And partner Ralf Dümmel promises: "With another medical product, I sold 100,000 units in teleshopping within 23 minutes." However, they both want 12 percent each of "BLISSAND", ...

Ralf Dümmel also makes an offer: "Your pitch here is super strong and super honest. The target group is gigantically large." And Dümmel, who jumps up cheering and hugs them both, gets the deal.

Only Ralf Dümmel (58) shows continued interest - and initiates exciting negotiations over company shares. Both sides finally agree on 30 percent for 240,000 euros.

Ralf Dümmel, the businessman who decided to invest €30,000 in the product, took to Instagram to say sorry for not having given enough attention to the topic of periods.