Boost the radiance of your red hair with the Schwarzkopf Professional BC Bonacure p H 4.5 Colour Freeze Vibrant Red Micellar Shampoo. The perfect way to make your fiery colour pop, p H 4.5 Colour Freeze Vibrant Red Micellar Shampoo will gently & effectively refresh your hair with its mild cleansing base whilst protecting your colour. An excellent all-rounder shampoo for those with red hair, the caring formula will help to strengthen the structure of every strand while balancing the p H of the hair so that you're closer than ever to zero colour fade. Apply to wet hair. Massage gently & leave for 1-2 minutes. Rinse thoroughly. Hair colourants can cause severe allergic reactions. Always read & follow the instructions on the bottle before use.