ROYCEDERM SCALP THERAPY SYSTEM CLEANSE. CALM. REBALANCE. The Roycederm Scalp Therapy System is a 3-step routine designed to relieve itching, flaking, and irritation caused by seborrheic dermatitis and folliculitis. Cleanse with our medicated shampoo, hydrate with the soothing conditioner, and treat with the targeted scalp cream. Real results begin when you care for your scalpRoycederm supports you from root to recovery. Previous page Next page 1 Scalp Reset 2 Deep Cleanse 3 Calm Relief.