Just tried out Keys Shampoo and Treatment for naturally curly and frizzy hair, and I'm blown away! My hair is soft and smooth yet still has a nice curl to it. Their shampoos both have keratin and ceramide in them. I couldn't find a lot of info about Keys, I think it's a Italian- Japanese brand, here's a website I found. http://keys.moltobene.co.jp/ Awesome stuff!
(I've since this post found out that keratin comes form animals so I don't use this shampoo anymore.)