FloraGLO Lutein Topical, from Kemin, has displayed its effectiveness in shielding skin against High Energy Visible (HEV) light. People are exposed to HEV light through both natural light and predominantly man-made light, being used to illuminate the screens of electronic devices such as computers, televisions, and mobile phones.
“The challenge was clear. We have long known that HEV light, more commonly called blue light, has adverse effects on human skin cells such as inducing their cytotoxicity, decreasing their proliferation and generating oxidative stress,” said Satish Nayak, PhD, research and development director for the personal care division at Kemin Industries.
With that knowledge, Dr Nayak’s research and development team went to work to find plantbased bioactive options for shielding against the unhealthy effects of blue light and test its efficacy.
Kemin conducted in vitro studies to specifically identify the blue light absorbing capacity of FloraGLO Lutein Topical at different concentrations by measuring two parameters: the cell viability as the percentage proliferation of metabolically active human epidermal keratinocyte (HEK) and human dermal fibroblast (HDF) cells exposed to blue light for 9 hours; and the intracellular Reactive Oxygen Species (ROS) released in cells, in response to blue light exposure.
The results showed that when HEK and HDF cells were exposed to blue light in presence of FloraGLO Lutein Topical, the cell viability was improved by 35%-45% compared to the blue light control, indicating that FloraGLO Lutein Topical effectively reduces the cell damage imposed by blue light.
