Simply Zen Take a small amount of the Simply Zen Detoxifying Leave In Scalp Treatment Serum onto your fingertips or directly onto the scalp. Begin by applying it to the targeted areas or areas where you experience scalp issues.Gently massage the serum into your scalp using circular motions. This helps the Simply Zen Detoxifying Leave In Scalp Treatment Serum to penetrate the scalp and distribute evenly. Take your time to ensure thorough coverage.Once the serum is applied and massaged into the scalp, you can proceed with your regular hair styling routine. Style your hair as usual, whether you prefer to air-dry, blow-dry, or use heat styling tools. Hand Creams