If you've spent any time on social media lately, you've probably seen it: hair so glossy it looks like a mirror. Razor-sharp. Impossibly sleek. Lit from within. It's called glass hair, and it's the defining beauty moment of summer 2026.

Frizz appears when the cuticle layer of the hair is raised, allowing moisture to pass through and dehydrate the strands while the natural oil flow from the sebaceous glands on the scalp does not flow as it should. As a result, hair becomes dry and frizzy.