Wtf, it's some kind of magical elixir you're supposed to dribble directly onto your dick 
Every detail about this ad is so fucking funny, from the roaring wolfman to the text.
AliExpress is a Wild West of shady medical products like these. Why does Elon Musk spend tens of thousands on hair plugs when he could buy a Chinese remedy that would give him a full mane of hair in a week for 10 bucks
The number is almost certainly made up
A lot of shopping websites have some javascript to invent a random number of people who are either looking at the item, or have added it to their cart
The smart ones will tie it to a cookie so if you refresh the number doesn't go down but only up