If the T-shaped area of your cheeks is dry, your skin is mixed. Pond's mud facial cleanser is good, green, inexpensive and easy to use. I'm a jerk, too. I think it is very suitable for mud, and so is the mask.
The arm problem can be improved by massage, and it will be useful to stick to it from the inside out. If conditions permit, you can cooperate with some massage cream. There are many slimming massage creams on the market, you can try them.