When wash your baby's hair, water will not run to the baby's face. To prevent the shampoo & water touches the baby's face and eye, and pour in ear. Make the shampoo a funny experience for the kids. Adjustable bath hat for kids ,children,etc.
If your shower enclosure fails you have big problems (leakage in the floor below, an expensive repair etc. This article provides 5 key tips to make sure you'll get it right the first time (including using these waterproof wall backer boards).