Best SLS-free shampoo?

[Mendi]

I have horrible eczema on my scalp which I'm told might improve if I use SLS-free shampoo. Have been trying the Body Shop one but am finding my hair is really really static,which it never was before. Also, because of the absence of foaming agent, I can never really tell if it's properly 'cleaned' IYKWIM.

Please tell me some other makes of good SLS-free shampoo and also your tips on how much to use, how many washes etc.

Pureology shampoo is SLS free and very luxurious. I ordered from Feel Unique. Was v disappointed with the conditioner tho. It had silicones and menthol! I had just about gotten my scalp clear and the conditioner wrecked it. Now using the Pureology shampoo and Moogoo conditioner, very pleased with it....