A while back I did a post on one of my favorite, humidity proof hairstyles pin curls!  In my original post, I used Mizanis Thermasmooth Guard Serum, along with a curling iron.  Im still a big fan of the curls, as I especially LOVE the convenience and extra time I have with the no-fuss do, but since Im always trying new products, Ive switched it up a bit. Instead of Mizanis Thermasmoth Guard Serum, I have been using Biosilks Silk Therapy Serum.  The Biosilk serum is more costly, but much lighter than the Mizani serum.  I also replaced the curling iron with a flat iron.  In my experience, using the…