Ketoconazole Shampoo 


Ketoconazole shampoo is a specialized hair care product that is formulated with an active ingredient called ketoconazole. It is primarily used to treat certain fungal infections of the scalp, such as dandruff and seborrheic dermatitis. Unlike regular shampoos, ketoconazole shampoo is designed to specifically target and eliminate the fungi that cause these conditions. The active ingredient, ketoconazole, belongs to a class of medications known as antifungals. It works by inhibiting the growth and reproduction of the fungi, ultimately reducing the symptoms associated with scalp infections. Ketoconazole shampoo comes in various strengths, typically ranging from 1% to 2% ketoconazole concentration. The shampoo is typically used as a topical treatment, meaning it is applied directly to the affected area of the scalp. It is generally recommended to use ketoconazole shampoo two to three times a week, depending on the severity of the condition. The shampoo is lathered into the hair and scalp, left on for a few minutes, and then rinsed thoroughly. Ketoconazole shampoo is widely available over-the-counter and can be purchased without a prescription. However, it is advisable to consult with a healthcare professional, especially if the condition persists or worsens after using the shampoo as directed. Overall, ketoconazole shampoo offers a targeted solution for individuals experiencing scalp fungal infections. Its unique formulation and active ingredient make it an effective option for managing dandruff and seborrheic dermatitis.

Expert Recommendations:

Dr. Andrew Huberman suggests using this method to counteract hair loss, enhance hair quantity and thickness, and achieve a slight decrease in DHT levels.¹

-Can Ketoconazole Shampoo Help with Yeast Overgrowth?

Yes, ketoconazole shampoo can help with yeast overgrowth on the scalp. However, it is best to address the root cause internally. Using supplements for yeast overgrowth, such as probiotics and antifungal herbs, can provide a more comprehensive solution for treating yeast overgrowth from the inside out.


• Effectively treats and controls fungal infections: Ketoconazole shampoo is primarily used to treat fungal infections of the scalp, such as dandruff and seborrheic dermatitis. It contains an antifungal medication called ketoconazole, which helps eliminate the fungus causing these conditions. • Reduces itching and inflammation: The antifungal properties of ketoconazole help reduce itching, redness, and inflammation associated with fungal infections. This can provide relief from the discomfort and irritation caused by conditions like dandruff. • Controls excessive oil production: Ketoconazole shampoo can help regulate the production of sebum, the oily substance secreted by the scalp. By reducing excessive oiliness, it can prevent the buildup of oils and dead skin cells that contribute to dandruff and other scalp conditions. • Promotes a healthier scalp: Regular use of ketoconazole shampoo can help maintain a healthy scalp environment by eliminating fungal infections and reducing oiliness. This can lead to improved overall scalp health, preventing issues like itching, flaking, and odor. • May improve hair growth and thickness: Some studies suggest that ketoconazole may have a positive impact on hair growth and thickness. It is believed to inhibit the production of dihydrotestosterone (DHT), a hormone that can contribute to hair loss. By reducing DHT levels, ketoconazole shampoo may help promote hair regrowth and prevent further hair loss. • Convenient and easy to use: Ketoconazole shampoo is widely available over-the-counter and can be easily incorporated into your regular hair care routine. It is typically used 2-3 times a week, depending on the severity of the condition, and can be applied like a regular shampoo. • Suitable for various hair types: Ketoconazole shampoo is generally safe for use on different hair types, including oily, dry, and normal hair. It is also safe for colored or chemically treated hair, making it a versatile option for individuals with specific hair care needs. • Long-lasting effects: With regular use, ketoconazole shampoo can provide long-lasting relief from fungal infections and associated symptoms. It helps control the overgrowth of fungi on the scalp, reducing the likelihood of recurring infections and maintaining a healthy scalp in the long run. • May improve self-confidence: By effectively treating dandruff and other scalp conditions, ketoconazole shampoo can help improve self-confidence. It reduces visible flakes, itching, and inflammation, allowing individuals to feel more comfortable and confident in their appearance.


• Consult with a healthcare professional or dermatologist before using Ketoconazole shampoo, especially if you have any underlying medical conditions or are taking other medications. • Inform your doctor about any allergies or sensitivities you may have, as Ketoconazole shampoo may contain ingredients that can cause an allergic reaction. • Read and follow the instructions provided with the shampoo carefully, including the recommended frequency and duration of use. • Avoid contact with eyes, mouth, or other mucous membranes while using Ketoconazole shampoo. In case of accidental contact, rinse thoroughly with water. • If irritation or rash occurs after using the shampoo, discontinue use and consult a healthcare professional. • Ketoconazole shampoo is for external use only and should not be ingested. If accidentally swallowed, seek medical attention immediately. • Pregnant or breastfeeding women should consult their healthcare provider before using Ketoconazole shampoo. • Keep Ketoconazole shampoo out of reach of children. • Store the shampoo at room temperature and avoid exposing it to excessive heat or direct sunlight. • It is important to complete the full course of treatment as prescribed by your healthcare professional, even if symptoms improve before the treatment period ends.


1. Healthy Hair Science | Huberman

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