Root Touch-Up Kit for Resistant Gray Hair - RTUK X BLACKBenefitsMaximum Gray Coverage: Designed for resistant grays, this kit provides complete coverage, leaving roots undetectable.Permanent Color: Enjoy long-lasting, professional-quality results that blend seamlessly with your existing color.Gentle Formula: Effective yet gentle, this formulation is ideal for sensitive scalps and repeated use.Convenience: Each kit includes enough product for two full applications, making it easy to maintain...