Sunday's Salon Cymru event demonstrates the value of hairdressing to the economy, says hairdressing trainer Shirley Davies-Fox.
"The hairdressing industry contributes £5bn to the UK economy" she says.
"It employs 1% of the adult working population - that is just under a quarter of a million people".
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More than a thousand riders will be taking part in a series of events in and around the town.
Some warm spells of sunshine will develop, although scattered heavy and thundery showers are also expected during the afternoon.
A yellow 'be aware' warning has been issued by the Met Office for much of Wales.