René Furterer Triphasic Shampoo (RENE FURTERER Triphasic)

This is the René Furterer Triphasic Shampoo. René Furterer shampoos are so famous that I'm sure everyone is familiar with them. As I get older, my hair keeps getting thinner and I'm experiencing some hair loss, so I started using this a few months ago. It is a mildly acidic product that claims to prevent hair loss and thinning by deep cleansing and nourishing the scalp. However, in my case, I'm not sure if it just didn't suit me, but my hair loss seems about the same as before. Also, my hair felt a bit stiff after shampooing, which I didn't like. I don't mind the stiffness, but I couldn't really tell if it was effective in preventing hair loss. So now, I've gone back to using my original product.