At ibruno, it appears as though the vitamins makes the hairs maybe grow a tad faster, and I'm seeing more vellus and those little black hairs. But I don't know if this is only because I've grown older over the past month (length of time I've been taking them) or if it's the vitamins themselves. And I kind of am hard on myself about my hair, but that's because I see my friends some with my same amount of growth, or hardly any. Or a few of my friends which can grow actual sideburns and goatees or whatever. My one friend has a full legit beard (if he grew it out, he sometimes goes to a couple weeks, then shaves) I can remember back to grade 9 (age 14) with it being around the same it is now. It's pretty cool.