KIERIN NYC is an American eco-luxury niche perfumery founded by Mona Maine de Biran. Dedicated to sustainability and creativity, KIERIN crafts vegan, cruelty-free perfumes and luxury candles in collaboration with award-winning perfumers. Inspired by urban life and art forms like graffiti, tattoo, and pop art, their collections—including Nitro Noir, Sunday Brunch, and Rose Ink—tell stories through scent. With bold, clean formulations and eco-friendly packaging, KIERIN empowers individuality and conscious living. Their products come in convenient travel sprays and full-size bottles.