Question

Is the dermis made mostly of dead cells? Does the epidermis consist of mostly adipose cells?

Answer 1

No. It is primarily living cells.

Explanation:

A good general description of the dermis and epidermis may be found here:
http://www.cairntechnology.com/information-about-the-skin
More details and some great graphics can be found here:
http://www.differencebetween.net/scienceat/health/difference-between-epidermis-and-dermis/