Can a large bottle of shampoo and shower gel pass the train security check?

Of course, the articles you mentioned belong to ordinary daily necessities, not inflammable and explosive articles and controlled dangerous goods, not drugs and restricted articles. It is no problem for you to carry it in a box and pass the security check.

20 17 "Regulations on Passenger Security Inspection on Railway and Highway" stipulates that in addition to inflammable, explosive, highly toxic, corrosive, radioactive, infectious disease pathogens and other substances, as well as firearms, ammunition, controlled knives and other items that may endanger public safety, kitchen knives, dinner knives, large fruit knives, handicraft knives, etc. , does not belong to the scope of controlled knives, and it is forbidden to carry it with you. Choppers, knives, butchers, axes and other sharp and blunt objects that may endanger the personal safety of passengers; Nail guns, defenders, bows, crossbows and other instruments are prohibited from being brought into the station.

In addition, the number of items that can be carried in limited quantities, such as safety matches and ordinary lighters, has been adjusted. For example, the self-spraying pressure container of mousse, hair gel, insecticide and air freshener that passengers can carry is compressed from 600ml to 120ml, while the nail polish, matting agent and hair dye are still 20ml. Safety matches are limited to two small boxes; Ordinary lighters can only hold two. The new railway safety regulations prohibit the use of scissors, hammers and lighters.

It is also known that the new catalogue has also added prohibited items that endanger traffic safety or public health, including strongly magnetized items that may interfere with train signals, items with strong irritating smells, and items with bad smells. In particular, "living animals" such as pets and poultry are listed separately, except for guide dogs.