Changes In Hair/Skin With Fish Oil?

I’m wondering whether fish oil might be good for dry skin during winter. Anyone noticed any changes in skin and hair?

I take about 10g a day of fish oil and my skin is still really dry in the wintertime. I think it is good for the complexion and lubricated the joints, but I have no evidence it leads to less dry skin. As far as hair I think a good overall diet will lead to great looking hair, if you see anyone who is anorexic a lot of times you can tell because their hair is really thin and unhealthy looking.