Right, I checked that shampoo out on Amazon and the first review was this ---->
Which pretty much covers my need, though I'll be using the scalp massage advice along with it every few days.
Checking things out I think coconut oil would be something I'd find easy to use, less messy and pleasant for scalp massage.
Thank you everyone. I hadn't realised how prevalent the problem is and how many sufferers are out there for various reasons.
Hopefully people reading as lurkers find all the advice helpful too, especially with covid now buggering up our hair on top of everything else.
Now where was I ....
Very grateful. They can be powerful, thank you bubba.