I bought a bottle like that once and I used pretty much the whole thing at once and then the next morning I had to use the rest to slick it back down. My hair is a beast. That's why I don't use shampoo because when I did even hair dressers would put half a bottle of moisturizer in my hair, when I had a Wave Nouveau, and would be amazed at how it would just disappear like it never happened. When I used to use shampoo I would moisturize on wet hair than I still had to moisturize all over again after my hair dried for my hair to actually not be dry.
I think it's safe to say that if you need a whole bottle of gel for one hair set, your hair is not "silky"
