Popsugar Beauty Products What Is the Purple Shampoo Challenge on TikTok? The #PurpleShampooChallenge Is All Over TikTok — Here's What You Need to Know 29 October 2019 by Danielle Jackson View On One Page Photo 1 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Previous Next Start Slideshow ProductsShampoo