I've got a very keen sense of smell (I can tell whether a newspaper or book is printed on recycled paper from smell alone), and the amount of Lysol used in Hiltons has certainly gone up, nevertheless I don't think it should be bothersome to humans. Dogs may be another matter. I've only had one stay, at a Hampton by RDU, where the smell really was over the top, and that was back in May. The owner of that particular Hampton was going above and beyond and using multiple cleaning products, not just Lysol, or Dettol to use the marketing name used in many places outside USA. It's a bit easier in some places in Europe and USA where hotels are leaving gaps between guest stays due to low occupancy, so the guest leaves day 1, day 3 it gets cleaned, day 4 someone is booked into the room. This is less of an issue than a smoking room convered to non smoking, for which even a gap of 3 years is too short for me in some cases.

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