Renew hair with extreme strength using the Redken Extreme Duo. Ideal for damaged hair, this shampoo and conditioner duo powerfully provides hair with the strength it requires to prevent split ends, hair breakage and damage. The formula of these products is fortified with hair-loving proteins that reach hair deep within the fibre, creating stronger and healthier strands. Studies have shown that when this shampoo and conditioner are used in tandem they can reduce hair breakage by up to 75%. The Set Contains: Redken Extreme Shampoo 300ml This shampoo effectively cleanses hair whilst helping to fortify against damage. This product uses an RCT protein complex, fit with three hair-healthy proteins that treat hair at its root, core and tip. The protein-enriched formula restores hair that has been weakened by colour, heat-styling and bleach damage, creating stronger hair that looks healthier and shinier. To use, apply a small amount to wet hair, allowing it to foam while you massage it into roots. Rinse thoroughly and follow up with conditioner. Redken Extreme Conditioner 250ml A Redken best-seller, this strengthening conditioner protects hair’s natural shine, works to repair damage and produces soft and supple tresses. Use this conditioner to detangle and smooth after shampooing, smoothing the product through hair before rinsing. For a more intensive and penetrative treatment, leave on for 5 minutes before rinsing.