COSNORI

COSNORI Heartleaf Calming Ampoule

Name: COSNORI - Heartleaf Calming Ampoule
Brand: COSNORI

Efficacy100/100IrritancyLow

See all ingredients

Works for

Moisturizing

Niacinamide, Ceramide np + 9 more

Works well

What the product description says

“A daily ampoule enriched with 75.5% organic Houttuynia Cordata Extract to soothe environmental irritated skin and replenish hydration for brighter and clearer skin.”

Source: Yesstyle

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: betaine, glycerin.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: ceramide np.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: ceramide np, niacinamide

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~2.6–3.9%

Ceramide npHero· EmollientEffect: HighA type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin~0.1–0.5%

GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~4–6%

BetaineKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and improves the product texture~1.9–2.9%

Methyl gluceth-20Key active· HumectantEffect: MediumHelps attract water to the upper layer of the skin and soften it~1.5–2.3%

Polyglycerin-3Key active· HumectantEffect: HighHelps to attract water to the upper layer of the skin~1.3–1.9%

Centella asiatica extractKey activeEffect: HighA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~1–1.45%

Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.35–0.85%

AdenosineKey activeEffect: MediumMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.1–0.45%

Polyquaternium-51Effect: LowAn emollient that helps create a nice silky finish on the skin~0.2–0.75%

Dextrin· HumectantEffect: LowA sugar that is used to stabilize the product formulation. Can help attract water to the upper layer of the skin~0.1–0.3%

Anti-aging

Side benefit · Niacinamide, Centella asiatica extract + 1 more

Works well

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains adenosine, niacinamide.

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: centella asiatica extract.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~2.6–3.9%

Centella asiatica extractKey activeEffect: MediumA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~1–1.45%

AdenosineKey activeEffect: HighMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.1–0.45%

Evens skin tone

Side benefit · Niacinamide

Works well

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: niacinamide

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

Anti-blemish

Side benefit the brand mentions · Niacinamide, Centella asiatica extract

Works well

What the product description says

“Heartleaf Calming Ampoule”

From product name

This product can help reduce breakouts and clogged pores because it contains the following ingredient: niacinamide. This ingredient is used for treating acne and can have a noticeable effect.

Centella asiatica extractEffect: LowA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~1–1.45%

Anti-oxidation

Side benefit · Centella asiatica extract, Ficus carica fruit extract + 1 more

May help

This product contains antioxidants (centella asiatica extract, ficus carica fruit extract) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.

Ficus carica fruit extractKey activeEffect: MediumA plant extract that can help neutralize free radicals. The concentrations typically used in cosmetics are too small to have an effect~0.6–1.35%

AdenosineEffect: LowMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.1–0.45%

Can it cause trouble?

Irritancy

6 flagged ingredients

Low risk

We flag 6 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.

IngredientFunctionIrritationEst. amount

MethylpropanediolHelps dissolve other ingredients in a formulationMedium~5.3–7.9%est.

1,2-hexanediolA preservativeMedium~2.2–3.3%est.

Centella asiatica extractA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.Medium~1–1.45%est.

Ficus carica fruit extractA plant extract that can help neutralize free radicals. The concentrations typically used in cosmetics are too small to have an effectMedium~0.6–1.35%est.

Disodium edtaStabilizes the product formulationMedium~0.1–0.35%est.

EthylhexylglycerinA preservativeMedium~0.05–0.2%est.

Comedogenic

1 ingredient rated 2 or more on the 0–5 pore-clogging scale

1 flagged

These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.

IngredientFunctionRatingEst. amount

Theobroma cacao seed extract—3/5~0.5–1.15%est.

Alternatives

Cheaper, or higher on efficacy

Beauty of Joseon Calming Barrier Serum

Cheaper91% match

$13.60

SCINIC Hyaluronic Acid Ampoule Serum

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$17.60

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Ingredients

Filter by role to see what each ingredient is doing.

Houttuynia cordata extract75.5%

Formula

Irritation risk: Low

More about Houttuynia cordata extract

Propanediol~23–34%

Formula

Irritation risk: Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol

Methylpropanediol~5.3–7.9%

Irritant · medium

Irritation risk: Medium

Helps dissolve other ingredients in a formulation

More about Methylpropanediol

Glycerin~4–6%

Key active

Irritation risk: Low

Works for

Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin

1,2-hexanediol~2.2–3.3%

Irritant · medium

Irritation risk: Medium

A preservative

More about 1,2-hexanediol

Niacinamide~2.6–3.9%

Hero · Moisturizing, Anti-blemish

Irritation risk: Low

Works for

Anti-agingEvens skin toneAnti-blemishMoisturizingReduces irritationAnti-inflammatoryAntibacterialReduces redness

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide

Betaine~1.9–2.9%

Key active

Irritation risk: Low

Works for

Moisturizing

Helps attract water to the upper layer of the skin and improves the product texture

More about Betaine

Methyl gluceth-20~1.5–2.3%

Key active

Irritation risk: Low

Works for

Moisturizing

Helps attract water to the upper layer of the skin and soften it

More about Methyl gluceth-20

Polyglycerin-3~1.3–1.9%

Key active

Irritation risk: Low

Works for

Moisturizing

Helps to attract water to the upper layer of the skin

More about Polyglycerin-3

Centella asiatica extract~1–1.45%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Reduces rednessAnti-inflammatoryMoisturizingReduces irritationAnti-oxidationAnti-agingAnti-blemish

A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.

More about Centella asiatica extract

Ficus carica fruit extract~0.6–1.35%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Anti-oxidation

A plant extract that can help neutralize free radicals. The concentrations typically used in cosmetics are too small to have an effect

More about Ficus carica fruit extract

Theobroma cacao seed extract~0.5–1.15%

Comedogenic 3/5

Irritation risk: Low
Comedogenicity: 3/5

More about Theobroma cacao seed extract

Hydrogenated lecithin~0.45–1%

Formula

Irritation risk: Low

Works for

Cleansing

Helps to retain moisture by creating a protective barrier on the skin. Rich in fatty acids. Improves product texture and helps with the penetration of other ingredients.

More about Hydrogenated lecithin

Sodium hyaluronate~0.35–0.85%

Key active

Irritation risk: Low

Works for

Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate

Water~0.3–0.7%

Formula

Irritation risk: Low

Plain old water

More about Water

Xanthan gum~0.2–0.75%

Formula

Irritation risk: Low

Works for

Cleansing

Used to create a thicker product consistency

More about Xanthan gum

Carbomer~0.15–0.7%

Formula

Irritation risk: Low

Works for

Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer

Tromethamine~0.15–0.6%

Formula

Irritation risk: Low

Helps adjust pH in products

More about Tromethamine

Polyquaternium-51~0.2–0.75%

Formula

Irritation risk: Low

Works for

Moisturizing

An emollient that helps create a nice silky finish on the skin

More about Polyquaternium-51

Adenosine~0.1–0.45%

Key active

Irritation risk: Low

Works for

Anti-agingMoisturizingAnti-oxidation

Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)

More about Adenosine

Disodium edta~0.1–0.35%

Irritant · medium

Irritation risk: Medium

Stabilizes the product formulation

More about Disodium edta

Dextrin~0.1–0.3%

Formula

Irritation risk: Low

Works for

Moisturizing

A sugar that is used to stabilize the product formulation. Can help attract water to the upper layer of the skin

More about Dextrin

Ceramide np~0.1–0.5%

Hero · Moisturizing

Irritation risk: Low

Works for

MoisturizingAnti-inflammatoryReduces irritation

A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin

More about Ceramide np

Ethylhexylglycerin~0.05–0.2%

Irritant · medium

Irritation risk: Medium

A preservative

More about Ethylhexylglycerin

Ingredient list view

Houttuynia cordata extract, Propanediol, Methylpropanediol, Glycerin, 1,2-hexanediol, Niacinamide, Betaine, Methyl gluceth-20, Polyglycerin-3, Centella asiatica extract, Ficus carica fruit extract, Theobroma cacao seed extract, Hydrogenated lecithin, Sodium hyaluronate, Water, Xanthan gum, Carbomer, Tromethamine, Polyquaternium-51, Adenosine, Disodium edta, Dextrin, Ceramide np, Ethylhexylglycerin

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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
	COSNORIHeartleaf Calming AmpouleYOUR PRODUCT	Beauty of JoseonCalming Barrier Serum	ElishacoyKombucha Gyeol-Biome Ampoule	GoodalBlack Carrot Vita-A Retinol Ampoule Firming Pore Tightening
Match	—	91%	88%	87%
Price	$20.00	$13.60−$6.40	$19.60	$26.94+$6.94
Shared key ingredients	—	7 of 9	5 of 9	9 of 9
Key difference	—	Panthenol	Panthenol	Retinol
Irritancy	Low	Low	Low	Medium
Drying alcohol	—	—	—	—
	View product	Shop	Shop	Shop

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Product summary

"COSNORI - Heartleaf Calming Ampoule" is effective for: Anti-aging, Moisturizing, Evens skin tone and Anti-blemish

Ingredient callouts

A good concentration of Niacinamide (2.60% - 3.90%). Niacinamide is a well-studied multi-tasking active. It is stable, and can work well in almost any hydrating formulation. There is solid evidence that Niacinamide can help support skin barrier, regulate oil production and reduce acne and clogged pores. It also helps to fight photodamage and improve the skin tone, reducing pigmentation marks.
Ceramides (ceramide np 0.10% - 0.50%). Ceramides are an important part of our natural skin barrier. The Ceramides used in skincare are synthetic or come from plants. They help soften the skin and can help "fill the gaps" in the skin barrier, keeping the skin hydrated and resilient for longer.
Adenosine 0.10% - 0.45%. It is a compound that in involved in many biological processes inside the skin cells. According one high-quality clinical trial, topical Adenosine in low concentrations can somewhat help improve "deep wrinkles" - the wrinkles that appear with age in places where our faces are most dynamic (for example, on the forehead or in the corners of the eyes).
Humectants (sodium hyaluronate 0.35% - 0.85%, polyglycerin-3 1.30% - 1.90%, betaine 1.90% - 2.90% and glycerin 4.00% - 6.00%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.