Payment Plan Options. Through education and the enforcement of the cosmetology laws in CO, the state board ensures the safety, welfare and public health by regulating the salons, schools and individuals who practice cosmetology. Cosmetology Kit w/Mannequin Head, Travel Ready Beauty Chest Made for Beginners! You have no items to compare. Application, Renewal and Customer Questions: Phone:303-894-7800 | Email:dora_dpo_licensing@state.co.us, Phone: 303-894-7800 | Fax: 303-894-0364 | Email: dora_barber-cosmetology@state.co.us,