Please recommend a shampoo for dehydrated oily hair.

I get pimples on my scalp easily.

Even a shampoo you used well will... after using it a few times

I'm getting another pimple....

I'm a shampoo nomad...

I want to settle down with just one.

Mise-en-scène, Dove, and Vidal Sassoon didn't fit.

Among the shampoos I've used, the one that was at least decent was

They are Avalon Organic Shampoo, Syoss Shampoo, Dandruff Cooling Shampoo, and L'Oréal Everstrong Shampoo...