14 Nov 2023 --- German color cosmetics manufacturer and supplier Schwan Cosmetics is showcasing its refillable mechanical lip liner called PowerUpYourPout at Cosmopack Asia 2023 in Hong Kong starting today until Wednesday. Personal Care Insights speaks to Dr. Alexander Doll, SVP of R&D at Schwan Cosmetics and Sandra Schäfer, sustainable product development team lead at Schwan Cosmetics, about its new refillable lip liner and how the cosmetic industry has been shifting toward implementing reusable makeup solutions in a push for environmental sustainability.