hair and specialized baby hair extensions in multiple lengths, shades, and textures. Hairstudio also sells home-use hair care items, including nourishing shampoos and protective serums formulated to support extension durability. In addition, it delivers structured hair extension training through masterclasses and practical courses for aspiring and practicing stylists. These services and products target regular salon clients, freelance hairdressers, and external salons seeking both treatments and wholesale inventory.