Eyebrow tinting

Anyone had this done? My brows are quite thin now, overplucking over many years. However, there are an increasing number of white hairs which make it look as if there are gaps and I was wondering about getting them tinted.
http://www.vocalvoices.gripsky.co.uk/
http://www.vocalvoices.gripsky.co.uk/viewtopic.php?f=8&t=10453