How the skin microbiome influences ingredient action of cosmetics. Through their effects on metabolism, bacteria in the skin affect whether active ingredients will be safe and effective for human health. (September 2021) - Corriou, A.; Rocha, V.; Reynaud, R.; Scandolera, A.; De Tollenaere, M.; Auriol, D.; Robe, P.; Don Simoni, E.; Benedicte Sennelier-Portet, B.