Nioxin System 1 Cleanser Shampoo, 33.8 oz

Nioxin Cleanser, System 1 (Fine/Untreated/Normal to Thin-Looking), 33.8 Ounce This expensive shampoo has been highly recommended for men and women with thinning hair. It was recommended to me at age 35 when my hair was thinning and now at age 70 I have a thick head of hair (Rogaine may have helped also). My female friend was also advised to use this product when she was going through chemo. It is expensive, compared to traditional shampoos. I paid $30 for a 33.8 oz bottle recently. But it's worth it if it helps to regrow thinning hair. However I now suspect the product I just purchased will not be effective to regrow thinning hair. At first I noticed the new product, unlike the old, made NO MENTION of its ability to remove Dihydrotestosterone (DHT), the testosterone-based cause of baldness. Next I noticed that the new product said simply: apply, rinse then add other Noxin products. The old product advised that the medicinal shampoo should remain on the scalp for at least ONE MINUTE before rinsing. This got me thinking that the new formulation lacked the DHT removing ingredients that would require remaining on the scalp for at least one minute. Next I noticed that the ingredients were DIFFERENT, despite no notification from the manufacturer that this would occur. And then I observed that the new product was distributed by Wella Haircare in CA and was made in Mexico; the former product was made by Nioxin Laboratories in Atlanta in the USA. A bit of research revealed the basis for all these anomalies: Nioxin Research Labs were purchased in 2008 by Proctor and Gamble. Two years later, P&G closed the research lab, headquarters and factory in Atlanta and moved manufacturing to Mexico. Nioxin's /P&G's website says that it's effective for thinning hair. This is the niche that it bought when it purchased Nioxin. It justifies charging $30 for Nioxin when P&G's Head and Shoulders sells for $3.50. With all these changes by P&G, I question whether Nioxin today is the effective product of yesterday or a new commercial fraud.