Color Edge CURL BOOSTER is a medium strength gel that lifts curls instantly. Flexible curls that are full of bounces and shine, but not made to feel sticky. Great for bringing back an “old” perm to life and keeping curls from becoming frizzy. Color Edge CURL BOOSTER is a medium strength gel that lifts curls instantly. Flexible curls that are full of bounces & shine but not made to feel sticky. Great for bringing back an “old” perm to life and keeping curls from becoming frizzy. http://www.trycoloredge.com/products/styling/curl-booster.html