Cessnock girl Beth Ryan would be among the youngest.

Beth, who is 10 years old, had her head shaved at Bunnings Warehouse Cessnock on March 18 – raising $2700 for the Leukaemia Foundation.

Beth’s hair will be donated to a charity that makes wigs for sick children.

Her mother Joanne said Beth was inspired to ‘be brave and shave’ after seeing a family friend go through treatment for a brain tumour.

“She said ‘my hair will grow back, some people don’t get the chance’,” Ms Ryan said.

“There are no words to say how proud of her we are.”

Money raised from World's Greatest Shave funds blood cancer research and free support through the Leukaemia Foundation.

The Leukaemia Foundation is the only Australia-wide charity dedicated to the care and cure of people with leukaemia, lymphoma, myeloma and related blood disorders.

More than 13,000 Australians will develop leukaemia, lymphoma or myeloma this year – or 35 people every day.

Blood cancer claims the lives of more Australians than breast cancer and melanoma. It can develop in anyone, at any time at any age.

The Leukaemia Foundation’s World’s Greatest Shave began back in 1998 and today, is one of Australia’s biggest fundraising events.

This year’s event has raised more than $12 million Australia-wide.

Donations can still be made at worldsgreatestshave.com.