Yes, I’ve been playing around with P103 for a couple of weeks. It does last a very long time. I’ve felt effect up to 9 hours after application with no cover and no scent. I get the same effects with small doses (0.6 mcg) as I do with larger doses (25.0 mcg). I haven’t found much effect on others, even at less than 5 feet. Maybe with better diffusion that might change.
For me, P103 quiets down the thoughts and makes stuff viceral. It takes all the frontal stuff and puts it all in the background, and makes me drop things, and makes me really sleepy, and very, very forgetful. 
It is very hypnotic and sedating. I had hoped that it would be a more otherworldly element, but for me it is not - with the exception of using it with meo-est. But even there, I’m not sure that either Alpha- or Beta Androstenol wouldn’t be better. I’m trying smaller and smaller doses to see if this one might have a sweet spot for me. So far I really haven’t found it. I’m still trying.
I tried using P79 to kinda wake up the P103 just yesterday. But, P79 + P103 is a woinky roller coaster. All that stuff P103 puts in the background, P79 launches into space… then P103 grabs it, puts it back in the background… P79 launches it again. TAF makes it higher and lower. It was kinda like two dancers with different styles both trying to grab the lead, with TAF being the spotlight.
So, do you find P103 to be exhilarating or sedating? Does it cut through barriers for you, or do you just forget they are there?
Diane