Kojiesan Skin Lightening Soap uses high-grade kojic acid that effectively makes skin lighter. How to Use: Wet soap and work into a lather, gently massage unto skin. Rinse off with water. Shelf Life: 24 Months.
Kojic acid can degrade over time, so pay attention to the expiration date and storage instructions. Store the product in a cool, dark place to prolong its effectiveness.
Shelf life is at least 2 years. Herbs - all herbs (whole or ground) should be kept in a dark, cool and dry location.
And it has a 3 year expiration date from the date it was manufactured which is one of the signs that this soap is legit kojic acid.
Kojic acid soap can take months to show results, and it often takes up to three months for kojic acid products to work. 7 Because kojic acid soap can irritate and dry skin with persistent use, some people use kojic acid soap for a few months and then take a break to help avoid irritation.
Its use at high concentrations or by people with sensitive skin may cause redness, itching, or a burning sensation. Stability and formulation: Kojic acid degrades when exposed to air, light, or certain pH levels, which can reduce its effectiveness in skincare products.
On the other hand, certain ingredients can trigger irritation and should be avoided if you're using kojic acid in your skincare routine. Harsh acids, like alpha-hydroxy acids (AHAs), are a prime example, as well as certain retinoids.
If your kojic acid product has expired, do not use it - expired products can cause skin irritation, bacterial infection, or breakouts.
Avoid contact of Kojic Acid with nose, ears, mouth, or eyes. In case Kojic Acid comes in contact with these areas accidentally, rinse with water thoroughly. If you are pregnant or a nursing mother, please inform your physician before using Kojic Acid. Kojic Acid is not recommended for children below 12 years of age.
Kojic acid captures copper ions, preventing the activation of tyrosinase, thus preventing the formation of melanin [12,14]. Due to its tyrosinase-inhibiting activity, KA is considered one of the most effective skin lightening agents in the beauty industry [15].
Kojic acid is a whitening agent that diminishes dark spots, age spots, and sun damage. This overall reduction of dark spots and skin reversal impacts skin ageing. Moreover, its anti-melanogenic and antioxidant nature prevents skin ageing and tanning.
If you stop using kojic acid, your skin may gradually return to its original state, particularly if the underlying causes of hyperpigmentation are not addressed.
With a shelf life of 6 months and recommended storage at room temperature, this Kojic Acid powder is suitable for various cosmetic applications.
Kojic acid is sensitive to light and heat and it tends to oxidize over time (Gallarate et al., 2004). Moreover, kojic acid chelates with metal ions leading to color change (from white to brown or yellow).
Using expired soap may not necessarily harm you, but it can be less effective at cleaning and may cause skin irritation or dryness. The fragrance and other beneficial properties of the soap may diminish over time. In some cases, particularly with natural soaps, expired products can harbor bacteria or mold.
If you have dry or damaged skin it might be more susceptible to the potential darkening effects of kojic acid. Ensuring your skin is healthy and well-nourished is key to making kojic acid work in your favor. A balanced diet, ample hydration, and a good sleep cycle can all contribute to healthier skin.
Though kojic acid soaps can work on most skin types, experts say that those with sensitive or dry skin should be cautious as it may sometimes cause irritation. “Those with dry skin may want to opt for soaps with moisturizing properties,” advises Dr. Gohara. “Always do a patch test before using it regularly.”
Using a soap past its expiry date isn't likely to be a huge safety risk, but it may not work as effectively. You might find it doesn't clean as well or produce that satisfying lather. Using rancid soap can also impact the fragrance and likely make for a less pleasant bathing experience.
Avoid using concentrated kojic acid on your skin daily if you have hypersensitive or reactive skin. It can make your skin more sensitive to sun damage. Therefore, always follow up with sunscreen during the day. It can also dry or irritate your skin if you have allergies or sensitivity.
All skincare products have a shelf life and can harbour bacteria after expiration, which may lead to skin infections. Recognising expired products involves checking for changes in colour, smell, and texture, and the PAO symbol helps track their usability post-opening.
It is widely recognized for its ability to inhibit the production of melanin, the pigment responsible for skin colour. When applied topically, kojic acid helps to reduce the appearance of hyperpigmentation, including dark spots, in intimate areas.
Kojic acid can lead to contact dermatitis in some people, especially those with sensitive skin. Contact dermatitis can cause a rash, itching, and dry patches of skin. In severe cases, pain and blisters can develop. The concentration of kojic acid in creams, serums, and soaps may vary by manufacturer.
Moisturize: Follow up with a nourishing moisturizer to seal in the benefits of kojic acid and keep your skin hydrated. Sunscreen (AM only): Since kojic acid can increase sun sensitivity, always finish with a broad-spectrum sunscreen during the day.