Nioxin Scalp & Hair Leave-In Treatement System 4 (Color Treated Hair/Progressed Thinning) is a expert thickening scalp and hair leave-in treatment for colored/chemically treated hair with progressed thinning.

Benefits Professional volumizing scalp and also hair leave-in treatment for colored/chemically treated hair via progressed thinning. Transenergetic Deliextremely System 2.0 modern technology provides thicker-looking hair by enhancing the fullness of each hair strand. Moisturizes hair and also scalp for thicker, fuller hair. Increases hair resilience plus moisture balance. Shake well. Apply evenly to entire scalp. Do not rinse. Nioxin"s diameter-raising Scalp Treatment is the last action of the 3 component System, which amplifies hair texture while protecting against breakage.

How to Use

Apply straight to entire scalp. Gently massage right into scalp. Do not rinse. Use everyday. May cause short-lived redness to scalp after application.

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Active Ingredients: Ensulizole, Sulisobenzone Inactive Ingredients : Water, Polysorbate 20, Sodium Hydroxide, Phenoxyethanol, PEG-12 Dimethicone, Citric Acid, Cocamidopropyl Betaine, Acetamide MEA, Isopropyl C12-15-Pareth-9 Carboxylate, Methylparaben, Tetrasodium EDTA, Hydrolyzed Keratin, Propylene Glycol, Propylparaben, Panthenol, Methyl Nicotinate, Fragrance, Polysorbate 80, Polysorbate 60, Mentha Piperita (Peppermint) Oil, Menthol, Mentha Arvensis Leaf Oil, PEG-23M, Methylisothiazolinone, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Lecithin, Foeniculum Vulgare (Fennel) Fruit Extract, Saccharomyces/Magnesium Ferment, Biotin/Folic Acid/Cyanocobalamin/Niacinamide/Pantothenic Acid/Pyridoxine/Riboflavin/Thiamine/Yeastern Polypeptides, Yeastern Extract, Saccharomyces/Iron Ferment, Saccharomyces/Copper Ferment, Saccharomyces/Silsymbol Ferment, Saccharomyces/Zinc Ferment.

Product Reviews

Rated 4.45 out of 5 stars

1033 Reviews

Many Helpful Optimistic Review

Less hair fall

I"m extremely unconvinced when it pertains to commodities that insurance claim to aid via hair loss so I wasn"t expecting this product to actually aid, but it did within 2 weeks of intake. My hair was falling out in astronomical chunks due to high stress before switching to this mechanism. Only problem is I don"t check out any baby hairs and my hair is still growing out thin and is light brown at the roots (my herbal hair color supplied to be dark brown/black).

Most Helpful Critical Review

Good system however not seeing results

I have thick wavy/curly islander hair but I"ve noticed it thinning the past few years. I"ve offered Nioxin for about 2 months currently, the shampoo, conditioner, and also the leave in treatment (System 4) and I honestly haven"t viewed any brand-new expansion... or thicker hair. It"s made my hair show up healthier (shinier, less dead-ends), yet that was not my entire intentions. I wanted my old hairline and fullness ago. I"ll provide it one more month in hopes that I view some results. Not impressed so far via the price I"m paying.

Reperceived by 1033 customers

I will certainly be buying this aobtain, until my hair returns


Mommapam57 fromClarksville Tennessee

It"s a straightforward 3 step regime that you need to number out what number you qualify for usage age for. Thankfully tbelow was a good perboy working the day that I made my purchase who walked me with the whole point.

Didn"t choose this product.


Emerald fromIdaho

I"ve been making use of this product for 2 weeks currently, and although I view a really slight difference in thickness feeling to my hair, it had zapped my hair of all moisture and also it looks fried. The amount of ingredients really deters me from continuing to be through this hair line.

I would certainly buy this again


No nickname fromNew mexico

Helps through thinnings of hair.

Redness and also Hair Loss!


Carla fromFlorida

I tried all of these products at the suggestion of my dermatologist bereason of my thinning hair. After utilizing the product for a month, my hair loss was boosting drastically with consumption, plus I occurred a bbest red scalp that actually hurt and also was warm to the touch. I stopped using the products and also my scalp calmed down and also the redness went amethod. I also experienced my hair loss mitigate substantially. This is one time, I will take nature over chemicals to solve it.

I wouldn"t buy this aobtain at


Princess fromIndiana

Got this else where for much cheaper. Got both shampoo and conditioner for 4 dollars even more then one bottle at!!!

I would certainly buy this product again


Kathy fromRancho Santa Margarita, CA

My hairdresser recommfinished this product number (thin and colored hair) as I was losing rather a bit of hair. Shelp utilizing product will sluggish the loss and last time I had my hair done, she told me she saw hair development coming back. So within 6 weeks - I had brand-new growth. I"ve recommended to a friend and also this is what this purchase was all around. I paid it forward.

I would certainly buy this product again and again!


Angela T. fromWinter Haven FL.

Follow directions. Three simple and also straightforward steps to usage.

I would and also will certainly buy this product again!


Eva fromTupelo,Mississippi

Product was and also is precisely what I"ve been needing!Thank you!

Buy this product all the time.


Wanda fromThe Mall, 5000 Shelbyville Roadway, Lou, KY

Shampoo everyday and also it helps through thinning hair, not disturbing the shade.

If I might give it no stars I would


Boymother fromUS

This is awful! The smell is awful! The feeling of your hair after is awful! I provided as soon as and 3 days later my head still itches from it!

This stuff works


Recommend! fromCosta Mesa, ca

Nioxin step 4 Works excellent for me. My hair was thinning poor and was not flourishing at all for a few years so I tried a ton of various points and I can truly say that stuff has functioned great for me. I still use it this particular day. My hair has grown at least 6 inches within the last year to year and also a half I"d say. It"s so a lot thicker now and looks excellent. I hope they continue to offer this forever before. Highly recommfinish. Can be a little drying yet I Used in combination via another shampoo and also conditioner. I usage this when a day and also the other for my second shower.

12 Years of usage...give it time!


Smb80 fromWichita KS

After my first son, 6 months later my hair was coming out in clumps. I was shocked and also upcollection and also all everyone would tell me is "this happens". A mother of a life long frifinish that had been a hair stylist all her life told me to try Nioxin. I offered it nearly exclusively for years. It makes a large difference! First of all you need to give it time. Hair takes time to flourish and so you will certainly not view prompt growth. You need to notification a much more well balanced scalp, much less shedding and even more volume to the hair when styled. It will certainly not be as noticeably thinning after even one use. You perform need to be consistent. I perform not wash my hair day-to-day bc I tfinish to have actually a drier scalp and skin to begin through. Now in my at an early stage 40"s I"ve started the mechanism aget bc stress and anxiety is thinning my hair out at the crown. I foracquired how good this stuff feels on your scalp and also exactly how clean your scalp is after using it. You perform must apply the conditioner to your scalp. Rinse well! And my advice is to use another product on the ends. It have the right to be a small drying. I need to point out my hair is currently a dark shade treated red. Make certain you acquire the variation for shade treated hair so it does not spilgrimage shade bc the other versions can over time. I was told not to wear tight ponytails on the peak of my head or to twist my hair up in a towel as not to pull or break off even more hair. Mdental of the story: if you"re frustrated via thinning hair and shedding volume attempt this and also offer it a solid 3-6 month go at minimum. I had results and also it honestly was a lifesaver for me. Thinning hair sucks!

Not Sure, yet...


Amy fromOffalon, il

Been making use of this, the conditioner, what deserve to I say? My problem is, I"ve obtained a rat"s colony after! Been using kenra luxe one leave in after...not poignant it when trying to brush my hair out. Yes, it may work? But just how to comb/brush? Just ugh!

Somewhat liked


Bree fromOklahoma

I really wanted this product to work-related. From the first shampoo I can really tell a distinction in the thickness feeling of my hair. After around the first week, I began noticing a lot more hair falling out in the shower. By week 4 large clumps of hair was still falling out. I know they tell you your hair will go through a detox, but i found continuous hair loss for the whole 9 weeks that i provided this. After around 5 weeks of use, I started to gain a really itchy scalp and dandruff started. It was drying my hair out too much so I would incorporate leave in conditioning treatments and hair masks. Nopoint was helping the itching and dandruff until I stopped making use of it totally. My hair did "Feel" thicker, but I felt I was losing too a lot hair via this product.

Just ok


Great hair please! fromEast coast

I am not seeing any hair growth at all after 3 months of use. What I carry out view is that my hair is thicker, like each hair strand also is a bit thicker, fuller. I usage every one of the products in the action 4 kit however my hair is still significantly thinning out on the top front & my scalp is exceptionally itchy wright here I use the foam. The foam additionally leaves construct up on my hair near the roots. I execute use the foam only to the scalp, as finest as I have the right to.

Great product


Amorbella fromCalif

I"ve used this from 15 plus years! Works wonders

Nioxin device 4


Liz fromCalifornia

It was a poor endure. I used it once and it led to an allergic reaction to my scalp. A lot of redness . Not utilizing it again

I will store buying this product


Mom fromMesa AZ

Use eextremely other day. Seems to make my hair fuller

Don"t ever buy!!


Mary fromBronx, NY

This made my scalp reason an allergic reactivity and also I had actually to go shower aacquire to remove it off. It cause most redness and also molting. Will definitely go gain my money ago.

nioxin commodities every one of them


none fromburlington, ky.

view over nioxin commodities are great

Turns hair yellow.


Traver fromProvidence, Rhode Island 02904

I have supplied this product for 6 months and began thinking it might only occupational on pure grey or White hair non colored..



H fromTexas

I have actually just used twice currently but WOW. My hair has actually never felt this smooth or looked this good. (I have actually frizzy thick hair)

I will buy this product aget.


earthmother31951 fromSpokane Valley, WA

My hair was thinning. Using this product through the shampoo and also scalp treatment, it appears to be thicker. I am happy through the outcomes.



Immas fromArizona

I love this shampoo! My hair was thinning after my second baby, I would lose so much hair after showering I started utilizing this and also I have not stopped! I"m on my third 1 liter bottle, my hair loss out has actually substantially diminished.

I have bought this for fairly a while.

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Lisa fromGillette, WY

To acquire the advantage of this it hregarding be supplied continually. I usage it in addition to the shampoo and also the leave in therapy.