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🌿 Unlock thicker, fuller hair—because your scalp deserves a glow-up!
Nioxin System 4 is a professional-grade hair thickening system designed specifically for dry, damaged, and color-treated hair experiencing progressed thinning. Powered by a clinically tested blend of biotin, niacinamide, and caffeine, it deeply cleanses the scalp, removes follicle-clogging sebum, and nourishes hair roots to visibly increase hair thickness and resilience within 30 days. Ideal for daily use, it refreshes with a citrus scent and integrates seamlessly into your hair care routine for lasting, fuller hair.














| ASIN | B0D6WJ74Z6 |
| Active Ingredients | Niacinamide, biotin |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Benefits | Thickens the hair: Nioxin System Kit 4 is clinically designed to add thickness and fullness to dry, damaged, color-treated hair with progressed thinning, with visible results in just 30 days. |
| Best Sellers Rank | 1,094 in Beauty ( See Top 100 in Beauty ) 192 in Shampoos (Beauty) |
| Brand | NIOXIN |
| Brand Name | NIOXIN |
| Country Of Origin | USA |
| Customer Reviews | 4.6 out of 5 stars 224 Reviews |
| Global Trade Identification Number | 04064666843131 |
| Hair Type | Aging, Coloured, Damaged, Dry, Thin |
| Hair type | Aging, Coloured, Damaged, Dry, Thin |
| Item Dimensions | 7.3 x 9 x 27.2 centimetres |
| Item Form | Liquid |
| Item Weight | 1116 Grams |
| Item form | Liquid |
| Liquid Volume | 1 Litres |
| Manufacturer | Wella Professionals |
| Manufacturer Part Number | 54/2 |
| Material Type Free | No animal derived ingredients |
| Model Number | 54/2 |
| Number of Items | 1 |
| Other Special Features of the Product | Strengthens |
| Recommended Uses For Product | Hair Care |
| Scent | Citrus |
| Scent Name | Citrus |
| Suitable Hair Colour | All Hair Colours |
| Unit Count | 1134.0 millilitre |
S**A
Love the product
Great product, highly recommended, leaves hair clean and nourished, feeling amazing. I tried many different brands and this is by far the best.
P**A
Very good product!!! 🌟🌟🌟🌟🌟
This shampoo is amazing! I’ve been using it for over a month and have had great results. It’s reduced my hair loss by almost 100%.
A**R
Love this
Love this. Have used it after my hairdresser recommended it. Great for menopausal hair (IYKYK). Last for a long time so well worth the money.
A**R
Enriches my hair.
Super
A**R
Works
Not been used yet. Value for money
A**R
Is your hair thinning as you age?
It really works for me but can make your hair feel dry so you may need to add a moisturising conditioner
J**A
Best shampoo!
The best cleansing shampoo!
M**E
Great product
This system is great. I’ve been using it for some time now. My hair does feel thicker and it obviously looks thicker as people keep commenting on it!
M**A
Excelente
Buenos resultados en cabello fino
J**N
Nioxin Haarpflege
Schon öfter gekauft. Einfach gut
M**K
Ayuda con la caída de cabello a disminuir
Excelente shampoo
L**A
Perfeito
Meu cabeleireiro indicou esse produto e eu estou usando há 4 meses, melhorou mto a espessura, mantém a qualidade da cor e trata o couro cabeludo. Eu tenho dermatite e ele ajuda, apesar de não ser anticaspa.
T**M
Super
Muy bueno
Trustpilot
3 days ago
2 weeks ago