Noelly Michoux, a French entrepreneur of Cameroonian descent, realised early on that she couldn’t find skincare products for her skin tone in the secluded part of Normandy where she grew up. She decided to found 4.5.6 Skin which develops skincare products for people of colour, including cleansing gels, moisturisers and exfoliators, all developed in its lab in Chartres, the French cosmetic valley near Paris.