pmid:29171440 48
Griebeler ML, Morey-Vargas OL, Brito JP, Tsapas A, Wang Z, Carranza Leon BG, et al
Influence of metformin on hyperandrogenism in women with polycystic ovary syndrome: a systematic review and meta-analysis of randomized clinical trials

Major Ingredients Water, Centella Asiatica Extract (22.7%), Glycerin, Cetyl Ethylhexanoate, Butylene Glycol, Polyglyceryl-3 Methylglucose Distearate, Niacinamide (20,000ppm), Stearic Acid, Sodium Polyacryloyldimethyl Taurate, Silica, Sodium Hyaluronate, Glyceryl Stearate, Beeswax, Butyrospermum Parkii (Shea) Butter, Macadamia Ternifolia Seed Oil, Hydrogenated Polydecene, Betaine, Glutathione (1,000ppm), Trehalose, Adenosine, Citric Acid, Trideceth-10, Disodium EDTA, Sodium Citrate, Caprylic/Capric Triglyceride, Hydrogenated Lecithin, Xanthan Gum, Nelumbo Nucifera Extract, Artemisia Annua Extract, Oryza Sativa (Rice) Extract, Saccharomyces Ferment, Solanum Melongena (Eggplant) Fruit Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Hydrolyzed Collagen, Squalane, Beta-Glucan, Dipropylene Glycol, Hippophae Rhamnoides Fruit Extract, Madecassic Acid, Asiaticoside, Asiatic Acid, Propanediol, Hydroxyacetophenone, 1,2-Hexanediol, Ethylhexylglycerin, Dipotassium Glycyrrhizate Ingredients subject to change at manufacturer's discretion

It is a 53-amino-acid polypeptide weighing roughly 6,200 Daltons, which immediately makes it too large to cross intact stratum corneum at meaningful concentrations
Do nasal spray kits work without UV exposure