Carina Organics Unscented Daily Moisturizing Shampoo
$14-$95
Best overall liquid shampoo: unscented, essential-oil-free, and unusually clean for the category.
Plastic bottle. Still the strongest practical liquid shampoo choice.
A US source in the The Unmasked Face directory. Check that it ships to Europe; where it does not, the directory lists a European alternative alongside it.