Keratin treatments are more popular than ever, but are these summer hair treatments safe? These chemical processes promise to smooth and shine frizzy hair for up to six months, but if done in the wrong way, can actually do more harm than good. Ryan breaks down the truth about keratin treatments and Brazilian blowouts – from formaldehyde to breakage – and what you really need to know before you head to the salon.  He also shares his favorite at-home solutions for fighting frizz.