Shampoo for dogs with itchy skin.

the vets pleased with bens progress. no nibbling (shhh) and she says about a shampoo that would suit dry skin. so any recommendations?????
going to be fun as ben hates water. was thinking about taking a trip to a groomers and see if they can help. but id have to ask if i can stay as ben gets upset if we are not about.

Quistel shampoo

Sebocalm

thanks for the replys. im going to pop into the dog groomers 2morow afternoon. they sell alot of stuff so will have a look there. they say they are cheaper than PAH
i also want to see how much they will charge for ben. ill take him with me.