The first thing that you need to know is that those sites claiming that provillus doesn't have any side effects are associated with the company who sells the product.
Minoxidil, the main ingredient in the provillus liquid formula, is known for causing side effects in certain circumstances. For example, if you happen to be suffering from psoriasis or itchy scalp then minoxidil could potentially make that problem worse.
So I would be cautious of any source of information that tells you that provillus doesn't have any side effects. At the very least some of the ingredients in the herbal formula could potentially cause negative side effects when combined with certain medications.
So most people who tell you that provillus doesn't have any side effects are probably associated with that particular company. I'm calling them liars!
So just be careful where you get your information. I will say that I personally have found very few good sources of information on hair loss.
This was the best source of information on hair loss that I could find myself. They have an in-depth and balanced review on the product. It's not a glowing review or a 100% negative review it's just the simple facts about the product and how it works.
I would say you should be cautious of both the glowing reviews of provillus and the 100% negative reviews.
Usually if the review is 100% negative the author probably is selling a competing product or service. They might not link directly to what they are selling in that particular article but if you look around the site a bit you'll probably find the product or service that they are promoting.
For example, I saw a website for a guy who runs a hair transplant clinic. Basically what he does is he bad mouths all the different hair loss products out there and then recommends his own service.
It is true that a hair transplant is probably your best chance when it comes to dealing with hair loss. However, what they don't tell you is that you will have to come back and have the surgery done multiple times because you will continue to lose hair in other areas.
Also if you happen to cut your hair very short then the transplantation will be very noticeable. In other words, your hair has to be a certain length to hide the fact that you had a hair transplant.
Anyway, I know I went off on a bit of a tangent but my point is that you should always check your facts and you should also realize that provillus does have some side effects but they only happen in rare cases.
If you're taking any prescription drugs than consult your Doctor immediately before moving forward with Provillus.