The Agency Dark Spot FormulaRX Versus Curology Custom Formula (Tretinoin 0.009%, Clindamycin 1%, Azelaic Acid 9%)
Updated on October 15, 2023
Overview
What they are
These products are both reef safe . They have a total of 1 ingredients in common
Suited For
They're both likely to be good for fighting acne, anti aging, brightening skin, reducing pores, scar healing 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
The Agency Dark Spot FormulaRX 25 ingredients
Curology Custom Formula (Tretinoin 0.009%, Clindamycin 1%, Azelaic Acid 9%) 3 ingredients
At a glance
Click on any of the items below to learn more
The Agency Dark Spot FormulaRX 25 ingredients
Curology Custom Formula (Tretinoin 0.009%, Clindamycin 1%, Azelaic Acid 9%) 3 ingredients
Notable Ingredients
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Benefits
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Concerns
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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 1 ingredient that may have this attribute:
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Concerns
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Ingredients Side-by-side
May worsen Rosacea
Hydroquinone is used to treat hyperpigmentation, acne scars, and age spots.
2 Benefits
Kojic acid comes from fungi and can also be from fermented foods. It helps even out skin tone and reduce hyperpigmentation.
Azelaic acid is a naturally occurring acid derived from grains. This ingredient is effective in treating acne, rosacea, and other skin conditions.
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.
3 Concerns
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.
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.
Isohexadecane is added to enhance texture, emulsify, and to help cleanse. It is an isoparrafin. It is a component of petrolatum.
C13-15 Alkane is a group of alkanes with 13 to 15 carbon atoms in the alkyl chain.
Glyceryl Stearate is a mix of glycerin and stearic acid.
Polyacrylate-13 is a type of acrylate polymer. Acrylate polymers are commonly used as adhesives in cosmetics.
Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.
Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product.
Antioxidant Helps brighten skin
Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.
Antioxidant 6 Benefits
Ascorbic Acid is is pure Vitamin C. This form makes up the largest amount of vitamin C found naturally in our skin.
Preservative
Sodium Bisulfite is an antioxidant and is a preservative.
May worsen Eczema
Benzoic Acid is used to preserve and adjust the pH of products.
May worsen Eczema
Sorbic Acid is a preservative. It is the most commonly used food preservative in the world.
BHT is a synthetic antioxidant. As an antioxidant, it helps your body fight off free-radicals. Free-radicals are molecules that may damage your skin cells.
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.
Hydroquinone 4%, Kojic Acid 4%, Azelaic Acid 3%, Hydrocortisone 2.5%, Water, Cetearyl Alcohol, Polysorbate 60, Isohexadecane, Isododecane, C13-15 Alkane, Glyceryl Stearate, Peg-75 Stearate, Polyacrylate-13, Polyisobutene, Polysorbate 20, Polyurethane-39, Stearyl Behenate, Cetyl Alcohol, Tocopheryl Acetate, Ascorbic Acid, Sodium Bisulfite, Benzoic Acid 0.09%, Sorbic Acid 0.09%, BHT, Propanediol
3 Benefits 2 Concerns
Tretinoin is the best retinoid due to its proven skin benefits. It only available with a prescription in many countries.
Azelaic acid is a naturally occurring acid derived from grains. This ingredient is effective in treating acne, rosacea, and other skin conditions.
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Azelaic acid is a naturally occurring acid derived from grains. This ingredient is effective in treating acne, rosacea, and other skin conditions.
It has been shown to reduce the growth of acne-causing bacteria and helps reduce inflammation. On top of that, it helps reduce the production of sebum and unclog pores.
Azelaic Acid also has antioxidant properties. Antioxidants protect our skin cells from free-radical damage.
One of the main benefits of azelaic acid is that it is gentle and well-tolerated by most people. It is also non-comedogenic, meaning that it will not clog pores.
Fun fact: The lab-created form of azelaic acid is typically used within cosmetic products for its shelf-stability.
Learn more about Azelaic AcidIngredient Ratings
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When to use
The Agency Dark Spot FormulaRX 25 ingredients
Curology Custom Formula (Tretinoin 0.009%, Clindamycin 1%, Azelaic Acid 9%) 3 ingredients
