huàn fàxíng qián xiān gàosù lǐfàshī zìjǐ píngshí huì bu huì chuī tóufa yòng bu yòng fàlà

换发型前，先告诉理发师自己平时会不会吹头发、用不用发蜡。

Before changing your hairstyle, tell the hair stylist whether you usually blow-dry your hair or use hair wax