Vitamins for Psoriasis on the Scalp Vitamin A, B-6, C, E and Biotin - Scalp psoriasis is a chronic skin disease that occurs when your cells rapidly multiply and accumulate on the surface of your scalp. Psoriasis tends to fluctuate between periods of activity and periods of remission. Symptoms include itchy, red skin patches or plaques with silver-white scales; dandruff-like flakes; a dry, cracked scalp; scalp pain...