When healthy hair is wet, it can stretch in length by up to 30 percent, while still being able to return to its original length after drying. . 𝗜𝗳 𝘆𝗼𝘂 𝗹𝗶𝗸𝗲 𝗶𝘁 𝘁𝗵𝗲𝗻 𝘀𝗵𝗮𝗿𝗲 𝗶𝘁. @MindBlowingFacts 1.6K viewsedited 12:35