15 Best Hair Straighteners We’ve Tested (2023): Flat Irons, Hot Combs, and Straightening Brushes

A lot of hot hair tools, including most on our list, claim to release negative ions to protect your hair. I used to chalk this up to marketing-speak, but hairstylists I spoke with say ions are helpful. London-based hairstylist Hollie Rose Clarke says ions in hair tools keep the cuticle layer of your hair smooth, … Read more