# Nioxin System 1 Hair Thickening System for Natural Hair with Light Thinning

Thickening: Nioxin System 1 is a three-step hair-care system for natural, untreated hair with light thinning, comprising shampoo, conditioner and a leave-on scalp treatment. The listing describes a daily routine and claims added thickness and fullness, but those results are manufacturer claims rather than independently verified outcomes.

- [Original product page](https://bargainpostbox.co.uk/product/nioxin-system-1-hair-thickening-system-natural-hair-light-thinning)
- [View offer](https://bargainpostbox.co.uk/visit/nioxin-system-1-hair-thickening-system-natural-hair-light-thinning)
- Market: UK
- Language: en-GB
- Currency: GBP
- Category: Beauty & Health > Hair Care
- Price: 18.41 GBP
- Previous price: 42.75 GBP
- Discount: 57%
- Price checked: 2026-11-12T17:58:40.161Z
- Rating: 4.3 / 5
- Reviews: 114

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Three products cover cleansing, conditioning and scalp treatment in one routine.
- The listing positions System 1 for natural, untreated hair with light thinning.
- The directions describe applying shampoo and conditioner, then the scalp treatment from roots to ends.
- The maker recommends daily use of the complete system.

## Pros

- Combines shampoo, conditioner and scalp treatment, so the advertised routine covers more than washing alone.
- The intended hair type and thinning level are clearly specified as natural, untreated hair with light thinning.
- Ingredients named across the listing include biotin, niacinamide, caffeine and peppermint oil.

## Specifications

### Identity
- Brand: Nioxin Pro Clinical
### System and intended hair
- System: System 1
- Hair type and condition: Natural hair with light thinning
- Products: Shampoo, Conditioner, Serum
### Ingredients and claims
- Named ingredients: Biotin & Niacinamide
- Additional ingredients named in product details: caffeine, peppermint oil & niacinamide
- Manufacturer-stated benefits: Clinically proven to add thickness & fullness to hair, strengthening hair resilience & reducing breakage
### Package details
- Package dimensions and weight: 18.2 x 11 x 5.1 cm; 450 g
- Manufacturer reference: 99350180547
- Country of origin: Mexico

## Before you buy

- System 1 is stated to be for natural, untreated hair. The manufacturer recommends System 3 for colour-treated, highlighted, bleached or chemically processed hair. The claimed visible-results timeframe of 30 days is a manufacturer claim, not a guarantee. The system is not formulated with minoxidil.

## A good fit for

- People with natural, untreated hair who are considering a multi-step routine for light thinning.
- Buyers who want shampoo, conditioner and a scalp treatment together and are prepared to use the full system daily.

## Less suited to

- People with colour-treated, highlighted, bleached or chemically processed hair, for whom the manufacturer points to System 3.
- Anyone specifically seeking a minoxidil-containing treatment.

## Customer feedback

Aggregate ratings lean positive, with a smaller share of lower-star ratings, but no written customer feedback was supplied. These figures cannot establish which features customers liked or what concerns they had, nor whether the system's claimed thickening results were experienced. Consider the ratings as a limited overall signal and weigh them against the product's specific fit for natural, untreated hair with light thinning.

## Frequently asked questions

### What is included in the Nioxin System 1 routine?
The listing describes shampoo, conditioner and a scalp treatment, also referred to as serum in the product title.
### Who is System 1 intended for?
The maker specifies natural, untreated hair with light thinning. For colour-treated, highlighted, bleached or chemically processed hair, it recommends System 3 instead.
### Does this system contain minoxidil?
No. The manufacturer states that Nioxin system kits are not formulated with minoxidil.
### How does the listing say to use the products?
Apply the shampoo and conditioner, then apply the scalp treatment from roots to ends. The maker recommends using the full system daily.

## Offer details

- The 20% voucher applies only to the Subscribe & Save purchase option.

## Alternative options

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## Add-ons

- [Nioxin Professional Anti-Hair Loss Niacinamide Leave-On Scalp Treatment](https://bargainpostbox.co.uk/visit/nioxin-system-1-hair-thickening-system-natural-hair-light-thinning)
- [Nioxin Density Defend Anti-Breakage Strengthening Hair Mask - Deep Conditioning Hair Treatment Protects Against Hair Breakage](https://bargainpostbox.co.uk/visit/nioxin-system-1-hair-thickening-system-natural-hair-light-thinning)

## Images

![Nioxin System 1 Hair Thickening System for Natural Hair with Light Thinning — 1](https://bargainpostbox.co.uk/i/qDAp8tu8-MG4Afc7fTcgS1iw35uJFWg0N-ROIiouYpEe6e-NfLjt5_9Rc0fc6bPYa83NmEP13pVJitOdr-s5_1t5gtk6RTo30pUea3vBMn0Yn6mpef9JHVjI.jpg)

![Nioxin System 1 Hair Thickening System for Natural Hair with Light Thinning — 2](https://bargainpostbox.co.uk/i/PZwmzGJAqwTP58IbfFdFD20ViuzCg-LuWNdPzaHNcbQjNm6AYNDGGAAVGLtn-hTgZhr7WgjUvLyZtbFxncbLWdH93LABiFAh_tqWQzN9hBY3Df101CuU19_5.jpg)

![Nioxin System 1 Hair Thickening System for Natural Hair with Light Thinning — 3](https://bargainpostbox.co.uk/i/VoejcEZB2gTtRY-QWyETp0qeguYE0IOjKr8qvhUqP2qq0jTR0DG3RCorBJAFQnor7el4QNBFErmBak45K29lgwA_N7Z0ABQcC7ewmG0OiW9KpJ4a8sgW_-U3.jpg)

![Nioxin System 1 Hair Thickening System for Natural Hair with Light Thinning — 4](https://bargainpostbox.co.uk/i/pp4k2-m0AZuz2Hw0rAq-ukVeTjRyPNQOco2YTE508Arw5fWJ-WykGURbDMWVrVS0ZaRI9Qlb7gAeoJOjaIo3Z5iPwVnMIu6-iiXz46tz_sp4dYUn-IPc7TXs.jpg)

![Nioxin System 1 Hair Thickening System for Natural Hair with Light Thinning — 5](https://bargainpostbox.co.uk/i/tQdLSnrTZPzw38qc0avzPvd6GEG1CI5vpmbLZtz2OsXgeLKqrAgtAUqHRiEw9vd_-vqM9I3tT3arzxBJz-tflnivFfoWF-rKXYJTUQmN3qR-b9c3-dKH77Za.jpg)

![Nioxin System 1 Hair Thickening System for Natural Hair with Light Thinning — 6](https://bargainpostbox.co.uk/i/lwdm8NZdtpIa4a08D1mZiIJ8epl-Y1mOCkPT91TPBuIS8-uLRRjLoL4GseBCoJGQit4y6HSr1G-keVH4PeuyOFnwNbXBNLnwma5PV7POvkln0kRCVyxkx4Lr.jpg)

![Nioxin System 1 Hair Thickening System for Natural Hair with Light Thinning — 7](https://bargainpostbox.co.uk/i/tfUMk6uKOY3fhcRFL062vfsJuPdsZ_BDDyf9c_TUQTNIsawUnQaVuSnpkDKKQxK69KPD7gcKJHabykBBdXaQtLftQC4putmEbspEIPwCPr3lymSA5dylZ66Q.jpg)