Bring Green Zinc Teca 1.2% Blemish Serum Versus Beauty of Joseon Glow Serum: Propolis + Niacinamide

Bring Green Zinc Teca 1.2% Blemish Serum Versus Beauty of Joseon Glow Serum: Propolis + Niacinamide

This acne serum is formulated around Niacinamide and Centella Asiatica Extract to clear breakouts 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

Ethoxydiglycol

Methylpropanediol

Methyl Gluceth-20

1,2-Hexanediol

Niacinamide

Centella Asiatica Extract

Melaleuca Alternifolia Leaf Extract

Melaleuca Alternifolia Flower/Leaf/Stem Extract

Corchorus Olitorius Leaf Extract

Angelica Keiskei Extract

Nelumbo Nucifera Root Extract

Hibiscus Esculentus Fruit Extract

Dioscorea Japonica Root Extract

Hydrogenated Lecithin

Melaleuca Alternifolia Leaf Water

Melaleuca Alternifolia Leaf Oil

Octyldodecanol

Octyldodeceth-16

Asiaticoside

Madecassic Acid

Glycolipids

Asiatic Acid

C12-13 Alketh-9

Carbomer

Tromethamine

Pvp

Sodium Polyacrylate

Disodium EDTA

4-Terpineol

Zinc PCA

Ethylhexylglycerin

Water, Ethoxydiglycol, Methylpropanediol, Methyl Gluceth-20, 1,2-Hexanediol, Niacinamide, Centella Asiatica Extract, Melaleuca Alternifolia Leaf Extract, Melaleuca Alternifolia Flower/Leaf/Stem Extract, Corchorus Olitorius Leaf Extract, Angelica Keiskei Extract, Nelumbo Nucifera Root Extract, Hibiscus Esculentus Fruit Extract, Dioscorea Japonica Root Extract, Hydrogenated Lecithin, Melaleuca Alternifolia Leaf Water, Melaleuca Alternifolia Leaf Oil, Octyldodecanol, Octyldodeceth-16, Asiaticoside, Madecassic Acid, Glycolipids, Asiatic Acid, C12-13 Alketh-9, Carbomer, Tromethamine, Pvp, Sodium Polyacrylate, Disodium EDTA, 4-Terpineol, Zinc PCA, Ethylhexylglycerin

Propolis Extract

Dipropylene Glycol

Glycerin

Butylene Glycol

Melia Azadirachta Flower Extract

Melia Azadirachta Leaf Extract

Sodium Hyaluronate

Curcuma Longa Root Extract

Ocimum Sanctum Leaf Extract

Theobroma Cacao Seed Extract

Corallina Officinalis Extract

Lotus Corniculatus Seed Extract

Calophyllum Inophyllum Seed Oil

Betaine Salicylate

Sodium Polyacryloyldimethyl Taurate

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

Reviews

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

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.

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.

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.

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.

Niacinamide is a multitasking form of vitamin B3 that strengthens the skin barrier, reduces pores and dark spots, regulates oil, and improves signs of aging.

And the best part? It's gentle and well-tolerated by most skin types, including sensitive and reactive skin.

You might have heard of "niacin flush", or the reddening of skin that causes itchiness. Niacinamide has not been found to cause this.

In very rare cases, some individuals may not be able to tolerate niacinamide at all or experience an allergic reaction to it.

If you are experiencing flaking, irritation, and dryness with this ingredient, be sure to double check all your products as this ingredient can be found in all categories of skincare.

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.

When you apply niacinamide to your skin, your body converts it into nicotinamide adenine dinucleotide (NAD). NAD is an essential coenzyme that is already found in your cells as "fuel" and powers countless biological processes.

In your skin, NAD helps repair cell damage, produce new healthy cells, support collagen production, strengthen the skin barrier, and fight environmental stressors (like UV and pollution).

Our natural NAD levels start to decline with age, leading to slower skin repair, visible aging, and a weaker skin barrier. By providing your skin niacinamide, you're recharging your skin's NAD levels. This leads to stronger, healthier, and younger looking skin.

Another name for vitamin B3 is nicotinamide. This vitamin is water-soluble and our bodies don't store it. We obtain Vitamin B3 from either food or skincare. Meat, fish, wheat, yeast, and leafy greens contain vitamin B3.

The type of niacinamide used in skincare is synthetically created.

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!

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