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
it actually works !! (sort of):
the owner of that company gets enough money from sales within 2 hours of selling to actually buy an SUV worth the size of a d*** as large as shown in the AD, thus it "works" somehow...