They’ll last the whole night through and, once the fun is finished, all it takes is a quick wash to restore your hair back to normal!. Whether it’s for your little girl, a Halloween fancy dress, a super-glam birthday party or a knock-‘em-dead night out, these hair chalks take the hassle out of adding some brilliance to your Barnet!. 100% Safe, CE En71 Certified - Non-toxic and Water Soluble. It can also be used as face painting. To remove it, just wash with ordinary shampoo and water. They’re easy to use: just make sure your hair is damp and add streaks, patches, and colours wherever you want! A quick blast with a hair-dryer locks the colours in place. From Glitzy Gurl UK - Inlcuding 10 amazing colours in each Glitzy Gurl Hair Chalk Set, 80 applications per pen, you can create your own colour-scheme and perfectly complement your look.