I have a similar problem. Hope you can get these products in US:
The best one to use is Derma Drate - it was made by DermaTech Laboritories here, but the company was bought out by a multinational in about 2008 - so you may be able to get it. Their other range of products is Dermaveen which is based on oatmeal. They are extremely good products for people with dry skin. Lucas' Paw Paw ointment and Vaseline are good moisturisers, but very greasy. Hope you have some luck.