• Nioxin System Trial Size Kit 4 (for progressed thinning and coloured/damaged hair) - Bohairmia
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Nioxin System Kit 4 Trial Size | 3-Part Starter System for Progressed Thinning Colour-Treated Hair

For the most advanced anti-thinning results in colour-treated or damaged hair, the Nioxin System Kit 4 Trial Size lets you experience the full power of System 4 before committing to a full-size kit. This 3-part professional system is clinically and dermatologically tested for dry, damaged or colour-treated hair with progressed thinning — delivering visibly thicker, fuller hair for 8 out of 10 users within 30 days.

Key Benefits

  • Strongest system for colour-treated hair with progressed thinning — trial the most intensive Nioxin colour formula
  • Clinically proven in 30 days — 8 out of 10 users saw thicker, fuller hair within a month
  • Thickens and strengthens — advanced formula for more significant thinning in processed hair
  • Colour protection and UV-defending botanicals — strengthens without compromising colour or causing further damage
  • Supports scalp health — removes impurities and excess sebum for a cleaner, healthier follicle environment

Why You'll Love This Product

System 4 Trial Size is ideal if you have heavily colour-treated, bleached or chemically processed hair with more noticeable thinning. The trial format lets you test the most intensive option in the Nioxin colour range and verify your results before moving to the full 300ml kit. Also makes an excellent premium gift for someone serious about tackling hair thinning.

When to Use

Use at least 3 times per week as your main hair care routine. Ideal for colour-treated, bleached or heavily processed hair with more advanced or progressed thinning. Suitable for all genders.

How to Use

  1. Shampoo: Apply Nioxin System 4 Scalp + Hair Shampoo to wet hair, lather and rinse thoroughly.
  2. Conditioner: Massage Nioxin System 4 Scalp + Hair Conditioner from roots to ends and rinse thoroughly.
  3. Treatment: Apply Nioxin System 4 Scalp Care + Hair Thickening Treatment from roots to ends. Do not rinse.

What's Included

  • Nioxin System 4 Scalp + Hair Shampoo 150ml
  • Nioxin System 4 Scalp + Hair Conditioner 150ml
  • Nioxin System 4 Scalp Care + Hair Thickening Treatment 40ml

Key Ingredients

B-Vitamin Complex including: Thiamine (B1), Niacin (B3), Pantothenic Acid (B5), Pyridoxine (B6), Biotin (B7), Folic Acid (B9), Cyanocobalamin (B12). UV-protecting botanicals and antioxidants. (Full INCI list on individual product packaging.)

  • £39.99