Kojic acid is an ingredient that is used in various skin care products. It has a lot of brightening and lightening properties. They are derived from fungus. They have the ability to inhibit the production of melanin. Melanin is the pigment that gives the skin colour. So, Kojic acid is used highly in beauty and skin care products to even the skin tone. It also decreases the age spots and pigmentation. In this article, we will give you a detailed explanation of what kojic acid is and how to use it. If you know about kojic acid, it means you have the secret behind the luminous skin.
Table of Contents
What is Kojic Acid?
Definition and Origin of Kojic Acid
Kojic acid is a fungal metabolite. They can be derived from various species of fungus. Most commonly, they are derived from Aspergillus fungus. It was used in traditional medicine in Asia in the 18th century for skin lightening properties.
Explanation of its Derivation from Fungi
Kojic acid is a byproduct of the fungal fermentation process. They are extracted by two different processes, namely, the chemical process and the fermentation process. The chemical process includes the synthesis of acetophenone and 3,5-dimethyl pyrazole with the help of isoamyl nitrite. The fermentation process includes the fermentation of the corn steeps and corn flakes with the fungus Aspergillus niger or Kojic acid present in the fungal growth.
Discovery and Initial Use
The first time that Kojic acid is discovered is in the 1980s by Japanese scientists. The main use was to inhibit the fungus that was found in the mold and foods. These were first used to improve the hygiene and cleanliness. Later, they are found that this acid has more uses in the production of food and chemicals. Later, in 1989, they found that the anti-inflammatory and brightening properties of Kojic acid.
Chemical Properties and Structure
Kojic Acid is a pyrone compound. It is mentioned as 5-hydroxy-2-hydroxymethyl-4-pyrone. It is a pale yellow powder that is odorless. The acidic compound dissolves in water and alcohol but not in other organic solvents. The compound is soluble in chloroform and methylene chloride.
How It Works: The Science Behind Kojic Acid’s Brightening Effects
Kojic acid has tyrosinase inhibitory effects. Tyrosinase is the enzyme that is responsible for the melanin production. Hyper pigmentation is caused by the melanin production. So, the tyrosinase inhibition by Kojic acid can helps in brightening the skin.
Benefits of kojic acid
Kojic acid is a natural substance which is safe and gentle for the skin. Below are some key benefits of using kojic acid:
Hyperpigmentation Reduction
Kojic acid has inhibiting properties against tyrosinase. Tyrosinase is the enzyme responsible for the production of melanin. The melanin production causes the hyperpigmentation. So, the inhibition of tyrosinase reduces hyperpigmentation.
Skin Brightening
Kojic acid is the perfect ingredient for skin brightening and lightening. It is the best for dark skin and melasma. It also contains the antibacterial and anti-inflammatory properties. So, it can treat the acne scars and redness.
Anti-ageing
The Kojic acid has a lot of anti-aging properties. It reduces the wrinkles and fine lines that are caused by sun damage. The sun damage results in the age spots and dark spots. So, the tyrosinase inhibition can result in the protection from the UV radiation and slow the aging process.
Skin tightening
Kojic acid has skin-tightening properties. They give your skin a youthful and tight look.
Safe and Gentle for the Skin
The Kojic acid is a natural substance that is free from all side effects. It is a good exfoliator that results in a new layer of skin. It prevents the clogging of the pores.
Potential Side Effects and Precautions
If we look at the scientific literature, there are no side effects of Kojic acid. But, it does not mean that there will not be any side effects. Some people are sensitive to Kojic acid. In the case of skin sensitivity, it may result in the following side effects:
Skin Irritation
If you have sensitive skin, It is better not to use Kojic acid for the skin lightening. It can result in redness, irritation, or burning sensation. You may also develop a rash on the skin.
Eye Damage
Eye damage is a side effect of Kojic acid when used in high concentrations. When it comes to using kojic acid to lighten the skin, it is better to avoid the use of kojic acid in the eye area.
Skin Tingling
The Kojic acid also results in a skin-tingling sensation when you use it in high concentrations. Some people also have an allergic reaction when they use Kojic acid. So, if you have skin allergies, it is better to check it out with your dermatologist.
Increased Sensitivity to Sunlight
Kojic acid is known to prevent the melanin production. The melanin production occurs due to the exposure of the skin to the sun. So, the less melanin production results in the increased sensitivity to the sunlight.
Dryness and Peeling
Kojic acid also results in skin dryness and peeling. The Kojic acid removes the dead cells from the top layer of the skin. It is also a good exfoliator. The removal of dead cells can result in skin dryness.
Precautions
Patch Testing
Before incorporating Kojic Acid into your routine, perform a patch test. Apply a little quantity of the product to a discreet area of skin. Then wait for 24-48 hours and check if there are any adverse reactions.
Using Sunscreen
The use of Kojic Acid decreases the sun sensitivity. So, it is a better idea to use sunscreen if you are using kojic acid. Suggested SPF is 30 and above.
Moisturize Regularly
Kojic acid can also result in dryness of the skin. So, it is a better idea to moisturize your skin on a regular basis.
Conclusion
If you are planning to incorporate Kojic acid in your skincare routine, this article can prove to be beneficial. It gives you a lot of scientific and general information about the product. Now, you can go ahead and purchase kojic acid skin lightening products.
Frequently Asked Questions
How long does it take to see results with Kojic Acid?
The results of kojic acid usage can depend on the person and the concentration of kojic acid used. Usually, the results can be seen within 4 to 8 weeks if used continuously.
Is Kojic Acid safe for long-term use?
Kojic acid is generally safe to use for long term. But it is advised to use it in cycles. Or it can be used as a part of varied skincare routine.
Can pregnant or breastfeeding women use Kojic Acid?
While there is no definitive evidence that Kojic Acid is harmful during pregnancy or breastfeeding, it’s always best to consult with a healthcare professional before adding any new skincare products to your routine during this time.