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NIOXIN Scalp and Hair Thickening System 4 Kit Review: Strengthens coloured, thinning hair

Nioxin Scalp + Hair Thickening System 4 Kit - Hair Treatment System for Coloured Or Dry Damaged Hair with Progressed Thinning - Shampoo, Conditioner & Scalp Treatment (150+150+40ml)
4.5
[Strengthens & Protects Color]  Fortifies strands against breakage while preserving hair colour for healthier, resilient hair.
[Biotin & Caffeine Blend]  Niacinamide, biotin and caffeine nourish roots, stimulate follicles and strengthen hair from the scalp.
[Gentle Scalp Cleanser]  Removes impurities and follicle-clogging sebum to create a healthier growth environment.
[Easy Application Steps]  Shampoo, conditioner and scalp treatment with simple massage instructions for effortless daily use.
[Daily Routine Ready]  Use with Nioxin System Kit 4 daily for best results and ideal self-care gifting.
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Hair treatment kit designed to strengthen coloured and dry damaged hair while addressing progressed thinning. Enjoy greater confidence from a cleaner, firmer-feeling scalp and fuller-looking hair. Could NIOXIN Scalp and Hair Thickening System 4 Kit be the daily routine your hair needs?

⚡ At a Glance
  • Hair Strengthening: Strengthens hair against breakage while supporting a healthier scalp environment
  • Best for: People with coloured, dry or damaged hair experiencing progressed thinning
  • Not ideal for: Those seeking an instant volumising styling product rather than a treatment routine

A three-step kit of shampoo, conditioner and scalp treatment formulated with biotin, niacinamide and caffeine. Cleanses the scalp while helping to strengthen hair and protect colour.


Reduced Breakage – With biotin, niacinamide and caffeine

Biotin and niacinamide work to strengthen the hair shaft while caffeine helps nourish the hair root and stimulate follicles, supporting hair resilience. These actives target the hair at the root and along the strand to reduce fragility.

Fewer snapped hairs during brushing and styling when used consistently, leading to visibly stronger sections over time.

Cleaner Scalp, Better Growth – With a gentle cleanser that removes impurities and sebum

A gentle cleansing formula removes follicle-clogging sebum and debris from the scalp, creating a healthier environment for hair to grow. Clearer follicles reduce barriers to emergence of new hairs.

A fresher, less clogged scalp encourages conditions where visible regrowth and thicker-looking hair are more likely to occur.

Colour Protection for Treated Hair – With a formulation that supports colour integrity

Strengthening agents work alongside cleansing and conditioning steps to preserve hair structure while helping to maintain colour during routine care. The routine promotes gentler handling of dyed hair.

Colour-treated hair looks healthier and holds its tone better while thinning concerns are addressed through the three-step routine.

✨ The 4 Key Reasons for NIOXIN Scalp and Hair Thickening System 4 Kit
  1. Three-step kit - Delivers targeted shampoo, conditioner and scalp treatment for complete care
  2. Key actives - Biotin, niacinamide and caffeine help strengthen and nourish from the root
  3. Gentle scalp cleanser - Removes sebum and impurities to support follicle health
  4. Refreshing menthol scent - Leaves scalp feeling clean and revitalised after washing
📋 Technical Details at a Glance
  • Category: Luxury Beauty, Hair Treatment Kit
  • Brand: NIOXIN
  • Kit contents: Shampoo 150ml, Conditioner 150ml, Scalp Treatment 40ml
  • Target hair type: Coloured, dry damaged hair with progressed thinning
  • Key actives: Biotin, Niacinamide, Caffeine
❓ Frequently Asked Questions

Q: Is this suitable for coloured hair?

A: Yes, the formula is described as providing colour protection while strengthening hair, so it is suitable for colour-treated hair.

Q: How often should the kit be used?

A: Daily use is recommended for best results as part of a regular Nioxin routine.

Q: Will it reduce shedding and promote regrowth?

A: User feedback and the formulation indicate reduced shedding and visible regrowth for some users, supported by biotin, niacinamide and caffeine to nourish roots and stimulate follicles.

🏆 Our Verdict

Suitable for people with coloured, dry or damaged hair who are facing progressed thinning and want a focused care routine. The three-step approach, combining biotin, niacinamide and caffeine with a gentle scalp cleanse, targets both scalp health and strand strength. Considered a routine investment, regular use can deliver thicker-looking, stronger hair over time.