no it won't. i used toppik and i even used the hairline optimizer(that little plastic spiky thing I think you mean) a couple times. it helps at creating a more natural looking hairline but it won't lower it. it can def thicken the hairline up as well as the rest of your hair by a ton depending on how much you put in haha, but it can't lower your hairline because they're fibers so if you put the fibers below where your hairline is your forehead would just look dirty. same with somethin like dermmatch. not sure what kinda balder you are, whether you're diffuse or receder, but honestly, these products work best for diffusers like myself with relatively intact hairlines. the reason is that us diffusers don't have to create a natural looking hairline because we already have one. we just have to thicken up behind it and on top and if you still have some hair toppik does it great.but it can work for receders too as long as you take care not to try to lower your hairline because you won't be able to. again, all that plastic thing does is will make your hairline look more natural if you wear your hair pushed back or somethin, cause then the fibers will form a more random and natural pattern in the hairline for you.
Little pic of what toppik does:
See, it won't lower your hairline, but will thicken up the hair behind it for sure. Make sure you get the right color though and I hope you aren't blonde because I've talked to blonde users of Toppik and they hate it. The dark colors(medium brown and dark brown and black) seem to blend a lot better, I guess because there's so many diff shades of blonde haha. I used dark brown fibres nd you can check out the color of my hair in some various threads on here so that can give you an idea of what you need.
if you are considering toppik, here's one thing i def recommend buying: the sprayer. my friend owns it and i tried it once after i stopped using toppik. it attaches to the top of your toppik bottle, and first thing to point out, it only works on the small(10.3) grams or large sized bottles(25 grams). It does not work on those giant sized ones(50 gram) because you have to pull the grate thing out of the toppik bottle and stick the sprayer on .
Here's a pic and link:
http://www.folica.com/Toppik_Spray_Ap_d ... fgl_000037
When I used to use toppik(prob used it 20 or 30 times total in my few months on here), I would waste so much by just dumping it on my head. So much of the fibers would get stuck in my existing hair and i'd end up using 4 or 5 times as much as i need. this is obviously expensive because if you do this you're running through a bottle every two months, easily, if not more like one a month.
The reason that spray thing kicks *** is because you can hold it above your thinning areas, like behind your hairline say, and use it in conjuntion with the hairline optimizer even to SPOT spray the toppik onto your head. this way you use only as much as you need and you can make some areas thicker than others to create a more natural look for example. It's great for mild to moderate crown thinning too because you can use a mirror or somethin and spray it right on.
Last thing i recommend to use with toppik is a holding spray, but no reason to buy the expensive sh*t that toppik sells along with the fibers. just buy a cheap bottle of suave holding spray or whatever and use as much as you n eed on your hair to keep the fibers in place. this helps if you get caught in rain or something because then they're a lot less likely to dislodge.
if i were you i'd def go with toppik or with nanogen which i hear is basically the same thing but by a different company, although i don't know if you can get a spray top add on for nanogen like you can with toppik. so i'd prob go with toppik.
i would wager that if your thinning is no worse than moderate(like not severe), you could probably make a toppik large size bottle last you 5 months if you use the spray applicator(that thing i posted above) along with it because you'll be saving yourself a lot of unnecessary extra fibres that will get caught in your hair. seeing as each bottle is only 40 bucks or so, at least in the US you could be using Toppik for $100 a year. And let me tell you, it's a LOT less detectable than any hairpiece on the market, especially if you still have some decent hair left. My girlfriend at the time couldn't even tell I was using it after I told her. The only way she was able to tell was by touching my hair and literally parting it in places like in the middle of my head and then she could see the fibres, but who is gonna do that? She couldn't tell by looking from 6 inches away so this stuff is gold imo. If I ever start to get really bald again I'm def using this.
And it's really nuts that your hairline is still receding on dutasteride. You're sure that it's not just hairline maturation? Er I see you're on it 3x a week. I would honestly take it every day if I were you. That's what I'd do and you'd probably see the recession halt if that's what it is.