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The ingredients in the 25% Vitamin C + Glutathione Clinical Serum are generally considered safe to use during pregnancy or while breastfeeding
12 Manggabarani A, Tabri F, Anwar AI, Seweng A, Bukhari A, Djawad K
J Periodontol 2009

Major Ingredients Cetyl Ethylhexanoate, Sorbeth-30 Tetraoleate, Glycerin, Triethylhexanoin, Polyglyceryl-10 Diisostearate, Dipropylene Glycol, Diisostearyl Malate, Caprylic/Capric Triglyceride, Helianthus Annuus (Sunflower) Seed Oil, Glyceryl Behenate/Eicosadioate, Olea Europaea (Olive) Fruit Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Stearoyl Inulin, Lavandula Angustifolia (Lavender) Oil, Citrus Limon (Lemon) Peel Oil, Hippophae Rhamnoides Fruit Oil, Polyglyceryl-10 Behenate/Eicosadioate, Citrus Nobilis (Mandarin Orange) Peel Oil, Cedrus Atlantica Wood Oil, Caprylyl Glycol, Ethylhexylglycerin, Citrus Aurantium Dulcis (Orange) Peel Oil, Rosmarinus Officinalis (Rosemary) Leaf Oil, Water, Candida Bombicola/Glucose/Methyl Rapeseedate Ferment, Tocopherol, 1,2-Hexanediol, Ascorbic Acid, Hydroxypropyl Cyclodextrin, Glutathione, Disodium EDTA, Niacinamide, Pantothenic Acid, Linolenic Acid, Biotin, Tocopheryl Acetate, Cyanocobalamin, Limonene, Citral, Geraniol, Citronellol Ingredients subject to change at manufacturer's discretion

Journalistic investigation has also noted that much of the BPC-157 literature traces back to a single Croatian research group, another reason to be careful about mistaking repetition for independent confirmation