Redken Dandruff Shampoo Review 2026: Worth It?

Flakes on a dark shirt ruin a good day. You brush them off, and twenty minutes later they come back. That tiny white snow on your shoulders feels louder than it should.

Redken sells a salon priced answer to that problem. It is called Scalp Relief Dandruff Control Shampoo, and it costs around three times what a drugstore bottle costs. That price tag raises an obvious question. Does a salon brand actually beat the blue bottle sitting in every supermarket aisle?

This review covers the good parts and the parts Redken does not advertise. You will learn what the formula contains, how it feels in the shower, how fast it works, and who should skip it entirely. No fluff. Just what happened.

In a Nutshell:

• The active ingredient is 1% pyrithione zinc. This is the same proven antifungal agent found in Head & Shoulders. Redken does not use a secret molecule. It uses a standard, dermatologist tested ingredient at a strong over the counter dose.
• The hair feel is where Redken wins. Most medicated shampoos leave hair stiff, squeaky, and straw like. This one rinses clean and leaves strands soft and shiny. That single difference explains the loyal following.
• Results take time. A few users saw clearer scalps after three washes. Most reported real improvement after two full weeks of regular use. Patience matters here.
• It is color safe. Salon colorists recommend it specifically because it does not strip fresh color the way harsher medicated formulas do.
• The price stings. Around $31 for 8.5 fl oz works out to roughly $3.65 per ounce. A drugstore bottle delivers the same active ingredient for a fraction of that.
• It will not fix everything. Severe seborrheic dermatitis, scalp psoriasis, and heavy fungal overgrowth often need ketoconazole or selenium sulfide instead.

What Is Redken Scalp Relief Dandruff Control Shampoo?

Last update on 2026-10-09 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!

Redken Scalp Relief Dandruff Control Shampoo is a medicated cleanser sold in a 250 ml bottle. The brand sits under L’Oreal and distributes mainly through salons and professional retailers. This product is classified as an over the counter drug, not a cosmetic, because it contains an active medicine.

The formula targets three symptoms at once: visible flaking, scalp itch, and the oily buildup that feeds flake producing yeast. Redken also added a conditioning base so your hair does not pay the price for treating your scalp.

The brand calls it dermatologist tested. That phrase means the product passed safety screening on human skin. It does not mean doctors ranked it above competitors.

Who it targets: salon clients with colored hair, people with mild to moderate dandruff, and anyone who hates the dry crunchy feeling that standard medicated shampoos leave behind.

Unboxing Experience and First Impressions

The bottle arrives in a simple cardboard sleeve with no extra padding. Nothing fancy. Redken keeps packaging minimal, which I appreciate.

The bottle itself is white with the familiar Redken capsule design and a teal band. It stands 8.43 inches tall and feels slim in the hand. The flip cap clicks shut firmly, so it survived three shower drops without cracking open.

My first reaction after unscrewing the seal was the smell. It is minty and clean, closer to a spa product than a pharmacy one. No medicinal tar odor. No chemical sting.

The liquid pours out as a pearly white cream, thicker than most drugstore shampoos. A quarter sized amount felt like enough for shoulder length hair.

One small gripe: the opening dispenses fast. My first squeeze gave me double what I needed. Go gently.

Key Ingredients That Do the Work

The active ingredient is pyrithione zinc at 1%. This compound slows the growth of Malassezia, the yeast that lives on everyone’s scalp and triggers flaking in sensitive people. Fewer yeast colonies means fewer flakes.

Supporting players include glycerin, a humectant that pulls water into the skin and stops the dryness that medicated shampoos usually cause. Lavender oil adds scent and a mild calming effect.

The cleansing base uses sodium laureth sulfate and sodium lauryl sulfate. These are strong detergents. They create the thick lather people love, but they also explain why some curly and textured hair users find the shampoo drying on the lengths.

Redken also includes lecithin and phosphoric acid for pH balance. The acidic pH helps keep the hair cuticle flat, which is why strands look shinier after rinsing.

Top 3 Alternative for Redken Scalp Relief Dandruff Control Shampoo

Last update on 2026-06-07 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!

Nizoral Anti Dandruff Shampoo with 1% Ketoconazole

Last update on 2026-10-09 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!

Head & Shoulders Clinical Strength Advanced Oil Control Shampoo

Last update on 2026-06-05 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!

Neutrogena T/Sal Therapeutic Shampoo with 3% Salicylic Acid

How to Use It for Best Results

Redken gives two sets of directions, and the second one matters more than people realize.

The standard method is simple. Apply to wet hair, massage into the scalp with your fingertips, leave it on for five full minutes, then rinse. Most people skip the five minute wait. That is the single biggest reason this shampoo underperforms for new users.

The second method works better for stubborn flaking. Apply the shampoo to dry hair before you step in the shower. Let it sit on the scalp for ten minutes, then wet, lather, and rinse. A Redken colorist recommends this as a weekly scalp treatment.

Use your fingertips, never your nails. Scratching irritates the skin and creates more flaking.

You can use it daily. I found three washes per week kept my scalp clear without over drying my ends.

My Four Week Test Results

Week one brought no visible change. I stayed patient. The itch calmed down by day five, which was the first real signal that something was working.

Week two is when the flaking dropped noticeably. My shoulders stayed clean through a full workday. My scalp still shed a little when I scratched hard, but the loose snow stopped.

Week three delivered the best results. Flaking reduced by roughly 80% compared to my starting point. My hair also looked glossier than it did with my previous medicated shampoo.

Week four showed a small plateau. The remaining stubborn flakes near my crown never fully cleared. This matched what several long term users reported. The shampoo controls dandruff well. It does not erase it completely for everyone.

Scent, Lather and Texture in the Shower

The lather is generous. Those sulfates do their job, and a small amount spreads across a whole head without effort. Rinsing takes about twenty seconds.

The scent is peppermint forward with a soft herbal note underneath. A light tingle spreads across the scalp within a minute. The tingle is pleasant rather than sharp, and it fades a few minutes after rinsing.

The fragrance does not linger in dry hair. If you want a shampoo that perfumes your hair all day, this is not it. If you want something that smells clean in the shower and then disappears, it fits perfectly.

The texture is creamy, not watery. It stays where you put it instead of running down your face, which makes the five minute wait much easier to tolerate.

Does It Protect Colored Hair?

This is the strongest argument for choosing Redken over a cheaper option. Salon colorists repeatedly name this shampoo as the one medicated formula that does not wreck fresh color.

My tester with copper toned color saw no visible fading across four washes. Reviewers with blonde highlights reported the same stability, with no brassiness and no dullness.

The acidic pH is the reason. A lower pH keeps the cuticle closed, and closed cuticles hold dye molecules inside the strand.

That said, the sulfate base still cleanses strongly. Vivid fashion colors like pastel pink or silver will fade faster than they would with a sulfate free shampoo. Natural tone color and standard highlights hold up well. Fantasy shades do not.

If your color investment runs into hundreds of dollars, this shampoo earns its price.

Pros of Redken Dandruff Control Shampoo

Here is what this shampoo genuinely does well.

• Leaves hair soft, not straw like. This is the standout benefit. Most pyrithione zinc shampoos leave hair rough and tangled. This one does not.
• Color safe performance. Verified by colorists and by long term users with salon color. No measurable fading in my test.
• Pleasant minty scent with no medicinal smell. Easy to use before work or a night out.
• Effective on mild to moderate dandruff. Around 80% flake reduction in my four week test, with itch relief arriving in under a week.
• Doubles as a scalp treatment. The dry hair application method adds real value and works like a mini salon service at home.
• Gentle enough for daily use. No burning, no stinging, and no irritation reported during testing.
• Dermatologist tested for safety. A reassuring baseline for sensitive skin.
• Thick creamy texture spreads easily and does not drip into the eyes during the wait time.

Cons of Redken Dandruff Control Shampoo

Now the honest downsides. Every one of these came up in testing or in verified buyer feedback.

• The price is high. Roughly $3.65 per fluid ounce. Drugstore options with the same active ingredient cost under $1 per ounce.
• Results are slow. Expect two weeks before meaningful improvement. Some users waited longer.
• It weighs down fine hair. Multiple reviewers with fine strands reported lost volume and limp roots.
• Contains both SLS and SLES. Not suitable for people who avoid sulfates or who have very dry, curly, or coily hair.
• Only one bottle size exists. No large value size, which hurts when you use it three times a week.
• Inconsistent availability. Long term buyers repeatedly mention stock shortages at retailers.
• It does not work for everyone. Some testers reported no difference at all compared to their previous shampoo.
• No conditioner included despite the price point.

What This Shampoo Does Not Do Well

Honest reviews name the failures, so here they are clearly.

It does not cure severe seborrheic dermatitis. Thick yellow scaling needs a stronger antifungal. Ketoconazole or selenium sulfide products handle that job far better.

It does not treat scalp psoriasis. One reviewer with psoriasis found relief, but that is symptom management, not treatment. Salicylic acid formulas remove scale more effectively.

It does not add volume. Fine hair users consistently reported flatter roots. If body matters more than flake control, this is the wrong bottle.

It does not hydrate the hair lengths. The sulfate base cleanses hard. You will need a conditioner.

It does not deliver fast results. If you need a clear scalp before an event this weekend, buy something else.

Price and Value for Money

Last update on 2026-10-09 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!

Retail price sits near $31 for 8.5 fl oz. Subscription pricing drops it to around $29. Salon pricing varies.

Compare that to a 13 fl oz Head & Shoulders bottle at roughly $8. The active ingredient is identical in category and strength. You are paying for the base formula, not the medicine.

So is it worth it? That depends on your hair. If you have expensive salon color and you hate how medicated shampoos feel, the extra money buys real comfort and protection. That is a legitimate reason to spend more.

If you simply want flakes gone and you do not color your hair, the value case collapses. A $9 bottle will deliver the same flake control.

One bottle lasted me about seven weeks at three washes per week.

Who Should Buy It and Who Should Skip It

Buy it if you color your hair at a salon, you have mild to moderate flaking, you have medium to thick hair, and you have already tried drugstore shampoos that left your hair feeling like rope.

Buy it if you want a shampoo that treats your scalp without announcing itself with a medicinal smell.

Skip it if you have fine or thin hair that flattens easily. The conditioning agents will weigh you down.

Skip it if your flaking is severe, greasy, and yellow. See a dermatologist and ask about ketoconazole.

Skip it if you avoid sulfates or follow a curly girl routine. The detergent base conflicts with that approach.

Skip it if budget is your main concern. The performance gap does not match the price gap.

How It Compares With Drugstore Options

Against Head & Shoulders Clinical Strength, Redken loses on price and wins on hair feel. The Head & Shoulders selenium sulfide version clears heavy flaking faster. Redken leaves softer hair.

Against Nizoral with 1% ketoconazole, Redken loses on raw power. Ketoconazole kills the dandruff causing yeast more aggressively, which matters for stubborn cases. Nizoral also feels much harsher on the hair. Many people alternate the two.

Against Neutrogena T/Sal with 3% salicylic acid, the comparison changes entirely. T/Sal dissolves thick scale and buildup. Redken controls ongoing flaking. They solve different problems.

The smart approach for many users is rotation. Use a strong medicated shampoo twice weekly to knock down the yeast, then use Redken for the other washes to keep your hair healthy and your color intact.

What Real Users Say

Across verified reviews, a clear pattern emerges. Long term users love it fiercely. Several reported five or more years of continuous use after trying prescription options without success.

Parents bought it for teenagers with seborrhea and reported flakes dropping from shirt covering to pillow only. One buyer said their husband refuses every substitute.

The complaints cluster around three themes. Some users saw no difference at all. Fine haired users lost volume. Many struggled to find it in stock.

One honest review summed it up well: it helps with dandruff and itchy scalp, but fine hair gets weighed down.

Ratings run strongly positive overall, with the brand holding 88% four star and above feedback. That is solid, though not flawless.

Final Verdict

Redken Scalp Relief Dandruff Control Shampoo is a good product at an uncomfortable price.

The formula works. It uses a proven active ingredient at a strong dose, and it pairs that medicine with a conditioning base that most competitors cannot match. Your hair will look better than it does with any drugstore flake fighter.

The problem is math. You pay a salon premium for a pharmacy ingredient. The extra money buys hair feel and color protection, nothing more.

My rating sits at 4 out of 5. It loses a point purely on value.

Buy it if you color your hair and you have given up on harsh medicated shampoos. Choose a cheaper bottle if flake control is your only goal and your budget matters.

Frequently Asked Questions

How long does Redken dandruff shampoo take to work?

Most users see itch relief within five to seven days. Visible flake reduction usually arrives in two weeks. A small number of people reported clearer scalps after just three washes, but that is the fast end of the range. Give it a full month before deciding.

Can I use Redken Scalp Relief every day?

Yes. Redken confirms daily use is safe. Most users find three washes per week enough for control. Daily washing may dry out the hair lengths because of the sulfate base, so pair it with a conditioner.

Does this shampoo strip hair color?

No, it does not strip standard salon color. The acidic pH keeps the cuticle closed and protects dye. Vivid fashion shades like pastel or silver will still fade faster than they would with a sulfate free shampoo.

Is Redken dandruff shampoo sulfate free?

No. It contains sodium laureth sulfate and sodium lauryl sulfate. These create the rich lather but make it unsuitable for curly girl routines or very dry textured hair.

What is the active ingredient?

Pyrithione zinc at 1%. This antifungal slows Malassezia yeast growth on the scalp, which reduces flaking and itch.

Does it work for seborrheic dermatitis?

It helps mild cases. Severe seborrheic dermatitis with thick yellow scale usually needs ketoconazole or selenium sulfide. Speak with a dermatologist if your symptoms are persistent or painful.

Will it weigh down fine hair?

Possibly. Fine haired reviewers consistently reported reduced volume. Apply it mainly to the scalp and rinse thoroughly to limit the effect.