This week, Balmain Hair celebrates its 50th anniversary with the launch of hair fragrances. Scent continues to dominate the space with the launch of the new brand Side Story and Grooming Lounge's expansion into the cologne category. Zara has launched hair accessories with respected hairdresser Guido Palau, and PLA Nails has launched DTC. Here's what else happened in beauty over the past seven days:BRAND
