Kojic acid is an organic compound with the formula HOCH2C5H2O2OH. It is a natural derivative of a fermented fungi, especially Aspergillus oryzae, which has the Japanese common name koji. It is also a by-product of fermented soy sauce and rice wine. Chemically, it is a pyranone. It is primarily known and used for its skin-lightening properties.
PRODUCT SPECIFICATIONS | |
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Name of Product | Kojic Acid |
IUPAC Name | 5-hydroxy-2-(hydroxymethyl)pyran-4-one |
Synonyms | acido kojico; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one; Kojisaeure; 2-hydroxymethyl-5-hydroxy-γ-pyrone |
CAS No | 501-30-4 |
Molecular Formula | C6H6O4 |
Molecular Weight | 142.11 g/mol |
Pubchem CID | 3840 |
SR. No | Criteria | Limit/Specification |
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1 | Appearance (Form) | Solid crystalline powder |
2 | Appearance (Color) | White |
3 | Melting Point | 152 to 155 °C |
4 | Solubility | Soluble in ethanol, ethyl ether, acetone, DMSO Slightly soluble in benzene, water |
5 | Loss on Drying | ≤1% |
6 | Residue on Ignition | ≤0.2% |
Kojic Acid has the following primary uses –
The possible side effects which may occur due to the use of Kojic acid are as follows-
Q. Does kojic acid cause cancer?
As of now, there is no sufficient evidence to suggest that kojic acid causes cancer in humans.
Q. What does kojic acid do?
Kojic acid inhibits and blocks the formation of tyrosine, which is an amino acid that is needed to produce melanin. This results in decreased melanin production, thus exhibiting a skin-lightening effect.
Q. Is kojic acid safe during pregnancy?
Kojic acid has been reported to pose no risks to mothers or cause harm to the developing foetus. However, one should consult a healthcare provider or a dermatologist before starting any new skincare product during pregnancy.
Q. Can you use kojic acid with retinol?
Kojic acid can be used with retinol, but with caution and proper planning in your skincare routine to minimize potential irritation.