Skin science article
KLAVUU Green Pearlsation PHA Calming Serum Versus Beauty of Joseon Glow Serum: Propolis + Niacinamide
KLAVUU Green Pearlsation PHA Calming Serum Versus Beauty of Joseon Glow Serum: Propolis + Niacinamide This smoothing exfoliator is formulated around Gluconolactone and Panthenol to refine skin texture and calm redness. This acne serum is formulated around Prop
KLAVUU Green Pearlsation PHA Calming Serum Versus Beauty of Joseon Glow Serum: Propolis + Niacinamide
This smoothing exfoliator is formulated around Gluconolactone and Panthenol to refine skin texture and calm redness.
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
Glycerin
Dipropylene Glycol
Butylene Glycol
Panthenol
Diethoxyethyl Succinate
1,2-Hexanediol
Betaine
Hydroxyacetophenone
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Tromethamine
Octyldodeceth-16
Gluconolactone
Hydrogenated Lecithin
Melaleuca Alternifolia Leaf Extract
Xanthan Gum
Disodium EDTA
Melaleuca Alternifolia Leaf Oil
Sodium Hyaluronate
Chlorella Vulgaris Extract
Spirulina Platensis Extract
Pearl Extract
Centella Asiatica Extract
Laminaria Saccharina Extract
Plankton Extract
Citric Acid
Betaine Salicylate
Ethylhexylglycerin
Hydrolyzed Collagen
Water, Glycerin, Dipropylene Glycol, Butylene Glycol, Panthenol, Diethoxyethyl Succinate, 1,2-Hexanediol, Betaine, Hydroxyacetophenone, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Octyldodeceth-16, Gluconolactone, Hydrogenated Lecithin, Melaleuca Alternifolia Leaf Extract, Xanthan Gum, Disodium EDTA, Melaleuca Alternifolia Leaf Oil, Sodium Hyaluronate, Chlorella Vulgaris Extract, Spirulina Platensis Extract, Pearl Extract, Centella Asiatica Extract, Laminaria Saccharina Extract, Plankton Extract, Citric Acid, Betaine Salicylate, Ethylhexylglycerin, Hydrolyzed Collagen
Propolis Extract
Niacinamide
Melia Azadirachta Flower Extract
Melia Azadirachta Leaf Extract
Curcuma Longa Root Extract
Ocimum Sanctum Leaf Extract
Theobroma Cacao Seed Extract
Corallina Officinalis Extract
Lotus Corniculatus Seed Extract
Calophyllum Inophyllum Seed Oil
Sodium Polyacryloyldimethyl Taurate
Polyglyceryl-10 Laurate
Caprylyl Glycol
Dextrin
Pentylene Glycol
Octanediol
Tocopherol
Carbomer
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
Betaine Salicylate is considered a salicylic acid alternative.
Limited studies exist proving this ingredient to be a complete alternative to salicylic acid. Based on existing research, this ingredient does not penetrate as deeply and is not shown to be as effective.
However, this makes it a great choice for those with sensitive skin or need gentle BHA action.
This ingredient is created using betaine and salicylic acid.
This ingredient is oil-soluble and is most effective at a pH range of 3.8-4.2.
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.
Centella Asiatica Extract (Centella) is one of the most researched botanical extracts in skincare with decades of studies backing its effects on inflammation, collagen, and the skin barrier.
That research keeps pointing back to the same four triterpenoid saponins: Asiaticoside, Madecassoside, Asiatic Acid, and Madecassic Acid.
These compounds allow centella to dial back inflammation, encourage the skin to build and hold onto collagen, support the barrier and hydration, and bring solid antioxidant activity to protect against signs of aging.
Centella also carries a nice supporting cast of Vitamin A, vitamin C, several B vitamins, and amino acids. Put it all together and you get an ingredient that soothes, hydrates, and protects, all at once.
Most of centella's magic comes from the four big compounds (Asiaticoside, Madecassoside, Asiatic Acid, and Madecassic Acid). These are the actives doing the heavy lifting in almost every centella study.
Here is the short version of what they do in the skin:
So it is not just soothing for the sake of soothing. Centella calms the skin AND helps it rebuild.
Just FYI, not all centella on an ingredient list is the same. What you are getting actually depends on the extract:
Fun fact on the ratios: the leaves tend to be richest in Madecassoside and Asiaticoside, and lower in the two acids. The exact amounts shift with where the plant is grown and how it is processed. This means purity really does vary brand to brand.
Centella is one of the most easygoing actives out there.
It layers well with basically everything: niacinamide, hyaluronic acid, peptides, and vitamin C, and also pairs nicely with stronger actives like retinoids and exfoliating acids where it can help take the edge off irritation.
On the safety side, centella and its triterpenes are classified as weak sensitizers, meaning allergic reactions are possible but uncommon.
Patch tests at 1% and 5% came back negative in test panels, and creams at typical use levels did not cause allergic reactions across large groups of people.
But as with any new active, a patch test is still a smart move for very reactive skin.
Centella is widely used because it is effective at low percentages. For context, human safety testing found no meaningful irritation from creams containing centella extract at everyday use levels (the tested amounts were well under 1%).
The irritancy threshold in animal testing was also above 30% (so real-world formulas sit far below anything concerning).
In collagen lab studies, higher concentrations drove more collagen synthesis, so serums built around centella tend to feature it more prominently.
Bottom line: you will find centella working nicely anywhere from a fraction of a percent up to hero-ingredient levels depending on whether it is a supporting soother or the main event.
Fun fact: Centella has been used as a medicine and in food for many centuries. As a medicine, it is used to treat burns, scratches, and wounds.
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.
Melaleuca Alternifolia Leaf Extract comes from the Tea Tree, Melaleuca alternifolia, Myrtaceae. This tea tree is native to Australia.
Tea Leaf extract contains antimicrobial and anti-acne properties.
This ingredient has perfuming properties and contains linalool and limonene. These fragrance and terpinen components can cause skin sensitivity.
Learn more about the benefits of Tea Tree Oil here.
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.
Tromethamine (aka THAM) is a synthetic amino acid that shows up in skincare as a helper ingredient.
It functions as a pH adjuster to help neutralize acidic ingredients and set a formula's pH to the right spot.
This matters a lot because a lot of actives (like vitamin C) needs a specific pH to work well and feel comfortable on skin.
Concentration use ranges from 0.1-1.0% depending on the formula.
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!
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.