Johnson's Baby Classic Shampoo Children continue to develop their hair and scalp up to approximately 12 years of age. This means that children need a hair care specially designed to be gentle while offering advanced benefits. Johnson's Baby Classic Shampoo is our softest baby shampoo and has been specially designed to gently clean baby's fine hair and delicate scalp. Allows for quick soapy and easy rinsing, leaving your baby's hair soft, shiny, manageable and clean. Perfect for children and adults alike.