Nioxin System 4 Colored Hair Progressed Thinning Trial Kit is a complete hair care system designed for color-treated hair with progressed thinning. It helps cleanse the scalp, strengthen the hair, and improve the appearance of thicker, fuller-looking hair while helping protect hair color.

Benefits:
- Designed for color-treated hair with progressed thinning.
- Helps remove dirt, oil, and buildup from the scalp and hair.
- Helps strengthen hair and reduce the appearance of thinning.
- Helps protect and maintain color-treated hair.

Main Ingredients & Their Benefits:
- Niacinamide: Helps support scalp health and maintain moisture balance.
- Biotin: Helps strengthen hair and improve its appearance.
- Caffeine: Helps energize and support the scalp environment.
- Peppermint Oil: Provides a refreshing sensation and helps invigorate the scalp.

Precautions:
- For external use only.
- Avoid contact with the eyes. If contact occurs, rinse thoroughly with water.
- Do not use on irritated or damaged scalp.
- Stop use if irritation occurs.
- Keep out of reach of children.

- Apply Cleanser Shampoo to wet hair, massage into the scalp and hair, then rinse thoroughly.
- Apply Scalp Therapy Revitalizing Conditioner from scalp to ends, leave for 1–3 minutes, then rinse.
- Apply Scalp & Hair Treatment evenly to the scalp and hair, massage gently, and do not rinse.
- Use regularly as part of the Nioxin System 4 routine for best results.