Nioxin System kit #1, Kit #3, Kit #5 are for light thinning hair treatment. They are specially formulated as a hair thickening treatment, delivering denser-looking hair. It reduces hair loss due to breakage and strengthens the hair, while refreshing the scalp and delivering a healthy shine to your hair. 
- Nioxin System Kit 1 thinning hair treatment is specially formulated as a hair thickening treatment, delivering denser-looking hair. It reduces hair loss due to breakage and strengthens the hair, while refreshing the scalp and delivering a healthy shine to natural, non-colored hair with light thinning.
- Nioxin System Kit 3 for thinning colored hair is formulated to remove follicle-clogging sebum, fatty acids and environmental residues, while amplifying hair texture, providing moisture balance and color protection.
- Nioxin System Kit 5 for thinning chemically-treated, bleached, permed or straightened hair is formulated to remove follicle-clogging sebum, fatty acids and environmental residues, while amplifying hair texture, restoring the moisture level and providing color protection.
Benefits 
- Complete professional thickening treatment for natural, non-colored hair with light thinning
- For amplified hair texture and protection against breakage
- Helps remove follicle-clogging sebum, fatty acids and environmental residues from scalp and hair
- Refreshed scalp and increased hair volume
- Increased fullness of each hair strand
How to Use 
- Cleanser Shampoo: Gently massage into hair and scalp & Rinse well.
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Scalp Therapy Conditioner: Apply from scalp to ends. Leave in for 1 to 3 minutes. Rinse.
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Scalp & Hair Treatment: Shake well. Apply evenly to entire scalp. Do not rinse.