Sunday Riley Clean Rinse Clarifying Scalp Serum with Niacinamide
Niacinamide is not just for the skin on your face as the Sunday Riley Clean Rinse Clarifying Scalp Serum with Niacinamide ($48) promotes hair growth and a healthy scalp by dissolving sebum, exfoliating dead skin cells, and clearing away pollution and product buildup on top of your head as well.