The fullness and colour of a head of hair are down to the activity – or lack thereof – of the hair bulb, the reproductive part of hair follicles. But what exactly is its role and how can we best ensure its optimal function?
In this article, Masakazu Hashimoto, Research Scientist at Ichimaru Pharcos, answers these questions and discusses a Nasturtium officinale leaf/stem extract which has been developed to increase hair diameter and density, while reducing greys.