I LOVE the Eagle Creek bags for incredibly light (Eagle Creek Pack-It Spectrum products) packing and traveling. They are light, clean easily, and dry quickly. I also love this green toiletry kit (although they come in many different colors).
Eagle Creek also offers lots of other shapes and sizes of bags and I used one for my First Aid kit, too!
As for what toiletries to pack...well, it's totally up to you. The basics are going to be plenty.
For me, well, I'm rather low maintenance, so a bar of soap, small GoToobs of shampoo, a toothbrush, toothpaste, razor, Q-Tips, nail clippers, small scissors, and a hotel style mending kit. That was it for me.
I did carry an extra bar of soap because I love my brand and two bars got me through almost the entire 7 weeks I walked.
For the women, the Australians I walked with wore no makeup and seemed to maintain as basic a routine as the men when it came to toiletries.
Of course, the choice is yours. I recommend to keep it light and simple. Weight is an issue and every extra thing in your pack is going to be reevaluated during your Camino--and you most likely will be dumping the things that you don't need in an attempt to let go of every extra ounce. Everyone who has walked says this, but I don't know that most people truly get it until they walk.