Helen and 晴晴,My son got the same problem for a week. When we took out the basin and take off his cloth. He was cried very loud and said "no no no ..." as before he love bathing very much. Don't know why....one day I noticed that on his 頭頂有手指尾咁長損傷,then i asked my maid, of course, her answered "why, I don't know wor...". Then, i asked her when doing the shampoo for my son, should make it lightly...