Bustle chatted with the founders of buzzy beauty brands like Dieux, Saie, Glow Recipe, and more to predict the biggest 2025 beauty trends across makeup, skin care, and hair care.

An oldie but goodie, hairstylists and testers alike rave about this hair oil and its ability to tame frizz—even in the most humid summer weather. It's powered by argan oil, which has a high ...