What are the symptoms of head lice?

What are the symptoms of head lice?

Marilyn Sherlock (Trichologist) gives expert video advice on: How do you treat head lice? and more...

Symptoms of head lice are very obvious. It's intense irritation. The individual will be scratching regularly particularly when they are warm and on warm spots of their head. Usually, irritation will occur in the nape of the neck or if there is a ponytail, for example, under there where the warmth is, because that's where the lice will prefer to live.