For example: Say I use Instant Shine every day. Would the “feel good” effects of it start to decrease after repeated use? I was just curious. 
Yes, it certainly happens. With those mixes that work well on yourself, that’s unfortunate. With those that are not good for you but for others (like Instant Female Magic), thats fortunate.
The bad thing about habituation is that pheromones are not that easy to use like a medication. Habituation can also happen in those who are frequently around you.
With some products, like A314, it apparently does not happen so much for some people. I wish I knew why.
I have also found that I feel like I don’t react so some pheromones any more by myself, because I don’t notice a change in mood. Yet, when I carefully analyze my behavior, they still seem to work, I just got used to the better mood and this is why I don’t notice it any more.
I hope this makes sense.
Sunny
With daily use of the same product/phero, same dose, no change or breaks, usually the person get adapted a bit to it.
For example, the initial effect of first few days of Anone, aggression and intensity, cools down significantly after 2-3 weeks of daily use. Exact dose daily. Same with the bright Anol reaction on oneself.
Did not notice the OD making things any faster.
If you change doses, mixes, products, that adaptation is well reduced. You still adapt tho to the products a little, as if your body knows what to expect.
I agree with you. Except for Pherlure. At first it was okay. The more i wore it, the more depressed I became.
In particular, high doses of some products - such as TAF - seem to burn up some neurotransmitters and you may see reduced effects subsequently unless you replace via consuming amino acid precursors. Shine might be somewhat subject to this too.
Why did it make u depressed? I haven’t really noticed a change in my mood with the effects of Pherlure, but i have noticed that girls have checked me out due to it. But the only thing is, i found out that i can’t put it on at home, it makes my mom sneeze like hell and she says it sticks so now i am going to have to keep a bottle in the car with me.
My mom GOES psycho on me when i wore Pherlure beside her. Like i said before, i almost get kicked out of the house everytime i wear it! She told me that her nose was in pain and it made her depressed (she doesn’t even know there are pheromones in it). It also made me depressed i don’t know why.