I tried this hair growth shampoo from verseo https://www.amazon.com/dp/B000JIJJ9Q
it works great for hair growth and u can return it for no charges if you are not satisfied with the result.
so why not give it a try
Verseo Hair Growth Shampoo and Conditioner
I've been a user for this product and it works great for my thinning hair
U can also return the product if not satisfied with the result