Evonik develops a skin microbiome model, enabling more accurate laboratory testing of cosmetic ingredients and their impact on microbial communities. Personal Care Insights talks to Stefan Pelzer, head of microbiome research at Evonik, to learn how the model replicates realistic skin conditions and marks an advancement in evaluating microbiome interactions. The development allows cosmetic brands to make scientifically substantiated claims about microbiome-friendly products, addressing growing consumer demand for efficacy data. The chemicals company is also developing models for acne-prone skin and exploring further enhancements in collaboration with industry partners.