As already described in many predecessors. Thing is beautifully finished. Easy. Easy to use. Only our child still can not wash your hair. It seems that water generally from above the problem and not the shampoo. Our child is still too small, than I could ask it what is so bad at washing hair. Unfortunately, the thing is not exactly cheap, so if you are sure that it / is Schampoogemisch the water that the "Scream attack" triggers, then the shampoo protection is right for you, otherwise it will certainly more of a risk purchase as ours ,