The Oil That ‘Helps With Hair Growth’ & Yields Results In ‘a Couple of Weeks’ Is on Sale For $9 The Citizen 2 years ago It’s the No. 1 best-selling hair treatment oil on Amazon. Source: Stylecaster.com Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Click to share on WhatsApp (Opens in new window) WhatsApp