John Frieda, the celebrated hair stylist whose eponymous shampoo line made him a household name, has died at the age of 75. His death was announced Tuesday evening via a post on his Instagram account.

"Our dear John passed away peacefully surrounded by his family," the post read. "John was more than a mentor to us; he was a true icon of the hair industry. He was the person who taught us everything, believed in us, and made us better. His talent and passion touched so many, and his legacy will live on in every single one of us. We will continue to do him proud. Our thoughts are with John’s family and everyone who loved him. Rest in peace, John. You will be forever in our hearts."

Frieda, whose high-profile clients included Princess Diana and Joanna Lumley, was also known for his 14-year marriage to music star Lulu. He built a business empire with his range of hair care products, achieving millionaire status.