Use the following zoom and pan buttons to control the image that follows them
Tab through the images or use the previous or next buttons to navigate each product image
- Available to ship
- See same day delivery eligibility in bag
Earn points on this purchase.
Summary
Designed for dry, damaged, colored hair with progressed thinning. Clinically and dermatologically tested, this complete scalp & hair thickening system thickens and strengthens your hair against breakage while providing color protection. 8 out 10 users saw thicker, fuller hair in 30 days!
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.
- 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.
Research Results
- 85% of consumers noticed a thickening effect, 80% noticed an increase in hair density, 80% noticed an increase in hair fullness
Disclaimers
- *Based on a survey among 230 U.S. panelists concerned about thinning hair who tried the systems (each tested 1 system kit), conducted by SIRS, 2016
- Step 1: Apply shampoo to scalp and massage evenly. Rinse thoroughly.
- Step 2: Rub condition from root to ends. Rinse thoroughly.
- Step 3: Apply treatment to scalp and hair, from roots to ends. Do not rinse. Use the complete system daily for visible results.
Pre-caution: Do not get into the eyes. Keep out of reach of children. For any questions or concerns about side effects, always consult a medical professional.
System Kit 4 Shampoo: Aqua/Water/Eau, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Sodium Chloride, PPG-2 Hydroxyethyl Coco/Isostearamide, Sodium Benzoate, Citric Acid, Salicylic Acid, Mentha Arvensis Leaf Oil, Mentha Piperita (Peppermint) Oil, Tetrasodium EDTA, Trisodium Ethylenediamine Disuccinate, Methylparaben, Polyquaternium-10, Propylene Glycol, Sodium Hydroxide, Limonene, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Niacinamide, Panthenol, Biotin, Lecithin, Tocopheryl Acetate, Foeniculum Vulgare (Fennel) Fruit Extract, Yellow 5 (CI 19140), Acer Saccharum (Sugar Maple) Extract, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum/Sugar Cane Extract/Extrait de canne à sucre, Vaccinium Myrtillus Leaf Extract, Faex Extract/Yeast Extract/Extrait de levure, Propylparaben, Blue 1 (CI 42090), Phenoxyethanol, Citrus Aurantium Dulcis (Orange) Fruit Extract, Red 33 (CI 17200), Maltodextrin, Potassium Sorbate, Sodium Citrate, Ethylparaben, Butylparaben, Sodium Xylenesulfonate.
System Kit 4 Conditioner: Aqua/Water/Eau, Cetyl Alcohol, Stearamidopropyl Dimethylamine, Stearyl Alcohol, Distearyldimonium Chloride, Phenoxyethanol, Benzyl Alcohol, Cetearyl Alcohol, Hydroxypropyl Guar, Glyceryl Stearate, Oleyl Alcohol, Mentha Piperita (Peppermint) Oil, Mentha Arvensis Leaf Oil, Propylparaben, Polysorbate 60, Propylene Glycol, Methylparaben, EDTA, Hydroxyethylcellulose, Citric Acid, Quaternium-80, Limonene, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Tocopheryl Acetate, Lecithin, Biotin, Panthenol, Niacinamide, Foeniculum Vulgare (Fennel) Fruit Extract, Disodium Phosphate, Acer Saccharum (Sugar Maple) Extract, Vaccinium Myrtillus Leaf Extract, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum/Sugar Cane Extract/Extrait de canne à sucre, Faex Extract/Yeast Extract/Extrait de levure, Sodium Phosphate, Citrus Aurantium Dulcis (Orange) Fruit Extract, Maltodextrin, Blue 1 (CI 42090), Potassium Sorbate, Sodium Benzoate, Ethylparaben, Butylparaben.
System Kit 4 Treatment: 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.
We think you'll like
12 items
Use previous and next buttons to navigate the slides of the We think you'll like Product Carousel
Similar items for you
12 items
Use previous and next buttons to navigate the slides of the Similar items for you Product Carousel
Sponsored products
12 items
Use previous and next buttons to navigate the slides of the Sponsored products Product Carousel
Questions
Ask a QuestionQ&A
Showing 5 out of 394 Questions
- Q
Which system is best for irritated hair follicles, dry scalp, slight dandruff & color treated & highlighted hair? Thick hair, but fine and straight and thinning around top corners or forehead.
- Asked by ThisIsMe
- Official Answer By Nioxin - Brand EngageIt would be recommended to take care of the scalp first with our Nioxin Scalp Recovery System. Once the scalp is under control you can focus on stimulating growth and the optimal growing environment with Nioxin System 3 products.Was this answer helpful to you
- Q
Are any of the Nioxin shampoos/conditioners color hair friendly?
- Asked by Joanna
- Official Answer By Nioxin - Brand EngageSystem Kit 3 & 4 products have color protectant, and Hair Fall Defense Shampoo is also color safe.Was this answer helpful to you
- Q
My hair is getting very thin and keeps breaking when i brush it. How fadt will I notice my hair getting thicker fuller a d not breaking off? This product will help with thst correct?
- Asked by Survivor
- Official Answer By Nioxin - Brand EngageYou hair should start to look and feel thicker in about 60 washes with the System 4 kit. For breakage you will want to use Nioxin Anti-breakage Strengthening Mask. Anti-breakage Strengthening Mask promotes the thickness and strength of your hair by providing an effective defense against breakage. This nourishing hair mask delivers vital nutrients and hydration to your scalp, promoting healthier hair and protecting against breakage. To apply, simply dispense a small amount of Density Defend Anti-breakage Strengthening Mask onto towel-dried or dry hair. Gently massage it into the scalp and evenly distribute along the lengths of your hair, rinse and style as desired. For optimal results, combine it with your recommended Nioxin shampoo and conditioner.Was this answer helpful to you
- Q
Do u have a conditioner to go w/ the Nioxin shampoo?
- Asked by Pooferpad
- Official Answer By Nioxin - Brand EngageYes, there is a Nioxin Scalp + Hair Thickening System 4 ConditionerWas this answer helpful to you
- Q
Is this good for women with Alopecia ?
- Asked by G
- Official Answer By Nioxin - Brand EngageNioxin System Kits are always the best place to start. The idea is to create the optimal growing environment for your hair. This is done by cleaning out hair follicles, stimulation of the scalp and adding antioxidants and botanicals to keep the hair and scalp healthy. Nioxin system kits are formulated for certain hair types. Please use the following information to figure out which system is right for you. Normal to thin looking hair System 1- Formulated for natural, untreated hair with light thinning System 3- Formulated for dry, damaged, coarse, or colored hair with light thinning Noticeably thinning hair- has UV protection as an added benefit System 2- Formulated for natural, untreated hair with progressed thinning System 4- Formulated for dry, damaged, coarse, or colored hair with progressed thinning Please call Nioxin Technical support at 800-935-5273 for additional information and product recommendations.Was this answer helpful to you
Reviews
Write A REVIEWReview Snapshot
by PowerReviews
Ratings Distribution
My Beauty Routine Takes
- 9130 Minutes
- 6110 Minutes
- 221+ Hour
Best Uses
- 277Fine Hair
- 254Daily Use
- 83Women
- 45Hair Loss
- 37Color-treated Hair
Describe Yourself
- 203Beauty Conscious
- 131Survivalist / Minimalist
- 103Brand Buyer
- 67Budget Shopper
- 46Product Junkie
Hair Type
- 266Straight Hair
- 153Wavy Hair
- 30Very Curly Hair
Most Helpful Positive Review
Less hair fall
I'm very skeptical when it comes to products that claim to help with hair loss so I wasn't expecting this product to actually help, but it did within two weeks of usage. My hair was falling out in huge chunks due to high stress prior to switching to this system. Only problem is I don't see any baby ...
Most Helpful Critical Review
Good system but not seeing results
I have thick wavy/curly islander hair but I've noticed it thinning the past few years. I've used Nioxin for about 2 months now, the shampoo, conditioner, and the leave in treatment (System 4) and I honestly haven't seen any new growth... or thicker hair. It's made my hair appear healthier (shinier...
1097 results
Not for bleached hair
I bought this one for the dry color treated hair but it broke it off more. Feels good on the scalp but drys out the damaged hair worse
Made my hair feel like straw
Hair Type Wavy Hair
It did make my hair fuller but really dried it out.
Great product!
Hair Type Straight Hair
Bought this kit and starting using as a result of increasing hair loss and breakage. Not sure? Old age? Menopause? All of the above. Have been happy with the results in seeing decreased breakage and new growth. Enjoying the shampoo and conditioner more than the added foam. The foam makes kind of a sticky, crunchy mess of the hair and was told by my hairdresser never to use prior to going for highlights as it can interfere and cause some unexpected color change (i.e., green). Will also say the peppermint scent is an eyeopener in the morning!
Yes buy again
Hair Type Wavy Hair
This makes my hair very soft. I can't say it has helped with hair growth and I have been using the conditioner and shampoo for years. I wish it would. On the upside; I recently saw my dermatologist for my yearly skin cancer check, and she thoroughly searches you from head to toe. She said my hair was extremely healthy.
My hair is THICC but SO DRY!
Hair Type Wavy Hair
I absolutely love this product for the intended purpose of thickening my hair, but holy cow, my hair is now like HAY. It is so incredibly dry, and I struggle to untangle it and had to order an Unbrush to even work through it all. The product really works for what people want to buy it for, but wow, my hair is truly the driest it has ever been. But if you want your hair THICK? This may work. Just be wary about overwashing and be sure to treat your hair, especially if you have long, color-treated hair like I do.