When I sorted through my inventory the other day, I noticed that I have dozens of hairstyles from one brand and only a handful or none at all from others. WHY? Sometimes it's because brand A has cuter styles that appeals to me more but let's just pretend that brand A and B both have cute styles at similar prices and I adore them both. Brand A fits 90% of the time straight from the vendor, whereas with brand B, the demo doesn't fit right and I can already tell that I will be remaking the hair pretty much, which I hate.
[ Example Brand A | Example Brand B | Example Brand C ]
For example, with hair A, most of the time it's a perfect fit and I don't have to move a single prim, but when I do need to modify, it's very slightly. Modding hair A would take me 10 seconds at most (edit, stretch a few decimals, done).
Hair B on the other hand, takes a bit of work. Maybe I can stretch it, but I also have to move some prims around too, since I don't actually want to stretch too much and have the bangs be floating too far away from my face. It all depends on the style.
Hair C, I'm actually going to avoid buying completely. I can already tell that I'll be spending most of the evening remaking this hair since too many prims are sunken into my avatar's head.
I can mod hair prims, and even with hair C, I did a pretty good job and kept the integrity of the hairstyle as the hair maker intended, but it wasn't fun! I don't mind modding hair, but I mind when I've purchased a fatpack and I have to do anything more than just simple stretching. I like all my hairs to be modded the same way, and it bugs me when modding a hair involves more than a dozen steps, ugh.
So yeah, hair makers of Second Life, if you care… that's the reason why I don't have more of your hair or none at all. They don't fit me! Your head/profile is too long, too flat, too short, too round, too narrow, too small, etc. When I buy a new hairstyle, I just want to wear it and not feel like I'm assembling hair from a DIY kit. I'm pretty happy when hair fits right out of the box, see below:
Some of my friends will avoid hair brands because "the hair doesn't fit". For me, where there's a fashion will (like I totally love your hair), I will find a way to make it fit. But for some others, maybe they're not good at modding prims and they just want to look cute right away? Your hair brand is now less appealing, and may even be avoided.
I'm just saying! I might be a minority opinion, I might not. If you want to be as popular as hair A, maybe its because hair A fits the majority of the customers that passes through, whereas hair C sends the newbies running cos they've written your brand off after trying on demos.