111SKIN Black Diamond Contour Gel

111SKIN Black Diamond Contour Gel

Efficacy87/100IrritancyMedium

Works for

Moisturizing
Acetyl hexapeptide-8, Palmitoyl tripeptide-1 + 11 more
Works well
What the product description says
“The formula also boosts hydration and plumping, while improving the look of visible discolouration and dark circles.”
Source: 111skin

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: glycerin, sodium hyaluronate.

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: isopropyl myristate, vitis vinifera seed oil.

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

Acetyl hexapeptide-8Hero· HumectantEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~1.2–1.9%
Palmitoyl tripeptide-1Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~1.1–1.6%
Palmitoyl tetrapeptide-7Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.85–1.3%
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~3.9–5.8%
Isopropyl myristateKey active· EmollientEffect: HighAn emollient that helps soften the skin. Could be comedogenic~2.1–3.1%
Vitis vinifera seed oilKey active· EmollientEffect: HighA great emollient that can also have anti-oxidant properties~1.7–2.6%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~1.4–2.1%
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.~0.3–0.75%
Sodium lactateKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin. Is often used to adjust the pH level of the product~0.1–0.45%
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~3.5–5.3%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.3–0.7%
Aloe barbadensis leaf extractEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~0.4–0.9%
Lactic acidUnder-dosedAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)~0.05–0.25%
Anti-aging
Acetyl hexapeptide-8, Palmitoyl tripeptide-1 + 3 more
May help
What the product description says
“Inspired by the effects of in-clinic treatments, this peptide-packed treatment gel is powered by a concentrated blend of anti-ageing ingredients to target signs of ageing instantly.”
Source: 111skin

This product contains acetyl hexapeptide-8, centella asiatica extract, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1. These ingredients might be able to help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness, but there is not enough evidence that it actually works.

Acetyl hexapeptide-8Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~1.2–1.9%
Palmitoyl tripeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~1.1–1.6%
Palmitoyl tetrapeptide-7Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.85–1.3%
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.~0.3–0.75%
Lactic acidUnder-dosedAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)~0.05–0.25%
Anti-oxidation
Side benefit · Centella asiatica extract, Vitis vinifera seed oil + 1 more
May help

This product contains antioxidants (centella asiatica 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.

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.~0.3–0.75%
Vitis vinifera seed oilEffect: LowA great emollient that can also have anti-oxidant properties~1.7–2.6%
Helichrysum stoechas extractEffect: Low, below effective doseA plant extract that might have some anti-oxidant properties. Contains an essential oil that can irritate the skin~0.4–0.95%

Can it cause trouble?

Irritancy
2 strong irritants: Helichrysum stoechas extract, Parfum
Medium risk
We flagged 13 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Helichrysum stoechas extractA plant extract that might have some anti-oxidant properties. Contains an essential oil that can irritate the skinHigh~0.4–0.95%est.
Coco-glucosideUsed as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritatingHigh~0.15–0.6%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.1%est.
Peg-40 hydrogenated castor oilHelps oil and water mix togetherMedium~2.4–3.7%est.
Vitis vinifera seed oilA great emollient that can also have anti-oxidant propertiesMedium~1.7–2.6%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~0.3–0.75%est.
Aloe barbadensis leaf extractTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~0.4–0.9%est.
HydroxyacetophenoneUsed to increase effectiveness of preservativesMedium~0.3–0.7%est.
1,2-hexanediolA preservativeMedium~0.3–0.7%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.3–0.7%est.
Sodium lactateHelps attract water to the upper layer of the skin. Is often used to adjust the pH level of the productMedium~0.1–0.45%est.
Lactic acidAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)Medium~0.05–0.25%est.
Potassium sorbateA preservativeMedium~0.05–0.25%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
Isopropyl myristateAn emollient that helps soften the skin. Could be comedogenic3/5~2.1–3.1%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Glycerin~3.9–5.8%
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
Butylene glycol~3.5–5.3%
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
Peg-40 hydrogenated castor oil~2.4–3.7%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Peg-40 hydrogenated castor oil
Isopropyl myristate~2.1–3.1%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
Moisturizing

An emollient that helps soften the skin. Could be comedogenic

More about Isopropyl myristate
Vitis vinifera seed oil~1.7–2.6%
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
Sodium hyaluronate~1.4–2.1%
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
Acetyl hexapeptide-8~1.2–1.9%
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
Palmitoyl tripeptide-1~1.1–1.6%
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 tetrapeptide-7~0.85–1.3%
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 tetrapeptide-7
Diamond powder~0.8–1.2%
Formula
Irritation risk
Low

Does not have known skin benefits. Might help create an optical illusion of smoother skin

More about Diamond powder
Helichrysum stoechas extract~0.4–0.95%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A plant extract that might have some anti-oxidant properties. Contains an essential oil that can irritate the skin

More about Helichrysum stoechas extract
Centella asiatica extract~0.3–0.75%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-inflammatoryReduces rednessReduces 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
Aloe barbadensis leaf extract~0.4–0.9%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis leaf extract
Hydroxyacetophenone~0.3–0.7%
Irritant · medium
Irritation risk
Medium

Used to increase effectiveness of preservatives

More about Hydroxyacetophenone
1,2-hexanediol~0.3–0.7%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Caprylyl glycol~0.3–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Polyacrylate crosspolymer-6~0.15–0.6%
Formula
Sodium hydroxide~0.15–0.5%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Carbomer~0.1–0.5%
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
Sodium lactate~0.1–0.45%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps attract water to the upper layer of the skin. Is often used to adjust the pH level of the product

More about Sodium lactate
Coco-glucoside~0.15–0.6%
Irritant · high
Irritation risk
High
Works for
Cleansing

Used as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritating

More about Coco-glucoside
Sodium benzoate~0.05–0.25%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Xanthan gum~0.05–0.3%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Lactic acid~0.05–0.25%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Evens skin toneMoisturizingExfoliationAnti-aging

An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)

More about Lactic acid
Potassium sorbate~0.05–0.25%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Parfum~0.05–0.1%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Ingredient list view

Water, Glycerin, Butylene glycol, Peg-40 hydrogenated castor oil, Isopropyl myristate, Vitis vinifera seed oil, Sodium hyaluronate, Acetyl hexapeptide-8, Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7, Diamond powder, Helichrysum stoechas extract, Centella asiatica extract, Aloe barbadensis leaf extract, Hydroxyacetophenone, 1,2-hexanediol, Caprylyl glycol, Polyacrylate crosspolymer-6, Sodium hydroxide, Carbomer, Sodium lactate, Coco-glucoside, Sodium benzoate, Xanthan gum, Lactic acid, Potassium sorbate, Parfum

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111skin
$165.00
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Amazon USPrice as of 11/10 09:00 GMT
$165.00
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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
111SKINBlack Diamond Contour GelYOUR PRODUCTNIDASalmon PDRN Peptide SerumM-61Hydraboost Eye SerumDerm InstituteYouth Alchemy Eye Serum
Match—60%59%54%
Price$165.00$13.32−$151.68$84.00−$81.00$290.00+$125.00
Shared key ingredients—6 of 96 of 95 of 9
Key difference—Copper Tripeptide-1PanthenolRetinol
Irritancy Medium Low Low Medium
Drying alcohol————
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 17 studies and safety reviews.

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