Kjaer Weis Lengthening Mascara in Black. Kjaer Weis Lengthening Mascara in Black. With an organic formula that glides on easily and creates incredible length and volume to lashes, Kjaer Weis Mascara is easily a game-changer. A specially designed wand creates a clump-free look by adding just the right amount of mascara for the natural look.. Black - true black. Contains luxurious, organic ingredients such as Sweet Almond Seed Oil, Jojoba Seed Oil, Rosa Rubiginosa Oil, Beeswax, and Carnauba Wax. Certified organic. 0.19 oz. Best paired with Kjaer Weis Eye Shadow. KJER-WU16. 11290019. Taking inspiration from her upbringing in the Danish countryside and years of globetrotting as an international makeup artist, Kirsten Kjaer Weis developed her eponymous beauty line to bridge the gap between efficacy and purity in the organic cosmetics industry. She sought to create a line of organic cosmetics that didn't compromise performance and luxury. The result: luxurious, high performance, quality organic makeup that was also beautifully packaged. Kirsten's years of experience on celebrity and fashion photo shoots have paved the way for her tightly edited collection of products, and a color palette that enhances a woman's natural beauty. The lush textures come from only the finest ingredients, sourced from around the world.