"Role of topical peptides in preventing or treating aged skin." International Journal of Cosmetic Science
If youre sexually active and dont want to be pregnant, use a reliable birth control method while on GLP1s and tell your doctor who is prescribing or providing your birth control that you are on a GLP-1

THNH PHN: Water, Dipropylene Glycol, Caprylic/Capric Triglyceride, Niacinamide, Cetyl Ethylhexanoate, 1,2-Hexanediol, Squalane, Dimethicone, Glutathione, Cetearyl Olivate, Polysorbate 20, Phenoxyethanol, Sorbitan Olivate, Cetearyl Alcohol, Triethanolamine, Carbomer, Tocopheryl Acetate, Adenosine, Glycerin, Butylene Glycol, C13-14 Isoparaffin, Xanthan Gum, Disodium EDTA, Oryza Sativa (Rice) Bran Extract, Milk Protein Extract, Punica Granatum Fruit Extract, Cornus Officinalis Fruit Extract, Rosa Damascena Flower Extract, Pulsatilla Koreana Extract, Hippophae Rhamnoides Fruit Extract, Rosa Canina Fruit Extract, Zanthoxylum Piperitum Fruit Extract, Usnea Barbata (Lichen) Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Laureth-7, Centella Asiatica Extract, Glyceryl Acrylate/Acrylic Acid Copolymer, Fragrance, Ethylhexylglycerin, Kojyl Carboxy Dipeptide-23, Caprylyl Glycol
doi: 10.1016/j.celrep.2018.02.041 73 CuiHZhaoGLiuRZhengMChenJWenJ
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The post attributes it to three overlapping mechanisms