Because there are a lot of products in the crowded marketplace that claim they can regrow your hair, it’s a necessity for the legitimate ones to have disclaimers on their websites. Essentially, these disclaimers state that the products haven’t been evaluated by the FDA and so can’t be guaranteed to provide the benefits they claim to provide—at least not from the standpoint of the regulators.
There have also been studies on the effects of 1% pyrithione zinc shampoo and a 5% minoxidil solution. In one study, 200 men between the ages of 18 to 49 who experienced baldness between type III and type IV on the Norwood scale were given this treatment for a six-month period. They found that minoxidil, when used on its own, was approximately twice as powerful as pyrithione zinc at stimulating hair growth, but that both products were successful at increasing the amount of visible hair when used over a 26-week period.
Female pattern baldness: Treatment and genetics While most women lose between 50 and 100 strands of hair per day, this hair is usually quickly replaced by new growth. When bald patches or thinning occurs, however, it may be a sign of female pattern baldness. In this article, learn more about the common causes and treatment of hair loss in women. Read now
Many other women, though, start noticing thinning hair on top of their heads. Doctors say the defining sign is a widening of the part. The hairline itself is usually intact, but the hair becomes less dense behind it. Doctors will often run a battery of tests to make sure there are no treatable medical conditions, such as anemia, thyroid problems, tumors, or hormonal problems. "Ninety percent of the time, it's normal," Patel said.