. Rich in Alginic acid, AminoAcids, polysaccharides, minerals and vitamins. Fuscus vesiculosus essential oil is a stimulant and tonic is recommended to treat skin with high levels of sebum production and follicular inflammation, itching and loss of hydration. Also effective for acne treatment.