Lume Triple Milled Soap Bar Versus Kaia Naturals The Takesumi Bright Brightening Bar With Kojic Acid for Underarm and Body Dark Spots
What's inside
What's inside
Benefits
Concerns
Ingredients Side-by-side
Sodium Palmate
CleansingSodium Palm Kernelate
CleansingWater
Skin ConditioningGlycerin
Humectant
Coconut Acid
Cleansing
Titanium Dioxide
Cosmetic Colorant
Sodium Citrate
BufferingButyrospermum Parkii Butter
Skin Conditioning
Sodium Gluconate
Skin ConditioningSodium Chloride
MaskingKojic Dipalmitate
Emollient
Eugenia Caryophyllus Flower Oil
Masking
Citrus Medica Peel Oil
Juniperus Virginiana Oil
Masking
Lavandula Angustifolia Oil
Masking
Pogostemon Cablin Leaf Oil
Masking
Cedrus Atlantica Bark Oil
Masking
Rosmarinus Officinalis Leaf Oil
Masking
Thymus Vulgaris Oil
Masking
Glycyrrhiza Glabra Root Extract
Bleaching
Sodium Palmate, Sodium Palm Kernelate, Water, Glycerin, Coconut Acid, Titanium Dioxide, Sodium Citrate, Butyrospermum Parkii Butter, Sodium Gluconate, Sodium Chloride, Kojic Dipalmitate, Eugenia Caryophyllus Flower Oil, Citrus Medica Peel Oil, Juniperus Virginiana Oil, Lavandula Angustifolia Oil, Pogostemon Cablin Leaf Oil, Cedrus Atlantica Bark Oil, Rosmarinus Officinalis Leaf Oil, Thymus Vulgaris Oil, Glycyrrhiza Glabra Root Extract
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
This ingredient is also known as shea butter. It is a plant-derived extract from the nuts of the Africa shea tree and one of the most well-studied emollients.
Because it has a high concentration of fatty acids (primarily oleic, stearic, and linoleic) it is able to form a protective barrier on the skin's surface. This helps seal in moisture and prevents transepidermal water loss (TEWL).
In vitro research found an increase in skin hydration by 58% and a decrease in TEWL by 37.8% after 24 hours of applying this ingredient (pretty impressive for a single ingredient!).
Besides hydration, shea butter also contains triterpenes that have anti-inflammatory potential. In particule, lupeol cinnamate has shown the highest anti-inflammatory activity in vivo.
Shea butter also contains vitamins A and E which may contribute to antioxidant activity.
While Shea Butter has an SPF rating of about 3-4, it is not a sunscreen replacement.
This ingredient may not be fungal acne safe because its fatty acids fall within the C11-C24 range that the Malassezia yeast can metabolize.
Learn more about Butyrospermum Parkii ButterCoconut acid is a mixture of fatty acids obtains by hydrolyzing coconut oil and then distilling the fatty acid portion. It works as a cleansing surfactant, emollient, and emulsifier depending on the formulation.
This ingredient is not a single compound but reflects the fatty acid profile of coconut oil itself, which is about 90% saturated. The dominant fatty acid is lauric acid (44-54%) and then myristic acid (13-19%). There are small amount of caprylic, capric, palmitic, oleic, and linoleic acids.
Human testing from CIR has shown no indication this ingredient to be a primary irritant, sensitizer, or phototoxic compound. It's also COSMOS-approved for natural and organic products.
Due to the high fatty acid content, this ingredient may not be fungal acne safe.
Learn more about Coconut AcidGlycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.
Topically, glycerin does several things at once:
Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.
Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.
This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.
Just know very high concentrations (>40%) can feel tacky in low humidity.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinChances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt. This ingredient has many purposes in skincare: thickener, emulsifier, and exfoliator.
You'll most likely find this ingredient in cleansers where it is used to create a gel-like texture. As an emulsifier, it also prevents ingredients from separating.
You might see people debate whether Sodium Chloride is comedogenic, but there actually haven't been any comedogenic tests done on it. Either way, the overall formulation of a product matters a lot more than any single ingredient.
You might see this ingredient used in scrubs as a primary exfoliating ingredient.
Learn more about Sodium ChlorideSodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.
Its main functions are to maintain the pH of a product and neutralize metal ions.
The acidity of our skin is maintained by our glands and skin biome; normal pH level of skin is slightly acidic (~4.75-5.5).
Being slightly acidic allows our skin to create an "acid mantle". This acid mantle is a thin barrier that protects our skin from bacteria and contaminants.
Learn more about Sodium CitrateThis is the synthetic salt of gluconic acid, a form of PHA and mild exfoliant.
It is mainly used to stabilize oil and butter formulations from going bad. Sodium gluconate is a humectant, pH regulator, and chelating agent.
Chelating agents help neutralize unwanted metals from affecting the formulation.
Sodium gluconate is water-soluble.
Learn more about Sodium GluconateThis ingredient is derived from the fatty acids of palm kernel oil and is considered a traditional soap.
It acts as a surfactant by making it easier for water to wash away dirt, oil, and other impurities.
Sodium Palmate is a surfactant and used to saponify fatty acids. It can be derived from palm oil or synthetically created.
As a surfactant, it helps lift dirt and oil off the skin to be cleansed.
Sodium Palmate is also used during the soap-making process to saponify fatty acids. This helps soap creates bubbles without leaving residue on the skin.
This ingredient is sometimes called saponified palm oil.
Learn more about Sodium PalmateWater. 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. Remember to stay hydrated!
Learn more about Water
