Kojic Acid

Kojic acid, also known as Acid kojic powder, is a high-purity and powerful whitening agent with a purity of up to 98%. It is produced during the fermentation of malted rice and its pH value is maintained between 3-10. There are many benefits of kojic acid powder, like it is often used as a whitening and freckle removal product in cosmetic products. It has a more significant whitening effect on skin color, can harmonize skin color, and is gentler and non-irritating to the skin. Kojic acid also has antibacterial properties. As a professional China Kojic acid Supplier, we Baisifu company has free sample services and technical support. Kojic acid Powder also has COA, MSDS, and TDS formula support to fully meet your needs. All products of our company are not tested on animals, you can buy kojic acid powder in our company with confidence.

Cas No.:501-30-4

Appearance: White to beige-brown Crystalline Powder

Solubility:Water soluble

Benefits

There are some kojic acid benefits, as follows:

• Kojic acid can inhibit melanin, whiten the skin, and make the skin tone more even. It is a powerful whitening agent that is mild and non-irritating to the skin
• Keep the skin moisturized and reduce skin dryness
• Remove black spots and have a good lightening effect on daily sunburn, age spots or scars
• It can also be used as a food additive, which can play a role in preservation, freshness preservation and anti-oxidation
• It has antibacterial properties

Package

Our company Baisifu supports kojic acid wholesale. We have flexible minimum order quantity. You can start with 1kg or 25kg. The packaging is 1kg/bag; 25kg/Carton.

General Information:

Applications of Kojic Acid in Cosmetics

· Skin Brightening and Anti-Aging

Adding kojic acid to skin brightening products has proven to help brighten the skin. Additionally, it makes the skin more even since new cells begin to form.

The product targets melanin production; therefore, it blocks the tyrosinase enzyme from producing more melanin.

It also helps in removing dead skin cells on the surface hence enhancing the brightening effect. As a result, it gives the skin a more radiant look, while also maintaining an even appearance.

· Preservative

As a preservative ingredient, kojic acid stops the metabolic activity of fungi and bacteria that might spoil cosmetic products.

It can bind metal ions that are usually in cosmetic products, thereby helping to stabilize the product and reduce color change.Although it is not a primary preservative, it works in combination with other cosmetic ingredients to enhance their effectiveness.

· Skin Toning

Kojic acid in skin toning prevents melanin production by inhibiting the enzyme tyrosinase, which prevents new dark spots from forming and steadily weakens existing marks.

Additionally, it supports cell renewal since kojic acid includes mild exfoliating agents. This gives the skin a smoother and brighter appearance and removes dull surface cells.

Furthermore, kojic acid works well with other toning agents like vitamin C, licorice extract, niacinamide and alpha arbutin to provide a natural toning without a harsh bleaching effect.

· Anti-microbial

Kojic acid can prevent the growth of bacteria and fungi by disrupting their metabolic process, whereas it interferes with the enzymes that microbes need for production.

Microbes such as Candida albicans, Aspergillus species, and Staphylococcus aureus can be suppressed by kojic acid.

· Sunscreen

Kojic acid prevents tyrosinase enzyme activity, hence blocking melanin formation. That is, it will prevent dark spots and post-sun hyperpigmentation.

However, it has antioxidant properties that help in neutralizing free radicals from UV rays that can damage collagen and accelerate aging.

Mechanism of Action – How Kojic Acid Works

Kojic acid works by preventing melanin production; thus, it has slight antibacterial and antifungal properties, which help prevent acne-related conditions.Although not asunscreen, kojic acid can reduce UV-induced melanin formation by keeping tyrosinase activity low.

Moreover, it acts as a free radical hunter, hence neutralizing oxidative stress that triggers excess melanin production.

Therefore, as a cosmetic ingredient, it helps prevent dark spots from forming due to UV damage. This makes kojic acid an important ingredient in making cosmetic products like creams, serums, and lotions.

In addition to these, kojic acid also binds metal ions, which are cofactors for oxidative reactions, thus minimizing skin darkening and oxidative damage.

How to Formulate Products with Kojic Acid

To effectively use kojic acid in your cosmetic products, you must follow the recommended formulation process. As a cosmetic product manufacturer, you must pay attention to:

• Amount in %:Kojic acid should not exceed 1% in leave-on formulation, but it can be as high as 2% in rinse-off products like soaps and cleansers.
• Recommended pH:Always maintain pH between 4-6 to keep it stable; hence, below pH 4.0, it can be too acidic, thus increasing the risk of burning. Additionally, above pH 7.0, the product begins to oxidize and turn brown.
• Describe potential oxidation: Kojic acid is chemically sensitive, so its oxidation leads to discoloration and loss of skin lightening activity.By maintaining pH 4-6, using antioxidants and chelating agents,whileprotecting them from light and air, formulators can create stable, effective brightening products.
• Mixing with other cosmetic products: Kojic acid mixes well with niacinamide, vitamin C, Arbutin, and licorice root extract. By carefully mixing these products, they make gentle and effective brightening formulations.

Cosmetic Ingredient Safety

FDA permits kojic in cosmetics as a skin-brightening ingredient with no specific concentration limit. However, cosmetic manufacturers must adhere to 1% concentration based on safety data.

The manufacturer must ensure the ingredient is non-toxic, non-irritating, and safe for intended use.

In the European Union, the Regulation (EU) 2024/996 restricts the use of kojic acid to 1%. Of course, other countries in Africa, Asia, and the rest of the world also permit cosmetic products with a concentration of 1%.

Why Choose Baisifu as Your Kojic Acid Supplier in China

Baisifu is your CGMP-compliant kojic acid manufacturer and supplier in China. With our years of experience in the cosmetic ingredientssupplier, Baisifu follows strict manufacturing as defined by ISO 22716.

For every kojic acid you order, we provide a cosmetic ingredients data sheet and certificate of analysis. Partner with us today for competitive prices and flexible MOQs – Get free samples now.

FAQs

1. What does kojic acid do to skin?

When you use kojic acid consistently, it helps in:

• Fading dark spot
• Offering mild anti-aging and antimicrobial benefits
• Preventing melanin production
• Refining overall radiance

2. Is kojic acid a bleaching agent?

No, kojic acid does not have any bleaching effect on the skin; hence, it is a product that is very safe forthe skin. It gives the skin a soft, even tone and fades dark spots too.

3. How long does kojic acid take to lighten skin?

With consistent daily use, kojic acid lightens the skin steadily and safely. Therefore, you can expect evident improvement in 2-6weeks and more radiant in months.

4. Which skin type is best for kojic acid?

It works best on oily, normal or combination skin as it brightens and evens tone excellently with minimal irritation.