What's In My Jar
MEDI-PEEL Peptide 9 Essence Emulsion
MEDI-PEEL

MEDI-PEEL Peptide 9 Essence Emulsion

Efficacy100/100IrritancyHigh
See all ingredients

Works for

Moisturizing
Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7 + 33 more
Works well
What the product description says
“This lightweight, readily absorbing moisturiser deeply hydrates skin without feeling sticky.”
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: arginine, betaine.

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: arginine, caprylic/capric triglyceride.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: acetyl hexapeptide-8, acetyl octapeptide-3, copper tripeptide-1, hexapeptide-9, nonapeptide-1, palmitoyl pentapeptide-4, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1, tripeptide-1

Palmitoyl tripeptide-1Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.25–0.4%
Palmitoyl tetrapeptide-7Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
Tripeptide-1Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
Acetyl octapeptide-3Hero· HumectantEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.35%
Acetyl hexapeptide-8Hero· HumectantEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.25%
Nonapeptide-1HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.25%
Palmitoyl pentapeptide-4HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Copper tripeptide-1HeroEffect: HighA naturally occurring peptide. One of the most studied peptides in dermatology. It is sometimes abbreviated GHK-Cu. Belongs to the class of carrier peptides. It stimulates both synthesis and breakdown of collagen in skin. It is released in skin wounds and inflammation to support healing. It accelerates wound-healing of the skin and can stimulate hair growth. There are preliminary studies that confirm that copper tripeptide can help support collagen production reducing fine lines and wrinkles and decrease inflammation in skin.~0.15–0.3%
Hexapeptide-9Hero· HumectantEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
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~3.6–4.4%
CyclopentasiloxaneKey active· EmollientEffect: MediumA silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin~3–3.6%
BetaineKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and improves the product texture~1.8–2.2%
Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~1.2–1.4%
Canola oilKey active· EmollientEffect: MediumA plant oil that can help soften the upper layer of the skin~0.75–1.15%
Vitis vinifera seed oilKey active· EmollientEffect: HighA great emollient that can also have anti-oxidant properties~0.3–0.55%
TrehaloseKey active· HumectantEffect: HighA sugar that attracts water to the upper layer of the skin~0.25–0.5%
ArginineKey active· Humectant, OcclusiveEffect: HighAn amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin~0.25–0.45%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.2–0.35%
Sodium hyaluronate crosspolymerKey active· HumectantEffect: HighAttracts water into the upper layer of the skin~0.2–0.35%
Hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.2–0.35%
Hydrolyzed collagenKey active· Humectant, EmollientEffect: HighA typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin~0.2–0.4%
Hydrolyzed glycosaminoglycansKey active· HumectantEffect: HighLong sugars that help attract water to the upper layer of the skin~0.2–0.35%
Hydrolyzed hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin~0.2–0.35%
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)~0.15–0.3%
Cyclohexasiloxane· EmollientEffect: LowA silicone that serves as an emollient. Helps create a nice non-greasy feels~1.6–1.9%
Cetyl ethylhexanoate· EmollientEffect: LowAn emollient that helps soften the skin and creates a thicker product texture~1.4–1.7%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.4–0.6%
Hydrogenated polyisobutene· Emollient, OcclusiveEffect: LowUsed to improve the product consistency and soften the upper layer of the skin~0.25–0.4%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.2–0.4%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.2–0.35%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.2–0.35%
Prunus armeniaca kernel oilUnder-dosedAn emollient that helps soften the skin~0.3–0.55%
Macadamia integrifolia seed oilUnder-dosedA plant oil that helps soften the upper layer of the skin~0.25–0.5%
Argania spinosa kernel oilUnder-dosedAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties~0.2–0.4%
AllantoinUnder-dosedHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.15–0.3%
Anti-aging
Palmitoyl tripeptide-1, Astaxanthin + 11 more
Works well
What the product description says
“Patent Time Code Collagen helps combat pre-mature aging signs for uniform skin texture.”
Source: Yesstyle

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

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: acetyl hexapeptide-8, acetyl octapeptide-3, astaxanthin, copper tripeptide-1, hexapeptide-9, nonapeptide-1, palmitoyl pentapeptide-4, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1, tripeptide-1.

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.

Palmitoyl tripeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.25–0.4%
AstaxanthinKey activeEffect: MediumHelps neutralize free radicals in skin and might help to calm down inflammation~0.2–0.35%
Palmitoyl tetrapeptide-7Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
Acetyl octapeptide-3Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.35%
Tripeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
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)~0.15–0.3%
Hexapeptide-9Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Copper tripeptide-1Key activeEffect: MediumA naturally occurring peptide. One of the most studied peptides in dermatology. It is sometimes abbreviated GHK-Cu. Belongs to the class of carrier peptides. It stimulates both synthesis and breakdown of collagen in skin. It is released in skin wounds and inflammation to support healing. It accelerates wound-healing of the skin and can stimulate hair growth. There are preliminary studies that confirm that copper tripeptide can help support collagen production reducing fine lines and wrinkles and decrease inflammation in skin.~0.15–0.3%
Palmitoyl pentapeptide-4Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Nonapeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.25%
Acetyl hexapeptide-8Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.25%
Hyaluronic acidEffect: LowOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.2–0.35%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.2–0.35%
Anti-oxidation
Not advertised by the brand · Astaxanthin, Vitis vinifera seed oil + 6 more
Works well

This product contains antioxidants (astaxanthin) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

AstaxanthinKey activeEffect: HighHelps neutralize free radicals in skin and might help to calm down inflammation~0.2–0.35%
Vitis vinifera seed oilEffect: LowA great emollient that can also have anti-oxidant properties~0.3–0.55%
Anemarrhena asphodeloides root extractEffect: LowA plant extract that might have some anti-oxidant properties~0.2–0.35%
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)~0.15–0.3%
Juniperus communis fruit extractEffect: LowBerry extract that might have some anti-oxidant effect~0.15–0.3%
Prunus armeniaca kernel oilEffect: Low, below effective doseAn emollient that helps soften the skin~0.3–0.55%
Argania spinosa kernel oilEffect: Low, below effective doseAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties~0.2–0.4%
TocopherolUnder-dosedPure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.2–0.35%

Can it cause trouble?

Irritancy
3 strong irritants: Alcohol, Eucalyptus globulus leaf extract + 1 more — patch-test recommended
High risk
We flagged 20 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
AlcoholCan be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial propertiesHigh~0.2–0.35%est.
Eucalyptus globulus leaf extractUsed as a fragrance. Can be irritatingHigh~0.15–0.3%est.
Raspberry ketoneUsed as a fragrance. It can reduce skin pigmentation, but it is not safe to use for these purposes in high concentrations as use of raspberry ketone and its derivative is linked to causing loss of skin pigmentation in people (leukoderma)High~0.15–0.25%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.1–0.15%est.
MethylpropanediolHelps dissolve other ingredients in a formulationMedium~5.3–6.5%est.
1,2-hexanediolA preservativeMedium~1.1–1.4%est.
Cetyl ethylhexanoateAn emollient that helps soften the skin and creates a thicker product textureMedium~1.4–1.7%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~1.2–1.4%est.
Canola oilA plant oil that can help soften the upper layer of the skinMedium~0.75–1.15%est.
Vitis vinifera seed oilA great emollient that can also have anti-oxidant propertiesMedium~0.3–0.55%est.
Prunus armeniaca kernel oilAn emollient that helps soften the skinMedium~0.3–0.55%est.
EthylhexylglycerinA preservativeMedium~0.2–0.4%est.
Disodium edtaStabilizes the product formulationMedium~0.2–0.35%est.
Argania spinosa kernel oilAn emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant propertiesMedium~0.2–0.4%est.
Juniperus communis fruit extractBerry extract that might have some anti-oxidant effectMedium~0.15–0.3%est.
Sodium hyaluronate crosspolymerAttracts water into the upper layer of the skinMedium~0.2–0.35%est.
Polysorbate 60Helps oil and water mix togetherMedium~0.2–0.4%est.
Benzyl glycolHelps dissolve other ingredients and preserve productsMedium~0.2–0.35%est.
AstaxanthinHelps neutralize free radicals in skin and might help to calm down inflammationMedium~0.2–0.35%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.2–0.4%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Methylpropanediol~5.3–6.5%
Irritant · medium
Irritation risk
Medium

Helps dissolve other ingredients in a formulation

More about Methylpropanediol
Glycerin~3.6–4.4%
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
Cyclopentasiloxane~3–3.6%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin

More about Cyclopentasiloxane
1,2-hexanediol~1.1–1.4%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Betaine~1.8–2.2%
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
Cyclohexasiloxane~1.6–1.9%
Formula
Irritation risk
Low
Works for
Moisturizing

A silicone that serves as an emollient. Helps create a nice non-greasy feels

More about Cyclohexasiloxane
Cetyl ethylhexanoate~1.4–1.7%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

An emollient that helps soften the skin and creates a thicker product texture

More about Cetyl ethylhexanoate
Caprylic/capric triglyceride~1.2–1.4%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin

More about Caprylic/capric triglyceride
Canola oil~0.75–1.15%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A plant oil that can help soften the upper layer of the skin

More about Canola oil
Cetearyl olivate~0.55–0.85%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Cetearyl olivate
Sorbitan olivate~0.45–0.65%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Sorbitan olivate
Glyceryl stearate~0.4–0.6%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together

More about Glyceryl stearate
Trehalose~0.25–0.5%
Key active
Irritation risk
Low
Works for
Moisturizing

A sugar that attracts water to the upper layer of the skin

More about Trehalose
Vitis vinifera seed oil~0.3–0.55%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

A great emollient that can also have anti-oxidant properties

More about Vitis vinifera seed oil
Peg-100 stearate~0.35–0.65%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix togehter and creates a nice product texture

More about Peg-100 stearate
Prunus armeniaca kernel oil~0.3–0.55%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

An emollient that helps soften the skin

More about Prunus armeniaca kernel oil
Carbomer~0.25–0.5%
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
Arginine~0.25–0.45%
Key active
Irritation risk
Low
Works for
Moisturizing

An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin

More about Arginine
Macadamia integrifolia seed oil~0.25–0.5%
Under-dosed
Irritation risk
Low
Works for
Moisturizing

A plant oil that helps soften the upper layer of the skin

More about Macadamia integrifolia seed oil
Hydroxyethylcellulose~0.25–0.45%
Formula
Irritation risk
Low

Used to thicken product formulations and create gel-like textures

More about Hydroxyethylcellulose
Ethylhexylglycerin~0.2–0.4%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Adenosine~0.15–0.3%
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
Allantoin~0.15–0.3%
Under-dosed
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizingReduces irritationReduces rednessAnti-blemishExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin
Disodium edta~0.2–0.35%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Argania spinosa kernel oil~0.2–0.4%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

An emollient that helps soften the upper layer of the skin. Might have some weak anti-oxidant properties

More about Argania spinosa kernel oil
Butylene glycol~0.2–0.35%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Hydrolyzed elastin~0.2–0.35%
Formula
Irritation risk
Low
More about Hydrolyzed elastin
Hydrolyzed collagen~0.2–0.4%
Key active
Irritation risk
Low
Works for
Moisturizing

A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin

More about Hydrolyzed collagen
Magnolia officinalis bark extract~0.2–0.35%
Formula
Irritation risk
Low
More about Magnolia officinalis bark extract
Alcohol~0.2–0.35%
Irritant · high
Irritation risk
High
Works for
Antibacterial

Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties

More about Alcohol
Hydrogenated polyisobutene~0.25–0.4%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to improve the product consistency and soften the upper layer of the skin

More about Hydrogenated polyisobutene
Sodium nitrate~0.2–0.35%
Formula
Irritation risk
Low
More about Sodium nitrate
Juniperus communis fruit extract~0.15–0.3%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

Berry extract that might have some anti-oxidant effect

More about Juniperus communis fruit extract
Eucalyptus globulus leaf extract~0.15–0.3%
Irritant · high
Irritation risk
High

Used as a fragrance. Can be irritating

More about Eucalyptus globulus leaf extract
Propanediol~0.2–0.4%
Formula
Irritation risk
Low

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

More about Propanediol
Sodium hyaluronate crosspolymer~0.2–0.35%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Attracts water into the upper layer of the skin

More about Sodium hyaluronate crosspolymer
Fructan~0.2–0.35%
Formula
Irritation risk
Low
More about Fructan
Hydrolyzed glycosaminoglycans~0.2–0.35%
Key active
Irritation risk
Low
Works for
Moisturizing

Long sugars that help attract water to the upper layer of the skin

More about Hydrolyzed glycosaminoglycans
Polysorbate 80~0.2–0.4%
Formula
Irritation risk
Low
Works for
Cleansing

Helps water and oil mix together

More about Polysorbate 80
Sodium hyaluronate~0.2–0.35%
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
Polysorbate 60~0.2–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 60
Disodium phosphate~0.2–0.35%
Formula
Irritation risk
Low

Helps adjust the product pH and stabilize the formulation

More about Disodium phosphate
Benzyl glycol~0.2–0.35%
Irritant · medium
Irritation risk
Medium

Helps dissolve other ingredients and preserve products

More about Benzyl glycol
Astaxanthin~0.2–0.35%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-inflammatoryAnti-aging

Helps neutralize free radicals in skin and might help to calm down inflammation

More about Astaxanthin
Sodium phosphate~0.2–0.35%
Formula
Irritation risk
Low

Helps stabilize the product formulation

More about Sodium phosphate
Hydrolyzed hyaluronic acid~0.2–0.35%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin

More about Hydrolyzed hyaluronic acid
Caprylyl glycol~0.2–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Anemarrhena asphodeloides root extract~0.2–0.35%
Formula
Irritation risk
Low
Works for
Anti-oxidation

A plant extract that might have some anti-oxidant properties

More about Anemarrhena asphodeloides root extract
Acetyl octapeptide-3~0.2–0.35%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Acetyl octapeptide-3
Hyaluronic acid~0.2–0.35%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryAnti-aging

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation

More about Hyaluronic acid
Palmitoyl tetrapeptide-7~0.2–0.4%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tetrapeptide-7
Raspberry ketone~0.15–0.25%
Irritant · high
Irritation risk
High

Used as a fragrance. It can reduce skin pigmentation, but it is not safe to use for these purposes in high concentrations as use of raspberry ketone and its derivative is linked to causing loss of skin pigmentation in people (leukoderma)

More about Raspberry ketone
Tocopherol~0.2–0.35%
Under-dosed
Irritation risk
Low
Works for
Anti-oxidationMoisturizingAnti-inflammatoryAnti-aging

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Tripeptide-1~0.2–0.4%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Tripeptide-1
Palmitoyl tripeptide-1~0.25–0.4%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tripeptide-1
Palmitoyl pentapeptide-4~0.15–0.3%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl pentapeptide-4
Copper tripeptide-1~0.15–0.3%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A naturally occurring peptide. One of the most studied peptides in dermatology. It is sometimes abbreviated GHK-Cu. Belongs to the class of carrier peptides. It stimulates both synthesis and breakdown of collagen in skin. It is released in skin wounds and inflammation to support healing. It accelerates wound-healing of the skin and can stimulate hair growth. There are preliminary studies that confirm that copper tripeptide can help support collagen production reducing fine lines and wrinkles and decrease inflammation in skin.

More about Copper tripeptide-1
Acetyl hexapeptide-8~0.15–0.25%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Acetyl hexapeptide-8
Hexapeptide-9~0.15–0.3%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Hexapeptide-9
Nonapeptide-1~0.15–0.25%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Nonapeptide-1
Parfum~0.1–0.15%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Phenoxyethanol~0.15–0.25%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Ingredient list view

Water, Methylpropanediol, Glycerin, Cyclopentasiloxane, 1,2-hexanediol, Betaine, Cyclohexasiloxane, Cetyl ethylhexanoate, Caprylic/capric triglyceride, Canola oil, Cetearyl olivate, Sorbitan olivate, Glyceryl stearate, Trehalose, Vitis vinifera seed oil, Peg-100 stearate, Prunus armeniaca kernel oil, Carbomer, Arginine, Macadamia integrifolia seed oil, Hydroxyethylcellulose, Ethylhexylglycerin, Adenosine, Allantoin, Disodium edta, Argania spinosa kernel oil, Butylene glycol, Hydrolyzed elastin, Hydrolyzed collagen, Magnolia officinalis bark extract, Alcohol, Hydrogenated polyisobutene, Sodium nitrate, Juniperus communis fruit extract, Eucalyptus globulus leaf extract, Propanediol, Sodium hyaluronate crosspolymer, Fructan, Hydrolyzed glycosaminoglycans, Polysorbate 80, Sodium hyaluronate, Polysorbate 60, Disodium phosphate, Benzyl glycol, Astaxanthin, Sodium phosphate, Hydrolyzed hyaluronic acid, Caprylyl glycol, Anemarrhena asphodeloides root extract, Acetyl octapeptide-3, Hyaluronic acid, Palmitoyl tetrapeptide-7, Raspberry ketone, Tocopherol, Tripeptide-1, Palmitoyl tripeptide-1, Palmitoyl pentapeptide-4, Copper tripeptide-1, Acetyl hexapeptide-8, Hexapeptide-9, Nonapeptide-1, Parfum, Phenoxyethanol

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Amazon USPrice as of 11/5 15:26 GMT
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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
MEDI-PEELPeptide 9 Essence EmulsionYOUR PRODUCTSWANICOCOPeptine Biome For Men All In One EssenceSUNGBOON EDITORDeep Collagen Barrier Serum MistBIOHEAL BOHPROBIODERM 3D Lifting Cream Face Mist
Match—56%54%52%
Price$17.48$22.17+$4.69$16.49−$0.99$21.00+$3.52
Shared key ingredients—14 of 2818 of 2813 of 28
Key difference—Acetyl Dipeptide-1 Cetyl EsterNiacinamideAcetyl Hexapeptide-1
Irritancy High Medium Medium Medium
Drying alcohol Contains drying alcohol ———
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Product summary

"MEDI-PEEL - Peptide 9 Essence Emulsion" has a good moisturizing formula. As we expect from a proper moisturizer, the formula includes a combo of effective humectants and emollients. These are the two different types of ingredients that are essential for improving the skin hydration and supporting a healthy skin barrier. Acetyl hexapeptide-8, acetyl octapeptide-3, hexapeptide-9, arginine and betaine in this product (humectants) attract water molecules to the upper layer of the skin (the water comes from the outside air or from the deeper layers of the skin if the air is dry). Palmitoyl tetrapeptide-7, palmitoyl tripeptide-1, tripeptide-1, hydrolyzed collagen and vitis vinifera seed oil in this product help decrease the water evoporation from the skin, so that it stays hydrated for longer. These ingredients also soften the skin and take away the feeling of tightness and dryness.

Ingredient callouts

  • This moisturizer also contains Peptides (nonapeptide-1 0.15% - 0.30%, hexapeptide-9 0.15% - 0.30%, acetyl hexapeptide-8 0.20% - 0.35%, copper tripeptide-1 0.15% - 0.30%, palmitoyl pentapeptide-4 0.20% - 0.35%, palmitoyl tripeptide-1 0.25% - 0.45%, tripeptide-1 0.20% - 0.40%, palmitoyl tetrapeptide-7 0.25% - 0.45% and acetyl octapeptide-3 0.20% - 0.35%). Peptides are a very big group of ingredients. They all consist of a different combination of aminoacids. Our skin produces Peptides naturally. Some of them work as natural antibiotics, promote wound-healing and production of collagen. The scientists are still studying how effective the topical application of Peptides is, but it is very likely that they are helpful. Peptides might be able to support skin barrier restoration and even have an anti-aging benefit. At the very least, they certainly help attract water to the skin and support the hydration in this way.
  • Adenosine 0.15% - 0.30%. 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).
This product contains ingredients that could be beneficial, but their concentrations are too low in this formulation: vitamin e, agran oil, allantoin and apricot kernel oil

Irritation risk

We assess the overall irritancy of this moisturizer to be high. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Price

The product retails for 39.90CA$ in Canada and for 44.70$ in the United States.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 22 studies and safety reviews.

  1. 1
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  2. 2
    The influence of alkane chain length on the skin irritation potential of 1,2-alkanediolsncbi.nlm.nih.gov
  3. 3
    Canola Oilsciencedirect.com
  4. 4
    Fatty acids profile of oil from nine varieties of Macadamia nuttandfonline.com
  5. 5
    Evaluation of anti-wrinkle efficacy of adenosine-containing products using the FOITS techniquencbi.nlm.nih.gov
  6. 6
    Profile of wound healing process induced by allantoinscielo.br
MEDI-PEEL Peptide 9 Essence Emulsion
MEDI-PEELPeptide 9 Essence Emulsion
Buy on Amazon$17.48 · as of 11/5 15:26 GMT

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

Buy on Amazon$17.48 · as of 11/5 15:26 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.