Brazilian blowout, Japanese or DIY? The straight scoop on hair straightening treatments

Lan N. Nguyen
Jessica Simpson at a salon
Jessica Simpson at a salon

Americans take hair care very seriously, spending some $10 billion on everything from shampoos to visits to the salon, according to global market research firm Euromonitor International. A chunk of that, about $204.7 million, is devoted in part to taming curly, frizzy and unruly hair.

Before you settle in that salon chair and ring up a bill that could top $1,000, here's what you need to know about today's most requested hair straightening treatments: