Dry brush skin, this can effectively remove skin flakes.
To soften rough elbow skin, try to use a scrub and bath mitt to exfoliate. For the best results, massage and scrub the skin for a few minutes.
If not moist enough, you can also use lotion. Home-use microdermabrasion creams can also exfoliate a few dead skin layers.
Then thoroughly moisturize the skin. After exfoliating skin, moisturization becomes much more effective.
But for the severe elbow dryness, visit a dermatologist, and check the elbow skin. Laser treatment may be an effective choice.