Bakuchiol Serum Usage: Use two pumps and massage to your face before moisturiser in the evening. Vitamin C Serum Usage: Use two pumps and massage to your face before moisturiser. Can be used morning and evening. Vitamin C day cream Usage: Use every morning. Bakuchiol Night cream Usage: Apply at night. Vitamin C eye Usage: Take a small pea size amount and dot it under your both eyes and massage it in gently.