Quick answer
Dandruff is usually a yeast and oil problem, not a dryness problem. That is why oiling often makes it worse. Here is what actually treats it.
Want the authentic one? Every product on TheSkinProof is invoice-verified.
Shop verified shampoos →The short answer
What actually gets rid of dandruff: an anti-dandruff shampoo with an active ingredient (ketoconazole, zinc pyrithione, selenium sulfide or salicylic acid), used 2–3 times a week and left on the scalp for 3–5 minutes, and no scalp oiling while the flaking is active. Most dandruff is not a dryness problem; it is a yeast and oil problem. Dandruff usually does not go away for good, but with regular care it stays well under control.
Dandruff is not dry scalp
Most dandruff is caused by Malassezia, a yeast that lives on almost everyone’s scalp and feeds on scalp oil. Some scalps react to it more strongly; the skin then sheds faster, itches, and leaves white or yellowish flakes on your shoulders. This is why the common advice, oil the scalp more, often makes flaking worse, not better.
Dandruff or dry scalp? Check first
| Sign | Dandruff | Dry scalp |
|---|---|---|
| Flakes | Larger, yellowish or oily | Small, white, powdery |
| Scalp | Oily, sometimes reddish | Tight, rough |
| After oiling | Often worse | A bit better |
| Elsewhere | Flaking may appear on eyebrows, beside the nose, behind the ears | Usually only the scalp, with dry hands and legs too |
A dry scalp needs a gentle shampoo, cooler water and less frequent washing. There is a separate post on winter scalp itch: how to stop an itchy scalp in winter.
What actually works: five steps
1. Use an active shampoo, not a "smooth hair" one
Look for ketoconazole, zinc pyrithione, selenium sulfide or salicylic acid on the label. A shampoo that only promises soft, shiny hair does not treat dandruff.
2. Leave it on for 3–5 minutes
An anti-dandruff shampoo rinsed immediately does almost nothing. The active needs contact time. Massage it into the scalp, not the hair, with your fingertips, then count the minutes.
3. Use it 2–3 times a week, not daily
Alternate with a gentle shampoo on other days. Using an active shampoo every day can dry the scalp and irritate it.
4. Stop oiling while flaking is active
Oil feeds the yeast. Resume once the scalp is settled, and even then the lengths are a better place for oil than the scalp. See how to oil your hair properly.
5. Rotate actives if it stops working
Malassezia adapts. Switching between two different actives keeps results steady.
What each active does
| Ingredient | What it does | Note |
|---|---|---|
| Ketoconazole | Reduces the yeast | Twice a week is usually enough |
| Zinc pyrithione | Reduces the yeast; good for maintenance | Results hold with regular use |
| Selenium sulfide | Reduces yeast and flaking | Can lighten dyed hair; rinse well |
| Salicylic acid | Loosens thick flakes | Use less often on a dry, sensitive scalp |
For help choosing a specific shampoo, see which shampoo is best for dandruff.
An honest note on our stock
We do not currently stock an anti-dandruff shampoo with any of the actives above, so we will not sell any of our shampoos as a dandruff treatment. For the in-between days of an active-shampoo routine, we do have gentle shampoos and a conditioner for the lengths. Prices as of 27 September 2026; the product page shows the current price.
| Product | Job | Size | Price |
|---|---|---|---|
| L’Oréal Elvive Hyaluron Plump Shampoo | Gentle in-between shampoo, normal to oily scalp | 375 ml | ৳1,397 |
| Tresemmé Keratin Smooth Shampoo | In-between shampoo, dry hair | 170 ml | ৳749 |
| Tresemmé Keratinbond+ Conditioner | Lengths only, never the scalp | 170 ml | ৳799 |
These do not treat dandruff; they keep hair from turning rough alongside an active shampoo.
A simple weekly routine
- Saturday and Tuesday (or Thursday): active shampoo, 3–5 minutes on the scalp, rinse, conditioner on the lengths.
- One or two days in between: gentle shampoo.
- After four to six weeks, once flaking settles: active shampoo once a week for maintenance.
Why dandruff keeps coming back in Bangladesh
- In winter, dry air weakens the scalp barrier, hot baths become more frequent, and caps and mufflers keep the head covered so sweat and oil build up.
- Hijabs, caps and bike helmets worn over damp or sweaty hair keep the scalp moist. Dry your hair before covering it, and wash the helmet lining regularly.
- Sharing combs and pillows at home is best avoided; change pillowcases once a week.
- Very hot water dries the scalp; wash your hair with lukewarm water.
Mistakes that make dandruff worse
- Massaging oil into the scalp every night during a flare.
- Rubbing lemon juice or home mixtures into the scalp, which can add irritation.
- Scratching the scalp with your nails or peeling flakes off.
- Putting conditioner or a hair mask on the scalp.
- Giving up after two or three uses because "it does not work"; give it at least four weeks of regular use.
If a baby has yellow, greasy crusts on the scalp (cradle cap), do not use an adult anti-dandruff shampoo; ask a paediatrician first.
When to see a doctor
Bleeding, thick yellow crusts, severe itch or hair loss with patches is not ordinary dandruff. Also see a dermatologist if there is no improvement after four to six weeks of using an active shampoo correctly, if you see thick, silvery, scaly patches, or if there are painful bumps and pus on the scalp. These need a proper diagnosis, not another shampoo.
Shop verified
Every product on TheSkinProof is batch-checked against the importer invoice, with 2× money-back if proven counterfeit. Verified shampoos · scalp care
What to use, how to use it, where to buy it
Step by step, by time of day. Every product is invoice-verified.
- 1
Right after a bath
Regular shampoo
Shampoo 3–4 times a week, massaging the scalp gently with fingertips for 1–2 minutes and rinsing with lukewarm water. We don't stock a medicated anti-dandruff shampoo (ketoconazole or zinc pyrithione) right now; for mild flakes, washing more often with this hydrating shampoo is the first step.
L'Oréal Paris Elvive Hyaluron + Plump 72H Hydrating Shampoo৳1,397Buy - 2
Right after a bath
Conditioner on lengths only
Apply conditioner from mid-lengths to ends only, never on the scalp. Leave 2 minutes and rinse well.
Tresemme Keratin Smooth Keratinbond+ No.2 Conditioner৳799Buy - 3
During the day
Serum on dry ends
When hair is dry, apply 1–2 drops of serum to the ends only. Keep oil and serum off the scalp; the dandruff yeast feeds on oil.
Livon Anti Frizz Serum for All Hair Types৳349Buy - 4
1–2 times a week
If you oil, do it right
If you want to oil, do it on the lengths only, an hour before shampooing, once a week. Leaving oil on the scalp overnight can make dandruff worse.
Ribana Organic Coconut Oil৳450Buy
💡 If the scalp is red, sore, has thick yellow scales, or flakes don't ease after 4 weeks of regular washing, see a doctor; it may be seborrhoeic dermatitis or something else.
Frequently asked questions
What actually causes dandruff?
Most dandruff is caused by Malassezia, a yeast that feeds on scalp oil, so it is usually a yeast and oil problem rather than a dry scalp. That is why the common advice to oil the scalp more often makes flaking worse, not better. Treating it means using an active shampoo that targets the yeast.
Which ingredients should an anti-dandruff shampoo contain?
Look for ketoconazole, zinc pyrithione, selenium sulfide or salicylic acid on the label. A shampoo that only promises smooth hair will not treat dandruff. If one active stops working over time, switch to another, because Malassezia adapts and rotating between two actives keeps results steady.
How long should I leave anti-dandruff shampoo on my scalp?
Leave it on for three to five minutes before rinsing. An anti-dandruff shampoo rinsed off immediately does almost nothing, because the active ingredient needs contact time with the scalp to work. Use it two to three times a week and alternate with a gentle shampoo on the other days.
When is flaking not ordinary dandruff?
Bleeding, thick yellow crusts, severe itching, or hair loss in patches are not ordinary dandruff. These signs need a dermatologist rather than another shampoo. Ordinary dandruff usually responds to an active shampoo used correctly, with contact time and a pause on scalp oiling while the flaking is active.
Can people with sensitive scalps use anti-dandruff shampoo safely?
Yes, but start with two uses a week and watch for extra itching or redness, since active ingredients like ketoconazole or salicylic acid can feel strong on a sensitive scalp at first. Rinse thoroughly and follow with a gentle regular shampoo on other days.
Where can I buy an authentic anti-dandruff shampoo in Bangladesh?
Choose a seller who can show the importer's invoice and batch number for the shampoo. TheSkinProof is an invoice-verified skincare marketplace where every product is checked against the invoice and batch before it is listed.