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Dr. Alpana Mohta Ranka, MD, DNB, IFAAD, is a dual-board-certified dermatologist with over 90 research publications in peer-reviewed scientific journals.


Kojic Acid Soap: Recommendations and Correct Usage

Kojic acid is all the rage, and for good reason, especially for those seeking skin-brightening solutions. Derived from fungi like Aspergillus oryzae, its natural properties tackle hyperpigmentation, age spots, and offer an even skin tone.

Kojic acid soaps are a cheap and effective alternative to other kojic acid products.

The objective of this article is not necessarily to promote the use of kojic acid soaps but to inform you on how they should be used properly. The article will cover product recommendations, correct usage, and other information.

Before I move to the recommendations, I'll first explain how it should be used. Kojic acid soaps are very effective, but only when used correctly.

How to use kojic acid soap correctly.

What's the Right Way to Use Kojic Acid Soap?

  • Start Slow: Initiate with a twice-weekly routine, and gradually transition to once or twice daily as your skin gets accustomed.

  • Master the Application: Generate a lather and apply uniformly on the face or body. Let it settle for a short span (around 30 seconds to 1 minute) before rinsing.

  • This is essential -> The most important part of using a kojic acid soap is what you do after rinsing it off:

    • A hydrating serum or a rich moisturizer will counterbalance the drying effects, so you MUST use it after rinsing off the soap. You can find some recommendations using our special tool that helps find the best moisturizer for you.

    • Kojic acid can make your skin photosensitive. The heightened sensitivity necessitates daily sunscreen application.

Kojic Acid Soap Recommendations

This is a fragrance free soap so it would be suitable for people with sensitive skin.

Kojic Acid Soap by Body Restore

Other popular recommendations are the Valitic Kojic Acid Soap and Kojie San Kojic Acid Soap.

How does Kojic Acid Soap work?

At its core, kojic acid soap is a fusion of the skin-lightening compound, kojic acid, with cleansing agents. Its primary function is to inhibit tyrosinase, an enzyme pivotal for melanin production. As a result, it holds the potential to reveal a brighter and more youthful appearance by combating dark spots, tanning, and other pigmentation issues.

Benefits of Kojic Acid Soap

  • Regular application can diminish dark spots, age spots, and damage caused to the skin by the sun.

  • Rich in antioxidant properties, it shields the skin from free radical harm.

  • The soap's inherent properties can fend off specific skin infections, ensuring overall skin health.

  • It's also a very gentle exfoliant that helps slough off dead skin cells.

  • Unlike other depigmenting agents like hydroquinone, kojic acid can be used on your skin for a long amount of time without any damage to the skin.

Side Effects

While generally benign, some might experience:

  • Occasional redness

  • A feeling of dryness or minor peeling

  • Slight itching or a burning sensation

  • Increased sensitivity to the sun

A preliminary patch test is a must. Also, given the increased sun sensitivity, arm yourself with a broad-spectrum SPF during the day.

While kojic acid is a great ingredient to get rid of dark spots, there is another ingredient you must have in your toolkit if you want to take your skin to the next level. And that is Glycolic Acid. And glycolic acid creams are the best products to take advantage of this ingredient.


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