Nioxin System 4 Scalp Care + Hair Thickening Leave-In Treatment for Colored, Dry & Damaged Hair with Progressed Thinning | Maintain Vibrant Color | Nourish & Boost Density with Niacinamide & Biotin

Price: null - $27.00
(as of Sep 27, 2026 19:07:07 UTC – Details)

From the manufacturer

1 Ingredients

2 Shampoo

3 Conditioner

4 Leave-In Treatment

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System 4

Discover Nioxin Kits

3 Product Kit

Product Type

3 Product Kit

Damaged Hair

Hair Type

Natural Hair

Progressed Thinning

Thinning Progression

Light Thinning

Thickens & Nourishes

Benefits

Thickens/Strengthens

Reduces Hair Fall

Clinically Tested

Color Safe

3 Product Kit

Product Type

3 Product Kit

Damaged Hair

Hair Type

Natural Hair

Progressed Thinning

Thinning Progression

Progressed Thinning

Thickens & Nourishes

Benefits

Boosts Density

Reduces Hair Fall

Clinically Tested

Color Safe

3 Product Kit

Product Type

3 Product Kit

Damaged Hair

Hair Type

Damaged Hair

Progressed Thinning

Thinning Progression

Light Thinning

Thickens & Nourishes

Benefits

Strengthen & Nourish

Reduces Hair Fall

Clinically Tested

Color Safe

3 Product Kit

Product Type

3 Product Kit

Damaged Hair

Hair Type

All Hair Types

Progressed Thinning

Thinning Progression

All Levels

Thickens & Nourishes

Benefits

Combats Dandruff

Reduces Hair Fall

Clinically Tested

Color Safe

System 1

System 2

System 3

Scalp System

Product Dimensions ‏ : ‎ 1.97 x 1.58 x 6.89 inches; 3.36 ounces
Item model number ‏ : ‎ 81629319
Department ‏ : ‎ womens
Manufacturer ‏ : ‎ Nioxin
ASIN ‏ : ‎ B005F1IMFO
Best Sellers Rank: #15,452 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #67 in Scalp Treatments
Customer Reviews: 4.5 4.5 out of 5 stars (2,769) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

85% of consumers noticed a thickening effect, 80% noticed an increase in hair density, 80% noticed an increase in hair fullness
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.
Supports scalp health: The advanced formula of Nioxin System Kit 4 gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles, creating a healthier environment for the scalp.
Reduces hair thinning: By strengthening hair resilience, Nioxin System Kit 2 helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the hair color.
Nourishes the scalp: Infused with nourishing botanicals, antioxidants, and UV protecting ingredients, this kit’s Scalp + Hair Thickening Treatment can nourish and revitalize the scalp, improving its overall health and condition.

Product summary

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