I currently use them. I have only been using them for 2 months. I don't measure my hair. I don't believe most of the claims that I see on social media about the HSN vitamins and I personally think the distributors that are posting the ridiculous result pics are doing a disservice to themselves and the company.
I have been taking other It Works vitamins/supplements for years and they work really well for me (eczema went away, I never get sick), so I figured the HSN vitamins would be good too. I just haven't paid attention enough to my hair to really say I see a difference. I personally don't believe any vitamin can make your hair grow 2 & 3 inches in 3 weeks, etc.