This $80 'holy grail' straightener has more than 20,000 5-star reviews on Amazon

HSI AJ-0CM6-QU8D 1-Inch Ceramic Tourmaline Ionic Flat Iron Hair Straightener, The Styler

When it comes to hair products, shelling out big bucks on flat irons and curling wands doesn’t always mean you’ll get the luxurious locks you were hoping …