Keratin Perfect Keratin Brightener Shampoo and Conditioner (Set of 2) Give your hair a colour boost with the strengthening Keratin Perfect Keratin Brightener Shampoo and Conditioner (Set of 2) ($13, originally $15). Image Source: bedbathandbeyond.com Keratin Perfect Keratin Brightener Shampoo and Conditioner (Set of 2) $13 from bedbathandbeyond.com Buy Now