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Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum
Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum

SYSTEM 4

Nioxin System 4 Scalp + Hair Thickening Treatment - Hair Thickening Serum

FOR COLOURED HAIR WITH PROGRESSED THINNING
$31.00
Nioxin’s System 4 Leave-In Scalp & Hair Treatment for Colour-Treated Hair with Progressed Thinning works to refresh the scalp and increase your hair volume. This volumizing leave-in hair treatment helps to provide thicker-looking hair by increasing the fullness of each hair strand. Nioxin’s System 4 Scalp & Hair Treatment is the final step of the three-part system, which amplifies hair texture while protecting against breakage.
    Size

    QUANTITY

    DETAILS

    What is it: System Kit 4 is designed for natural, untreated hair with progressed thinning. Clinically and dermatologically tested.

    Why you'll love it: It helps to refresh the scalp and increase the volume of every strand, leaving your hair looking fuller and thicker.

    Featured ingredients: Delivers essential nutrients and antioxidants to the scalp, nourishing and protecting it against damage. This treatment contains UV protecting ingredients for the scalp and hair.

    KEY BENEFITS & REAL RESULTS

    THICKENS THE HAIR: 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:     gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles, creating a healthier environment for the scalp

    REDUCES HAIR THINNING:     helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the hair colour

    NOURISHES THE SCALP:     infused with antioxidants and UV protecting ingredients, this treatment can nourish and revitalize the scalp, improving its overall health and condition

    85% of consumers noticed a thickening effect with our hair thickening products

    80% noticed an increase in hair density

    80% noticed an increase in hair fullness

    HOW TO USE

    Shake Nioxin Leave-In Treatment well and apply directly to the entire scalp, focusing on areas of irritation or discomfort. Gently massage and comb through. Do not rinse. For best results, use in conjunction with Nioxin System 4 Shampoo and Conditioner.

    SHIPPING INFO

    Free shipping on orders $35 and over

    2-7 day shipping times

    Have questions? Contact us

    HOW TO USE

    1
    Apply Nioxin System 4 Scalp + Hair Thickening Treatment to towel-dried hair, focusing on the scalp and areas of concern.

    2
    Massage gently to ensure even distribution.

    3
    Do not rinse out. Style as desired.

    4
    For optimal results, use alongside Nioxin System 4 Scalp + Hair Shampoo and Conditioner.

    INGREDIENTS

    GLUTEN FREE

    CRUELTY FREE

    PREGNANCY SAFE

    COLOUR SAFE

    SEE ALL INGREDIENTS

    Aqua/Water/Eau, Niacinamide, Phenylbenzimidazole Sulfonic Acid, Caffeine, Polysorbate 20, Benzophenone-4, Phenoxyethanol, Sodium Benzoate, PEG-12 Dimethicone, Benzyl Alcohol, Sodium Hydroxide, Cocamidopropyl Betaine, Acetamide MEA, Tetrasodium EDTA, Propylene Glycol, Methyl Nicotinate, Mentha Arvensis Leaf Oil, Parfum/Fragrance, Polysorbate 80, Polysorbate 60, PEG-23M, Mentha Piperita (Peppermint) Oil, Limonene, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Lecithin, Tocopheryl Acetate, Biotin, Foeniculum Vulgare (Fennel) Fruit Extract, Silica, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum/Sugar Cane Extract/Extrait de canne à sucre, Acer Saccharum (Sugar Maple) Extract, Vaccinium Myrtillus Leaf Extract, Citric Acid, Faex Extract/Yeast Extract/Extrait de levure, Propylparaben, Citrus Aurantium Dulcis (Orange) Fruit Extract, Maltodextrin, Methylparaben, Potassium Sorbate, Ethylparaben, Butylparaben, BHT.
    SUN PROTECTING INGREDIENTS
    formulated with a common UV filter providing protection against the damaging effects of ultraviolet (UV) radiation from the sun
    CAFFEINE
    Stimulates hair follicles, improves blood circulation and maintains the skin barrier
    MENTHA ARVENSIS LEAF OIL
    Also known as wild mint oil, this oil is known for its refreshing and invigorating benefits that stimulate the scalp and promote circulation
    NIACINAMIDE
    A form of Vitamin B3, niacinamide helps nourish the hair root and can have a positive impact on hair growth and overall scalp health

    FAQs

    How do I know which System Kit is right for me?

    1. For natural, untreated hair with light thinning, we recommend System Kit 1.
    2. For natural, untreated hair with progressed thinning, we recommend System Kit 2.
    3. For damaged, dry, or colored treated hair with light thinning, we recommend System Kit 3.
    4. For damaged, dry, or color treated hair with progressed thinning, we recommend System Kit 4.

    How do I know which kit to use if I previously used System Kit 5 or 6?

    We recently transitioned from 6 kits to 4 to make it even easier to navigate which kit will help you meet your hair goals. If you previously used System Kit 5, we recommend using System Kit 3. If you recently used System Kit 6, we recommend using System Kit 4.

    How often should I use the 3-step system to see results?

    We recommend using the complete system at least 3 times a week for visible results in 30 days.

    NOT SURE WHERE TO START?

    Build your personalized Nioxin regimen by taking our quiz, and we will tell you which products you should be using.

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    NIOXIN GROW RESULTS

    Only Nioxin's 30+ years of advanced scalp science can target hair thinning and hair loss for proven results you can see and feel.

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    LEARN ABOUT OUR ROOTS

    It all started 40+ years ago when Eva Graham created Nioxin.

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    LEARN ABOUT OUR ROOTS

    It all started 40+ years ago when Eva Graham created Nioxin.

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    HOW TO GET THICK HAIR

    There are a few easy steps you can follow to get thicker, fuller hair.

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