In the U.S., it’s usually the manufacturer or brand owner who holds the responsibility.
In the UK/EU, it’s the importer, but your reputation is still at stake if things go wrong.
Have you ever accidentally washed your hands with dandruff shampoo? Or realized that nice lotion you’ve been massaging into your cracked heel is, in fact, meant for hip and joint pain? Or maybe mistook your kid’s gummy vitamins for apple rings?