Well nourished hair is always more flexible! Revlon introduces Flex Shampoos for hair that looks gracious and full of life. The Revlon Flex Hydration Daily Moisture Balance Shampoo with protein conditioning properties gives hair inner strength and flexibility. This shampoo hydrates moisturises hair and is perfect for replenishing the moisture level of your hair. This shampoo is your go-to product for hair that looks enlivened from within.