How To: Achieve Straight Hair Without Use of Heat

Transforming wavy hair into a stick-straight style often involves the copious use of chemicals, hair dryers, and flat irons which are most follicle-damaging heat settings. But women have been straightening their hair for decades without heat. So, for those looking to achieve straighter locks without risking damage, here are seven professional DIY tips for straightening hair the heat-free way.