Xi'an Land Nutra Co.,Ltd 
Description of Kojic Acid Powder:
Kojic acid is a natural compound derived from certain fungi, primarily found in Asia. It has been used for centuries in Japan as a traditional skin whitening agent. Its effectiveness in reducing skin discoloration has made it a popular ingredient in modern skincare products.
Mekanisme Tindakan:Kojic acid works by inhibiting the activity of tyrosinase, an enzyme responsible for melanin production. By blocking tyrosinase, kojic acid reduces the synthesis of melanin, leading to a lighter and more even skin tone.
Specification of Kojic Acid：
| Sifat | Asid Kojic |
|---|---|
| Nama Cina | 曲酸 |
| Nama Inggeris | Asid Kojic |
| Nombor CAS | 501-30-4 |
| Formula Molekul | C₆H₆O₄ |
| Berat Molekul | 142.11 |
| Penampilan | White to light yellow crystalline powder |
| Keterlarutan | Mudah larut dalam air panas, alcohol, and ether; slightly soluble in cold water |
| Sumber | Fungi such as Aspergillus oryzae and Aspergillus flavus |
| Mekanisme Tindakan | Menghalang aktiviti tirosinase, reducing melanin production |
| Keberkesanan | Pemutihan kulit, brightening skin tone, improving skin texture |
| Aplikasi | Skin whitening products (krim, serum, masks) |
| Precautions | May cause skin irritation, recommend patch test before use; use sunscreen when using |
Benefits of Kojic Acid Powder
- Effective skin lightening: Kojic acid is highly effective in reducing hyperpigmentation, Tompok hitam, dan tona kulit yang tidak sekata.
- Natural alternative: It is a natural compound, offering a safer alternative to synthetic bleaching agents like hydroquinone.
- Versatile application: Kojic acid can be used in various skincare products, including creams, serum, dan topeng secara beransur-ansur.
Kojic Acid vs. Niacinamide
Both kojic acid and niacinamide are popular ingredients in whitening products, but they work in different ways:
| Ciri | Asid Kojic | Niacinamide |
|---|---|---|
| Mechanism of action | Menghalang aktiviti tirosinase | Inhibits melanin transfer |
| Effectiveness | Highly effective in reducing melanin production | Effective in improving skin tone, but may not be as potent as kojic acid |
| Suitability | Suitable for most skin types, but may be irritating to sensitive skin | Suitable for all skin types, especially oily skin |
Item | Spesifikasi | Test result |
Physical Contro | ||
Penampilan | Serbuk Putih | Mematuhi |
Bau | Ciri-ciri | Mematuhi |
Rasa | Ciri-ciri | Mematuhi |
Kesucian | 99% | Mematuhi |
Kehilangan Semasa Pengeringan | ≤5.0% | Mematuhi |
Abu | ≤5.0% | Mematuhi |
Saiz zarah | 95% lulus 80 mesh | Mematuhi |
Alergen | Tiada | Mematuhi |
Kawalan Kimia | ||
Logam berat | NMT 10ppm | Mematuhi |
Arsenik | NMT 2ppm | Mematuhi |
Plumbum | NMT 2ppm | Mematuhi |
Kadmium | NMT 2ppm | Mematuhi |
Raksa | NMT 2ppm | Mematuhi |
Kawalan Mikrobiologi | ||
Jumlah Kiraan Plat | 10,000cfu/g Maks | Mematuhi |
Ragi & Kulat | 1,000cfu/g Maks | Mematuhi |
E.Coli | Negatif | Negatif |
Salmonella | Negatif | Negatif |
