Most oxygen enters the starfish via diffusion into the tube feet (with the water vascular system), or the papulae (small sacs covering the upper body surface). Reproduce alone, or with a mate: Sea stars are capable of both sexual and asexual reproduction. Individual sea stars are male or female.
Specifically for keratosis pilaris, I would make extra certain that you are not eating foods with new-fangled vegetable oils such as corn, sunflower, vegetable a.k.a. soybean, grape seed, cottonseed AND canola oils. These non-traditional vegetable oils are packed with super unstable PUFAs (poly-unsaturated fatty acids).
What is keratosis pilaris? Keratosis pilaris is a skin disorder that causes rough patches and small, acne-like bumps on the skin, according to Mayo Clinic. It affects the skin especially on the thighs, cheeks, arms and buttocks, but this condition rarely causes itching or pain. Although common in young children, it can also attack adults.