Set includes: – Redken Acidic Bonding Concentrate Shampoo 300ml: Redken Acidic Bonding Concentrate Shampoo is Redkenu0027s most concentrated all-in-one formula for all hair types and textures. This ultra-rich and luxurious shampoo provides intense conditioning, reduced breakage and colour fade protection. Featuring Citric Acid, an alpha hydroxy acid within the concentrated bonding care complex that conditions to help protect weak bonds and helps to improve hairs strength and resiliency after bleach or colour services. This pH-balancing shampoo is specifically formulated with an acidic pH to help to defend against the potential negative effects that can be caused by hair colouring, lightening and heat styling. The result? Hair that looks and feels healthy!To use: Use as a complete regimen with Acidic Bonding Concentrate conditioner. Apply to wet hair, lather and rinse. Follow with Acidic Bonding Concentrate conditioner. In case of contact with eyes, rinse them immediately.- Redken Acidic Bonding Concentrate 5-Minute Liquid Hair Mask, Bond Repair and Hydration 250ml Introducing Redkenu0027s Acidic Bonding Concentrate 5-Minute Mask. Get Bond Repair for up to 3x stronger hair, hydration u0026 strength repair after every use. This intensely nourishing and hydrating mask is targeted at repairing hair from the deepest levels of damage and formulated with 16% Citric Acid, small enough to enter hair fibres and known to strengthen hair and Conditioning Care Complex. This innovative bonding mask contains a high concentration of conditioning oils and cationic agents, offering up to 72 hours of ultra-hydration and 2x more shine. This quick and easy-to-use hair mask is perfect for all hair types and textures, including colour-treated hair without stripping hair colour.To use: Use as a complete system with the Acidic Bonding Concentrate Shampoo. After shampooing, apply to wet hair from mid-lengths to ends. Leave on for 5 minutes and rinse thoroughly. Use at least once per week or as often as needed.