So confusing.........Tinkerbell's skin is getting so extra dry

I dont know what to do? I bought Fish Oil with Omega-3 Fatty Acids

softgels......human kind

How much should I give her?? I also bought the Vitamin E softgels...how much do i give her of that?? and regular vitamin E for the skin to put on her hair....

. Is that ok? Everything is for human??