Skin science article
Dr. Althea Rapid Firm Sculpting Cream Versus Beauty of Joseon Glow Serum: Propolis + Niacinamide
Dr. Althea Rapid Firm Sculpting Cream Versus Beauty of Joseon Glow Serum: Propolis + Niacinamide This anti-aging moisturizer is formulated around Hydroxydecyl Ubiquinone and Copper Tripeptide-1 to soften the look of wrinkles. This acne serum is formulated arou
Dr. Althea Rapid Firm Sculpting Cream Versus Beauty of Joseon Glow Serum: Propolis + Niacinamide
This anti-aging moisturizer is formulated around Hydroxydecyl Ubiquinone and Copper Tripeptide-1 to soften the look of wrinkles.
This acne serum is formulated around Propolis Extract and Niacinamide to clear breakouts and brighten dull-looking skin.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Caprylic/Capric Triglyceride
Glycerin
Butylene Glycol
Cetearyl Alcohol
Polyglyceryl-3 Methylglucose Distearate
Cyclopentasiloxane
Polysorbate 60
Glyceryl Stearate
Palmitic Acid
1,2-Hexanediol
Cyclohexasiloxane
Dimethicone
Benzyl Glycol
Stearic Acid
Sorbitan Sesquioleate
Ethylhexylglycerin
Carbomer
Arginine
Sodium Polyacrylate
Isopentyldiol
Tocopheryl Acetate
Allantoin
Propanediol
Dipotassium Glycyrrhizate
Polyglyceryl-4 Oleate
Disodium EDTA
Hydrolyzed Corn Starch
Sucrose Palmitate
Dipropylene Glycol
Leontopodium Alpinum Extract
Lauric Acid
Hydroxydecyl Ubiquinone
Sucrose
Myristic Acid
Citrus Aurantium Bergamia Fruit Oil
Anastatica Hierochuntica Extract
Butyrospermum Parkii Butter
Hydrolyzed Collagen
Silk Extract
Salmon Egg Extract
Beta-Glucan
Adansonia Digitata Fruit Extract
Hydrolyzed Glycosaminoglycans
Sodium Hyaluronate
Sodium Hyaluronate Crosspolymer
Copper Tripeptide-1
Hydrolyzed Hyaluronic Acid
Acetyl Hexapeptide-8
Hydroxypropyltrimonium Hyaluronate
Hyaluronic Acid
Sodium Acetylated Hyaluronate
Water, Caprylic/Capric Triglyceride, Glycerin, Butylene Glycol, Cetearyl Alcohol, Polyglyceryl-3 Methylglucose Distearate, Cyclopentasiloxane, Polysorbate 60, Glyceryl Stearate, Palmitic Acid, 1,2-Hexanediol, Cyclohexasiloxane, Dimethicone, Benzyl Glycol, Stearic Acid, Sorbitan Sesquioleate, Ethylhexylglycerin, Carbomer, Arginine, Sodium Polyacrylate, Isopentyldiol, Tocopheryl Acetate, Allantoin, Propanediol, Dipotassium Glycyrrhizate, Polyglyceryl-4 Oleate, Disodium EDTA, Hydrolyzed Corn Starch, Sucrose Palmitate, Dipropylene Glycol, Leontopodium Alpinum Extract, Lauric Acid, Hydroxydecyl Ubiquinone, Sucrose, Myristic Acid, Citrus Aurantium Bergamia Fruit Oil, Anastatica Hierochuntica Extract, Butyrospermum Parkii Butter, Hydrolyzed Collagen, Silk Extract, Salmon Egg Extract, Beta-Glucan, Adansonia Digitata Fruit Extract, Hydrolyzed Glycosaminoglycans, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Copper Tripeptide-1, Hydrolyzed Hyaluronic Acid, Acetyl Hexapeptide-8, Hydroxypropyltrimonium Hyaluronate, Hyaluronic Acid, Sodium Acetylated Hyaluronate
Propolis Extract
Niacinamide
Melia Azadirachta Flower Extract
Melia Azadirachta Leaf Extract
Curcuma Longa Root Extract
Ocimum Sanctum Leaf Extract
Theobroma Cacao Seed Extract
Melaleuca Alternifolia Leaf Extract
Centella Asiatica Extract
Corallina Officinalis Extract
Lotus Corniculatus Seed Extract
Calophyllum Inophyllum Seed Oil
Betaine Salicylate
Sodium Polyacryloyldimethyl Taurate
Tromethamine
Polyglyceryl-10 Laurate
Caprylyl Glycol
Dextrin
Pentylene Glycol
Octanediol
Tocopherol
Xanthan Gum
Propolis Extract, Dipropylene Glycol, Glycerin, Butylene Glycol, Water, Niacinamide, 1,2-Hexanediol, Melia Azadirachta Flower Extract, Melia Azadirachta Leaf Extract, Sodium Hyaluronate, Curcuma Longa Root Extract, Ocimum Sanctum Leaf Extract, Theobroma Cacao Seed Extract, Melaleuca Alternifolia Leaf Extract, Centella Asiatica Extract, Corallina Officinalis Extract, Lotus Corniculatus Seed Extract, Calophyllum Inophyllum Seed Oil, Betaine Salicylate, Sodium Polyacryloyldimethyl Taurate, Tromethamine, Polyglyceryl-10 Laurate, Caprylyl Glycol, Ethylhexylglycerin, Dextrin, Pentylene Glycol, Octanediol, Tocopherol, Xanthan Gum, Carbomer
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Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.
It is a:
Humectant, drawing moisture into the skin
Emollient, helping to soften skin
Solvent, dispersing and stabilizing formulas
Preservative booster, enhancing the antimicrobial activity of other preservatives
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture.
Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%.
It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier.
Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%.
A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions.
Dipropylene Glycol is a synthetically created humectant, stabilizer, and solvent.
This ingredient helps:
Dipropylene glycol is technically an alcohol, but it belongs to the glycol family (often considered part of the ‘good’ alcohols). This means it is hydrating and gentle on skin unlike drying solvent alcohols like denatured alcohol.
As a masking agent, Dipropylene Glycol can be used to cover the smell of other ingredients. However, it does not have a scent.
Studies show Dipropylene Glycol is considered safe to use in skincare.
Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:
The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.
Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.
Glycerin (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.
Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.
In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.
Interestingly, the size of the molecule affects its behavior:
Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.
Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.
You'll typically see concentrations between 0.1-2% for this ingredient.
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. Remember to stay hydrated!