source:[1] Want Thicker Hair? These Natural Tips Actually Work, Stylists Say - Real Simple (https://www.realsimple.com/how-to-make-hair-g ...)[2] How Haircare Is Borrowing from Skincare’s Playbook - Vogue (https://www.vogue.com/article/how-haircare-is ...)[3] Embryonic innovation: demystifying human placenta formation using stem cells - BioTechniques (https://www.biotechniques.com/cell-and-tissue ...)