𝗛𝘂𝗺𝗮𝗻 𝗵𝗮𝗶𝗿 𝗴𝗿𝗼𝘄𝘀 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 '𝗽𝘂𝗹𝗹𝗶𝗻𝗴,' 𝗻𝗼𝘁 𝗽𝘂𝘀𝗵 𝗳𝗿𝗼𝗺 𝘁𝗵𝗲 𝗿𝗼𝗼𝘁𝘀 [via QMUL] 🧪🥼👩🦱⬆️⚕️
"reveals that hair growth is not driven only by cell division – instead, outer root sheath actively pull the hair upwards."
www.qmul.ac.uk/media/news/2...
#human #hair #growth #sheath #pull