I had ordered one gillette mac 3 refill cartridges last year after seeing on amazone.It said that you would get 3 free cartridges in addition to 12.After receiving the same, only 12 were there.I immediately contacted the customer care and the lady on the other side informed me that I would get full refund( ₹990) of the said order and moreover I need not send back the 12 cartridge item.It is really very good to note that they do care for the customers.