The ECs that form the BBB are tightly joined by specialized junctions known as tight junctions (TJs), composed of transmembrane proteins such as claudins, occludins, and junctional adhesion molecules (JAMs) [29]
The active functional component of glutathione is the thiol (-SH) group located on its cysteine residue

Water, Cetearyl Alcohol, Glycerin, Isopropyl Myristate, Sorbitan Sesquioleate, 1,2-Hexanediol, Glyceryl Stearate, PEG-100 Stearate, Palmitic Acid, Polysorbate 60, Caprylic/Capric Triglyceride, Stearic Acid, Carbomer, Dimethicone, Arginine, Ethylhexylglycerin, Retinyl Palmitate, Arachidic Acid, Myristic Acid, Butylene Glycol, Olea Europaea (Olive) Fruit Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Niacinamide, Glutathione, Ascorbic Acid, Tocopherol, Lavandula Angustifolia (Lavender) Flower Extract, Chamomilla Recutita (Matricaria) Flower Extract, Borago Officinalis Extract, Centaurea Cyanus Flower Extract, Salvia Sclarea (Clary) Extract, Hyacinthus Orientalis (Hyacinth) Extract, Sodium Hyaluronate , Sodium Hyaluronate Crosspolymer, Potassium Hyaluronate, Hydrolyzed Glycosaminoglycans, Hydrolyzed Sodium Hyaluronate , Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Disodium EDTA, Fragrance, Linalool, Hexyl Cinnamal, Limonene, Citral

Boudina S, Sena S, Theobald H, Sheng X, Wright JJ, Hu XX, Aziz S, Johnson JI, Bugger H, Zaha VG, Abel ED
Unlike consumer glutathione supplements, this is a pure cosmetic raw material designed for topical formulation use giving you full control over concentration, product type, and application