Bosley Boss Revive Non Color Treated Hair Kit by Bosley for Unisex 3 Pc Kit 5.1oz Nourishing Shampoo, 5.1oz Volumizing Conditioner, 3.4oz Thickening Treatment range_Neroli & Orchidee A neutralizing blue additive for 207520 A neutralizing blue additive for highlighted or color treated dark blonde hair Helps neutralize orange undertones while enhancing dark blonde hair Includes carefully selected blue dyes that should be mixed with Blondifier Mask or Serie Expert Powermix Treatment Guarantees long lasting results It comes in longwearing shades from delicate nudes and pinks to steely blacks and includes a rounded brush for optimal application This strengthens and restores vital moisture and nutrients into dry seals in hydration while shielding from frizz and protects color treated hair against fading and dryness