All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Wondering how to ...

Plus, 10 more picks for top-quality hair health.

Split ends are to hair what acne is to skin — a frustrating beauty dilemma that can be stubborn to fix. Many hair care formulas on the market claim to “zip up” or seal split ends, but is this actually ...

Surprise! Something as simple as combing your hair can cause splits if you're too aggressive. "Stop brushing your hair like you're chopping wood," Cash says. "Hair is fragile, so treat it delicately." ...