Microbiome Serum

Reduce the appearance of flakes, redness, and irritation

Excellent 4.8  | 185+ trusted reviews 

Excellent 4.8  | 185+ trusted reviews 

Microbiome Serum

Reduce the appearance of flakes, redness, and irritation

For persistent dandruff, seborrheic dermatitis, and facial flaking.  A leave-on treatment that works for scalp and face.

100% Malassezia-safe formula with nothing that feeds the fungus.

Science-backed, skin-calming ingredients such as Defenscalp™, PreBIULIN FOS, niacinamide, panthenol, and urea.

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Ships by May 21

Try it risk-free for 60 days. 

 If you are not totally in love with the product we will refund you 100%.

Details

For scalp: Apply directly to affected areas, massage gently, leave on overnight or for at least 30 minutes before washing. Use daily during flare-ups, 2-3x weekly for maintenance.

Ingredients

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How To Use

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Prebiotic Formula

Science-driven relief

Strengthens skin barrier

Malassezia-safe

No hype, just evidence

The results speak for themselves. In an independent user study of 30 participants aged 25–65, visible scalp improvement was measured after just six treatments.

74%

Improved scalp skin hydration

89%

Flake reduction by Day 14

93%

Would recommend to a friend

It’s Not Dry Skin. It’s Biology.

Your scalp is an ecosystem. Here’s why flakes appear – and how to restore balance in 3 steps.

  • Trigger

  • Microbiome 

  • Barrier

Step 1 - Balance

The Biology

Malassezia is a yeast that lives on everyone's scalp. It survives by feeding on sebum  – your skin's natural oil — as well as the fatty acids found in most shampoos, conditioners, and hair care products. When these fatty acids are present, Malassezia thrives, multiplies, and triggers the inflammation that causes itching, redness, and flaking.

The Solution

Every ingredient in Qalm is verified 100% Malassezia-safe—no fatty acids it can feed on. Defenscalp™ goes further, regulating sebum production to limit what Malassezia needs to survive. It also soothes irritation and strengthens the scalp’s natural barrier for long-lasting comfort.

Step 2 - nourish

The Biology

Like your gut, your scalp hosts a community of microscopic life — bacteria and fungi living in balance. In a healthy scalp, beneficial bacteria compete with Malassezia for space and resources, keeping it in check. When this balance is disrupted, Malassezia overgrows unchecked — and the inflammation that follows is what you see and feel.

The Solution

PreBIULIN FOS is a prebiotic that selectively feeds your beneficial bacteria. Think of it as fertilizer for the good guys — helping them naturally crowd out Malassezia and restore the balance your scalp lost.

Step 3 - Support

The Biology

Your skin has a protective barrier — lipids and proteins that lock in moisture and keep irritants out. Over time, harsh ingredients like sulfates, alcohols, and steroids wear this barrier down. Moisture escapes, sensitivity increases, and the skin loses its ability to regulate itself.

This is the layer most treatments never reach. They manage symptoms at the surface — but the reason those symptoms keep returning lives here

The Solution

Aquaxyl™ delivers deep hydration and locks it in — rebuilding the moisture your barrier has lost. Actibiome® calms inflammation and supports skin renewal. Together with niacinamide, panthenol, and urea, they don't just soothe your scalp — they rebuild a barrier that holds.

Results you'll see with your own eyes

What our customers noticed after just a few treatments.

Customer Testimonial Carousel

Trusted by dermatologist

As a dermatologist, I’ve seen many scalp treatments, and this one truly stands out. Patients notice reduced flakes, improved scalp hydration, and a healthier overall scalp environment after just a few treatments. I recommend it for anyone struggling with dryness or irritation — the results speak for themselves.

Dr. Elena Dimitrova

Board-certified dermatologists

Dr. Elena Dimitrova

Board-certified dermatologists

High-Performance Ingredients, Backed by Science

Clinical research confirms this formula contains exactly what your barrier
needs to maintain a clear, flake-free scalp.

How We’re Different

Some treatments clear flare-ups. Qalm helps prevent them.

Antifungal Shampoos

Natural Oils

Reduces flaking and itching

Reduces flaking and itching

Repairs damaged skin barrier

Helps prevent flare-ups

Gentle for daily face + scalp use

Calm starts here, flaking fades, relief that stays

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Day  1-7

Calm starts here

Itching calms. Irritation settles. Defenscalp and Niacinamide soothe inflammation and reduce redness.*

Day  14

Flaking fades

Itching calms. Irritation settles. Defenscalp and Niacinamide soothe inflammation and reduce redness.*

Day  30

Fewer flare-ups

Itching calms. Irritation settles. Defenscalp and Niacinamide soothe inflammation and reduce redness.*

Day  60+

Relief that stays

Itching calms. Irritation settles. Defenscalp and Niacinamide soothe inflammation and reduce redness.*

Have questions?

How soon will I see results?

Most people notice reduced flakes and less redness within 2–3 weeks of regular use.

Is Microbiome Serum safe for sensitive skin?

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Can I use it with other hair or scalp products?

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Will it help with dandruff or just redness?

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Is it suitable for color-treated hair?

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Can men and women both use it?

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