Priscilla Wong dislikes washing hair?

(Picture, from left to right: Louis Cheung, Priscilla Wong, Steve Wong)
Three days ago, Priscilla Wong (黃翠如), Louis Cheung (張繼聰) and Steve Wong (黃家強) were filming the programme, Sze U Tonight (今晚睇李). Priscilla Wong accepted the interview and said: "Since childhood, my mother say it is a good thing not to wash hair. Therefore since young, my sisters  developed the habit of not washing the hair...