Here's our complete breakdown comparing the ingredients, attributes, and more of Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID versus Paula's Choice 10% Azelaic Acid Booster .
Last updated on July 18, 2023. Published on September 09, 2021
Overview
What they are
These products are both cruelty-free and reef safe . They have a total of 11 ingredients in common
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and dark spots
Free From
They both do not contain any harsh alcohols, common allergens, parabens or sulfates
What's Inside
They both contain silicones
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.
Serum
Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.
Facial Treatment
Facial treatments are specially designed to treat a skin concern. Acne treatments and anti-aging products are common examples of facial treatments.
Price
Ingredient Info
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID 35 ingredients
Paula's Choice 10% Azelaic Acid Booster 21 ingredients
Alcohol Free
This product is free of harsh alcohols 🎉
Contains Silicon
Ingredients in this product that are types of silicon:
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Contains Oils
Ingredients in this product that are types of oil:
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Cruelty Free
This product is cruelty-free 🎉
Alcohol Free
This product is free of harsh alcohols 🎉
Contains Silicon
Ingredients in this product that are types of silicon:
Fragrance Free
This product is free of fragrances 🎉
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Oil Free
This product is free of oils 🎉
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Cruelty Free
This product is cruelty-free 🎉
At a glance
Click on any of the items below to learn more
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID 35 ingredients
Paula's Choice 10% Azelaic Acid Booster 21 ingredients
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Benefits
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Concerns
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Notable Ingredients
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Benefits
This product contains 1 ingredient that may have this attribute:
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Concerns
This product contains 1 ingredient that may have this attribute:
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Join SkinSortIngredients Compared
Ingredients that are highlighted in purple are present in both products.
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID 35 ingredients
Paula's Choice 10% Azelaic Acid Booster 21 ingredients
Water • Glycolic Acid • Aminomethyl Propanol • Aloe Barbadensis Leaf Juice • Caprylic/Capric Triglyceride • Carthamus Tinctorius Seed Oil • Cetyl Alcohol • Dimethicone • Glycerin • Propanediol • Cetearyl Olivate • Methyl Glucose Sesquistearate • Cetearyl Alcohol • Sorbitan Olivate • Sodium Magnesium Silicate • Stearic Acid • Phenoxyethanol • Sodium Stearoyl Glutamate • Ceteareth-20 • Panthenyl Triacetate • Bisabolol • Xanthan Gum • Ethylhexylglycerin • Ascorbyl Tetraisopalmitate • Butylene Glycol • Pentylene Glycol • Oryza Sativa Bran Extract • Acetyl Rheum Rhaponticum Root Extract • Helianthus Annuus Extract • Hydroxyphenyl Propamidobenzoic Acid • Rosmarinus Officinalis Leaf Extract • Tocopherol • Zingiber Officinale Root Extract • Arginine • Parfum
Water • Azelaic Acid • C12-15 Alkyl Benzoate • Caprylic/Capric Triglyceride • Methyl Glucose Sesquistearate • Glycerin • Cetearyl Alcohol • Glyceryl Stearate • Dimethicone • Salicylic Acid • Adenosine • Glycyrrhiza Glabra Root Extract • Boerhavia Diffusa Root Extract • Allantoin • Bisabolol • Cyclopentasiloxane • Xanthan Gum • Sclerotium Gum • Propanediol • Butylene Glycol • Phenoxyethanol
Ingredients Side-by-side
Ingredients that are highlighted in purple are present in both products.
Learn more about what what Com. / Irr. ratings are
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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterBolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 1.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 1.
Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.
Within a product, Caprylic Triglyceride can thicken the product and make spreadability easier by dissolving clumping compounds. An added benefit of Caprylic Triglyceride is its antioxidant properties.
Caprylic Triglyceride is made by combining glycerin with coconut oil, forming a clear liquid. Caprylic Triglyceride has not been found to be toxic for human use in concentrations under 50%.
While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this.
Learn more about Caprylic/Capric TriglycerideBolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 5.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 4.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 8.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 9.
Glycerin 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 GlycerinBolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 9.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 6.
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.
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 PropanediolBolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 10.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 19.
Methyl Glucose Sesquistearate isn't fungal acne safe.
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 12.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 5.
Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.
Cetearyl alcohol is an emollient. Emollients help soothe and hydrate the skin by trapping moisture.
Studies show Cetearyl alcohol is non-toxic and non-irritating. The FDA allows products labeled "alcohol-free" to have fatty alcohols.
This ingredient is usually derived from plant oils such as palm, vegetable, or coconut oils. There is debate on whether this ingredient will cause acne.
Due to the fatty acid base, this ingredient may not be Malassezia folliculitis safe.
Learn more about Cetearyl AlcoholBolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 13.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 7.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent germ and microbial growth. By itself, it has a scent that is similar to that of a rose.
It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 17.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 21.
Bisabolol is pimarily used to add fragrance to a product. However, it is also famous for helping soothe skin.
Bisabolol comes from German chamomile essential oil. Synthetic Bisabolol has been shown to be less effective.
Bisabolol helps soothe skin. It does this by blocking the inflammatory signals, helping to reduce your body's reaction to irritation.
Bisabolol also interferes with the process of hyperpigmentation. This can help with reducing dark spots and uneven tone.
Bisabolol is an antioxidant. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells. By fighting these free-radicals, Bisabolol may slow down signs of aging.
Studies have shown Bisabolol to have antimicrobial properties and may be a fungicide. These properties help preserve a product's shelf life.
Bisabolol also helps the absorption of other ingredients.
Learn more about BisabololBolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 21.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 15.
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.
Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.
Learn more about Xanthan GumBolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 22.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 17.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
- It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
- It is a humectant, which means that it helps attract moisture into the skin.
- It helps improve product application.
Overall, Butylene Glycol is a safe and well-rounded ingredient. It is unlikely to irritate skin, and works well with pretty much all other ingredients.
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID contains this as ingredient number 25.
Paula's Choice 10% Azelaic Acid Booster contains this as ingredient number 20.
Here's what our community thinks of the ingredients in these two products.
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID 35 ingredients
Paula's Choice 10% Azelaic Acid Booster 21 ingredients
Usage
Here's some more info on how this product is used by our community.
When to use
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID 35 ingredients
Paula's Choice 10% Azelaic Acid Booster 21 ingredients
Reviews
Here's what our community thinks
Bolden NIGHTIME REPAIR SERUM WITH 10% GLYCOLIC ACID 35 ingredients
Paula's Choice 10% Azelaic Acid Booster 21 ingredients
thesunrising
Did nothing for my fungal acne. Actually did nothing at all.
(Compared to my cheap no-name Russian brand Azelaic acid cream which worked wonders).
BubbIes
Paula's Choice at it again with cetearyl alcohol high up on the ingredient list. I'm disappointed by their ingredients fairly consistently now.
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