The OYA COLORIST allows the OYA hairdresser to easily formulate hair color. It represents a 24/7 resource for the hairdresser. The OYA COLORIST is the perfect tool to provide ease and comfort for those that are intimidated by the process of color formulating and it provides an easy-to-use formula database for those hairdressers that apply high volumes of OYA hair color. For those hairdressers that wish to brush-up on their product knowledge and color techniques, the OYA COLORIST allows them to access our OYA online video education at any time from any place.