For stronger and healthier brunette hair. The Fudge Cool Brunette Blue-Toning Conditioner is a dual-force conditioner that contains max-strength blue micro-pigments that instantly erase unwanted red and orange tones from brunette hair, whilst the unique Opti-PLEX™ technology penetrates deep into the hair core to reconstruct bonds after chemical, styling and environmental damage, as well as weightlessly smoothing the cuticle.