The winner is @doctorcrypto, for guessing a bottle of hemorroid cream. Although he was joking about the contents, and also the contents were less important, he is the FIRST to guess a plastic bottle with something soapy or creamy in it. So he wins! The real answer is liquid soap, and some of you guessed shampoo, mayonnaise, bodywash, etc. So kudos to all of you for guessing correctly! But @doctorcrypto was first.

Be sure to go visit his page and take a look at his content in general. He does great work!