This post is written by ThisThatBeauty Contributor, Christella Ritchwood. For previous reviews for Christella, click here, here, here, here, and here. Although my curl has calmed down quite a bit since my high school years (hello 80′s hair!), it is still occasionally out of control! When I heard of Keratin Tropic, a 100% formaldehyde-free treatment, [...]