I know YSL under Loreal Group,I had complainted YSL a serveral time,Loreal Group Tel no.28281300,you phone up this number,then receptionist can link the line to the YSL customer service executive(and all ba training officer),I remember the officer is female(Ms Pang). She stated that she welcome hongkonger to make a enquiry to her and any question in connection with YSL products/ba attitude. She officer hour(MON-FRI,0930-1800 hrs)five day work,Lunch time 1300-1400 hrs. all sisters can made a voice mail and left the message to her. She will be replied that a.s.a.p.
Remember this information. In additional,Lancome,Biotherm,Dior,YSL, G.Armani,Bobbi Brown,Vichy,the below brand under Loreal Group,the customer line as same as 28281300.Phone up this number,then receptionist can link the line the above brand customer service executive la.