1 / 7Nioxin 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.
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.
Reference price: £42.75
Price checked: 12 Nov 2026
View offerAhead of Black FridayExplore the selectionOften bought together
Pros and cons
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.
Technical specifications
10 specifications| Brand | Nioxin Pro Clinical |
|---|
| System | System 1 |
|---|---|
| Hair type and condition | Natural hair with light thinning |
| Products | Shampoo, Conditioner, Serum |
| 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 dimensions and weight | 18.2 x 11 x 5.1 cm; 450 g |
|---|---|
| Manufacturer reference | 99350180547 |
| Country of origin | Mexico |
What to know before buying
- 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.
Who is it for?
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 reviews on Amazon
- 5 stars
61% 61% - 4 stars
24% 24% - 3 stars
7% 7% - 2 stars
5% 5% - 1 star
3% 3%
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.

Alternative options

Regaine for Women, Hair Growth & Prevents further Hair Loss, Scalp Foam, with Minoxidil, 4 Months’ Supply, 2 x 73ml (Pack of 2)
£90.00

Nioxin System 2 - Hair Thickening System For Natural Hair with Progressed Thinning - Biotin & Niacinamide - Shampoo, Conditioner, Serum
£38.30

Nioxin System 3 - Hair Thickening System For Damaged Hair with Light Thinning - Biotin & Niacinamide - Shampoo, Conditioner, Serum
£15.10

Virtue Flourish Shampoo and Conditioner Set for Fine or Thinning Hair | Sulphate Free Hair Growth Product
£68.80

Nioxin 3-Part System | System 4 | Coloured Hair with Progressed Thinning Hair Treatment | Scalp Therapy | Hair Thickening Treatment
£12.50

MONPURE Nourish & Stimulate Scalp Mask
£53.00

Silken Sass Hair Growth Kit – DHT Blocker Shampoo, Conditioner & Serum with Scalp Scrubber | Saw Palmetto & Redensyl® for Women | Complete Hair Regrowth System
£54.99

UpCircle Conditioner Crème with Plant Keratin + Panthenol – Gentle Formulation To Repair + Protect – Sweet Almond Oil + Shea Butter – Natural, Vegan + Cruelty-Free
£16.20

Revita Conditioner for Thinning Hair by DS Laboratories - Supports Hair Growth for Men and Women, Volumizing, Thickening and Strengthening, Sulfate Free, 7 Fl Oz (205mL) - Packaging May Vary
£23.00

Aussie Miracle Moist Shampoo 1L Pump to Restore Brittle & Dry Hair | Moisture-Quenching Formula to Revive and Restore Dry Hair. Infused with Australian Macadamia Nut Oil, and Cruelty Free
£11.00

Regaine for Women 5% Minoxidil Extra Strength Scalp Foam for Hair Regrowth (2x 73ml), Scientifically Proven to Help Stop and Reverse Hereditary Female Hair Loss, Revitalise Hair Follicles
£45.00

by Amazon Men's Anti-Hair Loss Shampoo with Caffeine, 2 x 400ml
£6.84
Products with discounts that might interest you
Offer details
- The 20% voucher applies only to the Subscribe & Save purchase option.

























