ESLI Proscience Research has launched an active designed to increase hypodermal collagen production. ESLI one (INCI: Not Provided) is a series of plant-derived ingredients that reportedly induces collagen I secretion in human dermal fibroblasts by up to 325%.
In vitro tests were conducted using the series in 18 different formulations. Nine of the formulations increased collagen I expression by over 100%; five by over 150%; and one by 325%. The series is being marketing by the G4 Group.