Near by my home there are barber shops they use to throw wasted hair in dustbin and due to that when it burns it gives bad smelling.

How i can suggest them to dispose that hair or any recycle process so that it prevent from bad smell.

Near by my home there are barber shops where they throw hair clippings in the dustbin and when the contents are burned it gives a bad smell.

How I can suggest them to properly dispose or recycle the hair clippings, so we can prevent this bad smell.