Dr. Alvin Kojic acid soap Versus Kojie San Skin Lightening Kojic Acid Soap
Updated on March 17, 2025
Overview
What they are
These products are both reef safe face cleansers. They have a total of 4 ingredients in common
Suited For
They're both likely to be good for fighting acne, dry skin, scar healing and dark spots
Free From
They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Dr. Alvin Kojic acid soap 12 ingredients
Kojie San Skin Lightening Kojic Acid Soap 18 ingredients
What's inside
What's inside
At a glance
Click on any of the items below to learn more
Dr. Alvin Kojic acid soap 12 ingredients
Kojie San Skin Lightening Kojic Acid Soap 18 ingredients
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Cocos Nucifera Oil
Masking
Water
Skin ConditioningSodium Hydroxide
BufferingParfum
Masking
Kojic Acid
Antioxidant
Glycerin
Humectant
Xanthan Gum
EmulsifyingCaprylyl Glycol
Emollient
Glucose
Humectant
Chondrus Crispus
Masking
Phenoxyethanol
Preservative
Ethylhexylglycerin
Skin ConditioningButyl Diethanolamine
BufferingParaffinum Liquidum
Emollient
Melaleuca Alternifolia Leaf Oil
Antioxidant
CI 15985
Cosmetic ColorantCI 19140
Cosmetic ColorantBHT
Antioxidant
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Ci 15985 is a dye made from petroleum. It is synthetically created and approved by the FDA for use in foods and cosmetics.
The color of this dye is orange/yellow.
This ingredient can be found in makeup, sun care, and skincare.
Learn more about CI 15985Kojic acid comes from fungi and can also be from fermented foods. It helps even out skin tone and reduce hyperpigmentation.
This ingredient works by blocking tyrosine, an enzyme that starts the process of skin darkening.
Kojic Acid is antifungal and often used to treat fungal infections. Additionally, it can help fight bacteria with its antimicrobrial properties. This can help treat acne as well.
A similar ingredient is arbutin.
Learn more about Kojic AcidSodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.
Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.
"Alkaline" refers to a high pH level. A low pH level would be considered acidic.
Learn more about Sodium HydroxideWater. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Dr. Alvin Kojic acid soap 12 ingredients
Kojie San Skin Lightening Kojic Acid Soap 18 ingredients
Reviews
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