What are some great glossing treatments for the hair?

I swear by jojoba oil.

Combed through while the hair is still damp.

Dress hair after as usual.

Hair dye will help. There are also clear dyes/treatments to gloss up your hair. If your hair is brittle bad very dry, you might consider having your iron and thyroid checked if you have other symptoms to indicate that might be an underlying cause.

Also, Pantene shampoo and conditioner smooths and silkens hair, but if your hair is thin it might be too heavy.