David had passed his NEWT's in transfiguration, potions, and charms, and was certain about this. "We aren't trying to hide or destroy the blonde hair this way. Nor are we covering up the blonde on any of the strands of blonde hair; we're simply re-arranging the hair itself. Besides, dark lowlights with this blonde hair is very in right now. This should make you look at least 10 years younger, and you can seduce your wife this way."