Cosmetic packaging bottle cap is worth to pay close attention to the existence of pollution

Some time ago, about beverage closures seal has the problem of pollution transfer. Someone to do the experiment, the drink into the ink bucket, found bottles black, beverage bottle seal problem was grilled. Some experts have suggested a drink bottle don't contact, lest because of beverage closures seal is lax bacterium harm human body.
for beverage bottle sealing technology, it is widely used in the field of cosmetic packaging bottle. The sealing type because of low cost, mature technology at the same time, so almost ordinary plastic bottles