OYA Lotion Developer Choose Your Volume

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4 dedicated lotion for use with OYA Permanent Color:* 10 volume (3%) for all gray coverage and deposit only* 20 volume (6%) up to 2 levels of lift* 30 volume (9%) 2 to 3 levels of lift* 40 volume (12%) 3 or more levels of lift 1 dedicated lotion for use with the OYA Demi Permanent Color:* 5 volume (1.5%) deposit only Listed with ExportYourStore.com Show more