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Can Nizoral Cause Hair Loss? People with Dandruff and Scalp Dermatitis Want To Know

Published:

June 11, 2025

Reports of hair shedding linked to Nizoral are making the rounds online, raising concerns among people concerned about hair loss. While it's true that Nizoral can, in rare cases, trigger temporary hair shedding — known as telogen effluvium — it’s important not to panic. Before you toss out your dandruff shampoo, let’s take a closer look at how Nizoral works and how it can actually support scalp and hair health.  

Nizoral is a well-known antifungal treatment that contains ketoconazole, an active ingredient commonly used in medicated shampoos to help manage dandruff, seborrheic dermatitis, and other fungal-related scalp issues. Nizoral is one of the most recognized over-the-counter brands containing ketoconazole, which is clinically proven to fight causes of dandruff.  

Generally considered safe, ketoconazole does carry a small risk of side effects. In rare instances, it’s been linked to telogen effluvium, a form of temporary hair shedding caused by stress on the body or scalp. Some users may also experience mild side effects like scalp dryness, irritation, changes in hair texture, or allergic reactions.  

Understanding how and when to use Nizoral can help you get the benefits without the worry. 

Is Nizoral Causing Hair Loss?

Hair loss from Nizoral is rare, affecting fewer than 1 in 100 people. Individual responses to hair drugs and medications can vary, and some people may be more sensitive to ketoconazole or other ingredients in a hair product, like preservatives or fragrances.

While temporary hair shedding from ketoconazole (the active ingredient in Nizoral) can happen, it’s uncommon. In fact, there are many more common causes of hair loss that affect both men and women, including:

  • Genetic conditions like androgenetic alopecia (male or female pattern baldness)
  • Hormonal imbalances, including those caused by thyroid disorders or PCOS
  • Nutritional deficiencies, such as low iron, vitamin D, or protein
  • High stress levels or physical trauma
  • Recent illness or surgery
  • Tight hairstyles that cause tension on scalp (traction alopecia)
  • Certain medications, including chemotherapy, antidepressants, or blood thinners
  • Scalp conditions, such as psoriasis, seborrheic dermatitis, or fungal infections

If you're concerned about hair loss while using Nizoral — or if you're experiencing sudden or persistent hair thinning — it’s best to speak with your doctor or contact an Este Medical hair loss expert. 

How Nizoral Supports Scalp & Hair Health

Does Nizoral shampoo cause hair loss? Not exactly. While the active ingredient ketoconazole may cause temporary hair shedding in rare cases, this effect typically resolves within a few weeks. Some shedding is a normal part of the hair growth cycle and can even be healthy — but if you notice excessive hair loss, it’s worth speaking to a hair loss specialist. 

Ketoconazole is an antifungal agent proven to treat scalp conditions caused by fungus or yeast. It works by eliminating or slowing the growth of these organisms. The truth is, ketoconazole can actually support hair growth by improving scalp health and creating a better environment for hair follicles to thrive.

  • Fights Dandruff at the Source
    Nizoral targets Malassezia yeast, a cause of dandruff. By reducing this fungus, it helps control flaking, itching, rash, and irritation.
  • Reduces Scalp Inflammation
    Chronic inflammation from conditions like seborrheic dermatitis can damage hair follicles. Nizoral helps calm the scalp and reduce redness and irritation.
  • Improves Scalp Environment for Hair Growth
    A clean, balanced scalp is essential for healthy hair growth. By keeping fungal overgrowth and inflammation in check, Nizoral creates a better foundation for hair follicles to thrive.
  • May Help Reduce Shedding in Androgenic Alopecia
    Some studies suggest ketoconazole may have mild anti-androgen effects, which could help reduce hormone-related hair shedding in people with male or female pattern hair loss.
  • Deep-Cleanses the Scalp
    Nizoral’s medicated formula cuts through buildup from sebum, hair product residue, and dead skin cells, helping to unclog hair follicles.
  • Supports Other Hair Treatments
    Some dermatologists and hair experts recommend using Nizoral alongside treatments like minoxidil to enhance overall results by improving scalp condition.
  • Clinically Proven and Recommended by Hair and Skin Experts
    With decades of clinical use, Nizoral has a solid track record for treating common scalp concerns effectively and safely when used as directed.

What’s the Connection Between Dandruff and Seborrheic Dermatitis in the Hair?  

The short answer: dandruff is considered a mild and localized form of seborrheic dermatitis, while seborrheic dermatitis is a broader inflammatory skin condition that can include dandruff as one of its symptoms.  

Both conditions are linked to similar causes — mainly an overproduction of skin cells and the presence of a yeast-like fungus called Malassezia. This fungus is naturally found on the skin, but in some people, it can trigger irritation and an abnormal shedding of skin cells.  

Dandruff typically appears as white or yellowish flakes on the scalp and may come with itchiness, but it generally doesn’t cause inflammation. Seborrheic dermatitis, on the other hand, can lead to redness, greasy scales, and irritation — not just on the scalp, but also on areas like the eyebrows, sides of the nose, beard area, upper chest, and back.  

In short, while dandruff is often a mild scalp concern, seborrheic dermatitis can be more intense and widespread. If you’re unsure which condition you have, or if your symptoms seem to go beyond typical dandruff, it’s a good idea to speak with your GP or a skincare specialist.

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Expert Help for Hair & Scalp Concerns Starts With Este Medical Group 

Here At Este Medical, we’ve seen just about every type of hair and scalp condition you can imagine. We understand how difficult and emotional hair loss can be — especially when it affects your self-worth or causes embarrassment. That’s why our hair care team in Turkey approaches every client with compassion, discretion, and expertise.  

Whether you're dealing with hair loss, or struggling with a more persistent scalp condition, you can trust the Este Turkey hair team to provide supportive, non-judgmental care

We offer a wide range of advanced treatments to strengthen and protect your hair, including IV Therapy Drip, Mesotherapy for Hair, PRP and PRF for hair, stem cell and exosome injections.  

If you're concerned about hair loss or scalp health, let’s talk. Book your consultation with Este Medical today — and make a move towards healthier hair and renewed confidence.

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