Audrey Hepburn had Hubert de Givenchy. Catherine Deneuve had Yves Saint Laurent. And Maria Callas had Elvira Leonardi Bouyeure, known to her friends and family as Biki, the Milanese dressmaker whose ...
When you buy through our links, Business Insider may earn an affiliate commission. Learn more If you struggle with dry, damaged hair, then you know that there are dozens — if not hundreds — of ...