You decide to take this even further and add that all the new women will find the feel of fresh semen on their skin -especially on their face- incredibly satisfying and addictive. Too the point the new women will work to get facials from different guys throughout the day. Most of them getting on average ten facials a day and often from total strangers plus they rarely wipe the semen off until hours later. You also make it so even if the friends and family are disgusted by this they won't do anything to force them to stop.
In the coming days it becomes quite easy to tell who's used these bottles as all you have to do is look for the women with faces plastered in cum and a big smile.