Advice

Natural Anti-Dandruff Treatment: Targeting the Microbiome

Dandruff or a dry scalp? How to tell the difference, what science says about the microbiome and natural active ingredients, and a 3-step routine for a natural, long-lasting dandruff treatment.

Madame d’AlexisHair expertise 8 min read
Natural Anti-Dandruff: Working with the Microbiome Madame d'Alexis
Natural Anti-Dandruff Treatment

Dandruff: Rebalancing the scalp's microbiome, not just scratching off the flakes

Dandruff isn't a hygiene issue. It most often indicates an imbalance in the scalp, an overgrowth of Malassezia, a compromised skin barrier, and a hair care routine that's too harsh.

4 to 6 weeksA realistic timeframe for establishing a natural routine.
3 stepsScrub, gentle shampoo, microbiome night serum.
0 strippingThe goal is to restore balance, not to dry it out.

Things to Keep in Mind Before Treating Dandruff

1
Oily dandruff ≠ dry scalpOily dandruff sticks to the scalp, while dry dandruff falls off easily.
2
The cause is often microbialMalassezia proliferates when sebum, pH, and the skin barrier become disrupted.
3
Natural products need structureOrganic hydrosols, prebiotics, postbiotics, a consistent routine—not just occasional DIY projects.
4
The ideal timeframe: 4 to 6 weeksThe goal is a stable ecosystem, not a “zero dandruff” effect after just two washes.

The Targeted Routine for a Scalp with Dandruff

Three quick, straightforward, complementary skincare steps: remove dead skin cells, cleanse without stripping the skin, and support the microbiome overnight.

Madame d’Alexis Scrub, exfoliating scalp shampoo with organic floral waters
Mrs. Alexis

The Scrub - Exfoliating scalp shampoo with organic floral waters

Reset Scalp · Dandruff · Sebum

Fine Fleur de SelOrganic floral watersEvery 10 to 15 days
★★★★★4.8/5(49 reviews)
39.00 €View treatment
Madame d’Alexis Sulfate-Free Shampoo with Organic Hydrosols
Mrs. Alexis

The Shampoo - Organic Hydrolats and Hyaluronic Acid

Gentle cleansing · sulfate-free · pH-balanced

SLS/SLES-freeCationic HA3 plant proteins
★★★★★4.9/5(83 reviews)
€35.00View treatment
Madame d’Alexis Probiotic Anti-Hair Loss and Thickening Night Serum
Mrs. Alexis

Anti-Hair Loss & Thickening Night Serum with Probiotics

Microbiome · comfort · density

ProbioticsPostbioticsScalp
★★★★★4.8/5(61 reviews)
€35.00View treatment

1. Dandruffor Dry Scalp: The Diagnosis That Changes Everything

Before looking for a natural anti-dandruff treatment, you first need to distinguish between dandruff and a dry scalp. The two are similar, but their causes and treatments are opposite.

Standard Films

  • Oily, yellowish, sticky scales.
  • Greasy roots 24 to 48 hours after washing.
  • Localized itching, sometimes accompanied by a slight odor.
  • Symptoms worsen with stress, in the winter, and with excessive use of styling products.

Dry scalp

  • Fine, white, loose flakes.
  • A pulling sensation or a diffuse burning sensation.
  • Dull mid-lengths, dry ends.
  • Condition worsens with hard water, harsh washing, heat, and hair coloring.

Simple test: 24 hours after washing your hair, run your finger over your scalp. If it feels oily, it’s likely dandruff. If it feels tight and has fine flakes, it’s likely dryness. Confusing the two can worsen white or yellow dandruff and flaking.

2Causesof dandruff: the microbiome, Malassezia, and inflammation

The root cause of dandruff is not poor hygiene. It is linked to an overgrowth of Malassezia, a yeast that is naturally present on the scalp. When it overgrows, it breaks down sebum into irritating fatty acids; the scalp reacts, and cell turnover accelerates.

This is where the scalp microbiome and dandruff become inextricably linked: it’s not just a matter of having “too much yeast”—it’s an entire ecosystem that’s out of balance.

1Modified sebum

Excess, oxidation, or buildup at the root.

2Malassezia proliferates

Yeast feeds on the lipids in sebum.

3Local inflammation

Irritating fatty acids, itching, discomfort.

4Visible scales

Accelerated renewal cycle, cells clumping together.

Recent studies on the microbial imbalance that causes dandruff show a characteristic dysbiosis: certain opportunistic yeasts and bacteria increase, while protective bacteria decrease.

3Dry, Irritated Scalp: Why We Often Choose the Wrong Treatment

A dry scalp can cause flaking and itching, but it doesn’t necessarily require an antifungal ingredient. It often needs a restored skin barrier, a gentler cleanser, and soothing ingredients.

Harsh sulfatesThey strip away the hydrolipidic film and contribute to a tight, pulling sensation on the scalp.
Hard waterIt leaves mineral deposits, dries out the scalp, and dulls the hair.
Repeated Hair DyeingThey weaken the hair’s keratin and can sensitize the scalp.

If the flakes are fine, white, and loose, and your scalp feels tight after washing, the problem is likely dry scalp rather than oily dandruff.

4Natural vs. Synthetic Ingredients: What Really Works

A well-formulated natural anti-dandruff treatment does not seek to eradicate Malassezia. It aims to restore the balance of the microbiome to prevent its excessive proliferation. This is a crucial distinction.

Approach Interest Limitation When to Use It
Synthetic antifungal agents Rapid Action Against Malassezia May cause irritation with prolonged use Severe dandruff or dermatitis; seek medical advice if necessary
Vinegar, clay, baking soda Short-term effect on pH or sebum May cause irritation if not properly measured Occasional use, never daily
Active Organic Floral Waters Soothe without leaving a greasy residue and respect the skin's natural barrier Require consistency Sensitive, dry, or itchy scalp
Prebiotics and Postbiotics Support the resident flora Progressive Results 4- to 6-week microbiome regimen

At Madame d’Alexis, the approach is based on bioactive hydrosols, mild surfactants, prebiotics, and postbiotics. The goal: to be gentle on the scalp, not to strip it.

5. A Natural 3-Step Anti-Dandruff Routine

The most effective routine consists of three steps: gently removing dead skin cells without causing irritation, cleansing without stripping the skin, and then supporting the microbiome overnight.

Step 1

Floral Scrub, 1 to 2 times a week

A gentle exfoliation helps remove dead skin cells and oxidized sebum. It’s the key step for reducing dandruff and scalp inflammation without causing irritation.

Madame d’Alexis Scalp Exfoliating Scrub
Recommended treatmentThe Scalp Exfoliating ScrubDandruff · Oxidized Sebum€39.00
Step 2

Gentle shampoo, with every wash

The shampoo cleanses the scalp without harsh sulfates. It breaks the vicious cycle of “I strip it, it gets oily again, I scratch.”

Madame d’Alexis Sulfate-Free Shampoo
Recommended careSulfate-Free ShampooOrganic Hydrosols · HA€35.00
Step 3

Overnight Serum, No-Rinse

At night, the scalp regenerates. A targeted treatment with probiotics and postbiotics helps maintain the balance of the microbiome over time.

Madame d’Alexis Microbiome Night Serum
Recommended treatmentMicrobiome Night SerumProbiotics · Postbiotics€35.00
What can you expect? The first results—less itching and a more comfortable scalp—often appear within 2 to 3 weeks. To eliminate dandruff naturally and more effectively, aim for 4 to 6 weeks of consistent use.

6Whento Seek Medical Attention: Pathological Dandruff or Functional Imbalance?

A natural anti-dandruff treatment addresses an imbalance in the microbiome. It is not a substitute for a dermatological diagnosis if the scalp shows signs of a medical condition.

Seek medical attention immediatelyRed patches, thick scales, oozing, bleeding, or pain.
MonitorMild to moderate itching, dandruff that fluctuates with stress or the seasons.
AdjustGentle skincare routine, hydrosols, occasional exfoliation, nighttime treatment, followed by a review after 6 weeks.

If you have thick flakes, redness, or widespread scalp issues, be sure to read our guide on oily dandruff and natural remedies to better understand your specific condition before consulting a professional.

7 FAQson Natural Anti-Dandruff Remedies

What exactly is a natural anti-dandruff treatment?
This treatment aims to rebalance the scalp’s microbiome using organic hydrosols, prebiotics, probiotics, or postbiotics, rather than simply seeking to neutralize Malassezia with a strong active ingredient.
Is a natural anti-dandruff shampoo as effective as one sold at a pharmacy?
For mild to moderate dandruff, yes, provided the treatment regimen is followed consistently for 4 to 6 weeks. In cases of established seborrheic dermatitis, scaling, or pain, a dermatologist’s evaluation is still necessary.
Is apple cider vinegar a good natural dandruff treatment?
It can temporarily alter the pH of the scalp, but it can also cause irritation if used undiluted or too often. It is not a substitute for a comprehensive routine that includes organic hydrosols and microbiome support.
Is it possible to make an effective homemade anti-dandruff mask?
A homemade mask made with clay, aloe vera, or honey can provide temporary relief, but its effect is limited if it does not correct the microbial imbalance. It should be used as a complementary treatment, not as the main one.
Dandruff and a dry scalp: How can you tell them apart quickly?
Traditional dandruff is often oily, yellowish, and sticky. A dry scalp tends to produce fine, white, flaky scales, accompanied by a tight, tight feeling after washing.
How long does it take to see results with a natural routine?
Allow 2 to 3 weeks to see the first signs of improvement, then 4 to 6 weeks for a more lasting improvement in the microbiome and a reduction in dandruff.
Does stress really make dandruff worse?
Yes. Stress can alter sebum production through cortisol, promote local inflammation, and create an environment more conducive to the proliferation of Malassezia.
Should you stop using anti-dandruff shampoo once the dandruff is gone?
It’s better to transition gradually to a maintenance regimen rather than stopping abruptly. The goal is to maintain a stable microbiome without a relapse.
Do oral probiotics help with dandruff?
They can provide additional support, but their effect on the scalp remains indirect. Postbiotic or microbiome-supporting topical treatments are more effective at acting directly on the scalp.
How can you get rid of dandruff naturally?
We need to take action on two fronts: curb the proliferation of Malassezia and restore a healthy skin barrier. A routine that includes a gentle scrub, sulfate-free shampoo, and a microbiome night serum is more effective in the long run than a one-time home remedy.
What are some homemade anti-dandruff remedies?
The most common remedies use green clay, aloe vera, honey, plain yogurt, heavily diluted apple cider vinegar, or diluted tea tree essential oil. They can provide temporary relief, but should be used with caution and only occasionally.
What are the best natural ingredients?
Organic hydrosols, aloe vera, postbiotics, prebiotics, a small amount of jojoba oil, and soothing active ingredients are the most suitable. Very rich oils or silicones should be avoided on an oily scalp.
How can you treat dandruff with oils?
Oils can relieve a dry scalp, but they should be used with caution on oily scalps. An oil treatment that isn't rinsed out properly can stimulate sebum production and worsen dandruff.

8Sources

  • Head & Shoulders / P&G - Malassezia globosa: The Causes of Dandruff.
  • PMC / National Library of Medicine - Microbiome Dysbiosis and Dandruff.
  • Typology - The Different Anti-Dandruff Ingredients.
  • Hair Care - Prebiotics, probiotics, and postbiotics for hair.

Advice

Related reading

All tips