We were just as excited as the next mane-obsessed gal when Brazilian straightening treatments became the next big thing –– who wouldn't want an effortlessly silky-smooth head of hair? But, after spending hundreds of dollars at the salon and reading up on high formaldehyde levels, we have to admit our enthusiasm was waning...until we heard about Keratin Earth's natural solution. Completely formaldehyde-free, this four-step process straightens your tresses while minimizing damage and lasts anywhere from 30 days to three months. And for just $79.95 on Reserve? Sexy, straight summer hair, here we come.