Amika Fadeblock Pre-Shampoo Colour Seal Help colour-treated hair stay as vibrant as possible before your next salon visit with the Amika Fadeblock Pre-Shampoo Colour Seal ($25). This product not only seals cuticles and balances your pH level to prevent fading over time, but also helps in saltwater and chlorine situations, too. Image Source: sephora.com Amika Fadeblock Pre-Shampoo Colour Seal $25 from sephora.com Buy Now