Oligo CALURA Permanent Shine Hair Color | Ammonia & PPD Free | Level 6 Try Me Kit Features and benefits of oligo color are exothermic technology, ammonia and PPD free, pure certified, organic essences, keratin, complete range of creativity, six series with 100%, white coverage, five levels of lift with pure blondes. Oligo professional level 6 try me kit includes: 1-20 volume 6% developer 8 FL oz 1-6 neutral 2 fl oz 1-6 intense neutral 2 fl oz 1-6-18/6AB 2 fl oz 1-6-318/6GAB 2 fl oz