Yves Saint Laurent (YSL) is a global top fashion brand, which was founded by Yves Saint Laurent and Pierre Berger. -The brand was founded by Yves Saint Laurent and Pierre Bergé in 1962. YSL products include fashion, cosmetics, skin care, perfume, jewelry, etc. The brand's designs are both avant-garde and classical, with models wearing no bras to showcase thin, see-through fashion.