Kiehl's Ultra Pure High-Potency 5.0% Niacinamide Serum Versus Glossier Super Pure Clarifying Face Serum with Niacinamide + Zinc
Updated on February 28, 2024
Overview
What they are
These products are both reef safe serums. They have a total of 4 ingredients in common
Cool Features
They both contain niacinamide
Suited For
They're both likely to be good for fighting acne, dry skin, brightening skin, oily skin, reducing pores and dark spots
Free From
They both do not contain any harsh alcohols, common allergens, fragrances, oils, 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
Kiehl's Ultra Pure High-Potency 5.0% Niacinamide Serum 10 ingredients
Glossier Super Pure Clarifying Face Serum with Niacinamide + Zinc 13 ingredients
At a glance
Click on any of the items below to learn more
Kiehl's Ultra Pure High-Potency 5.0% Niacinamide Serum 10 ingredients
Glossier Super Pure Clarifying Face Serum with Niacinamide + Zinc 13 ingredients
Notable Ingredients
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Benefits
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Notable Ingredients
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
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Ingredients Side-by-side
Water. 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.
6 Benefits
Niacinamide has emerged as an all-star ingredient due to its many benefits.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.
Methyl Gluceth-20 is a humectant. Humectants help draw moisture from the air to your skin.
Hydroxyacetophenone is antioxidant and helps with skin conditioning.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.
Sodium 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.
Water. 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.
6 Benefits
Niacinamide has emerged as an all-star ingredient due to its many benefits.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.
Zinc PCA (or "zinc salt") differs slightly from zinc itself. PCA stands for pyrrolidone carboxylic acid. However, Zinc PCA comes from zinc.
This ingredient is derived from parts of the Italian honeysuckle plant. It has astringent, antioxidant, and antimicrobial properties.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.
Hydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.
Polysorbate 60 is used to help stabilize products. It is a surfactant and emulsifier. These properties help keep ingredients together in a product. Surfactants help reduce surface tension between ingredients with different states, such as liquids and solids. Emulsifiers help prevent oils and waters from separating.
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water. 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 WaterNiacinamide has emerged as an all-star ingredient due to its many benefits.
It is known to treat acne by reducing inflammation. It also helps fade dark-spots and strengthen the skin by promoting the growth of the ceramide barrier.
Other benefits include smoothing wrinkles and minimizing redness.
The cherry on top? Niacinamide can also help build keratin, a protein that keeps skin firm.
When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration.
Niacinamide can be mixed with other ingredients to boost benefits. For instance, it has shown to be effective when used with copper, folic acid, and zinc to treat acne.
Learn more about NiacinamideGlycerin is already naturally found in your skin. It helps moisturize and protect your skin.
A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.
As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.
Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.
Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.
In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.
This ingredient is organic, colorless, odorless, and non-toxic.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinPropanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.
Propanediol is not likely to cause sensitivity and considered safe to use.
It is derived from corn or petroleum with a clear color and no scent.
Learn more about PropanediolIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Kiehl's Ultra Pure High-Potency 5.0% Niacinamide Serum 10 ingredients
Glossier Super Pure Clarifying Face Serum with Niacinamide + Zinc 13 ingredients
Reviews
Here's what our community thinks
Glossier Super Pure Clarifying Face Serum with Niacinamide + Zinc 13 ingredients
Lataux
Ok
It's a just okay serum. You can get the same result with some other brands half of the price or even better
