Gatineau DefiLIFT 3D Firming Neck and Decollete Gel

Gatineau DefiLIFT 3D Firming Neck and Decollete Gel

Efficacy75/100IrritancyMedium
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Works for

2 of 2 advertised claims delivered

Moisturizing
12 ingredients credited for this claim
Good support
What the product description says
“Ultra pigmented for 24 hours of intense colour and hydration”
Source: Feelunique

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: glutamic acid, 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: helianthus annuus seed oil, ethyl linoleate.

Ethyl linoleateKey active· EmollientEffect: HighHelps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking~1.2–1.4%
Kappaphycus alvarezii extractKey activeEffect: HighA red algae extract that can help attract water to the upper layer of the skin and might have some antioxidant properties~0.55–0.85%
Saccharide isomerateKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin~0.45–0.65%
ThreonineKey activeEffect: HighAn amino-acid that helps to attract water to the upper layer of the skin. In combination with other amino-acids, might help to reduce fine lines and wrinkles~0.35–0.6%
Helianthus annuus seed oilKey active· Emollient, OcclusiveEffect: HighA great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function~4.6–5.6%
Glutamic acidKey active· HumectantEffect: HighAn amino-acid that helps attract water to the upper layer of the skin~0.65–0.95%
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~0.65–0.95%
GlycineKey active· HumectantEffect: HighHelps to attract water to the upper layer of the skin and can help restore the skin barrier function~0.6–0.85%
Ethyl oleate· EmollientEffect: LowEthyl oleate is a long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of oleic acid with the hydroxy group of ethanol. It derives from an oleic acid. In skincare, it is used to soften the upper layer of the skin, improve the product texture and smell~0.75–1.1%
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~3.2–3.9%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~1.6–2%
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~0.3–0.6%
Anti-aging
2 ingredients credited for this claim
Moderate support
What the product description says
“Achieve a sleeker, more youthful-looking neck and décolletage area with Gatineau’s Defi Lift 3DTM Firming Neck and Décolleté Gel ; a super-restorative gel formula that firms and tautens the delicate area by smoothing the appearance of wrinkles and lines.”
Source: Recreate Yourself

This product contains threonine. This ingredient 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.

ThreonineKey activeEffect: MediumAn amino-acid that helps to attract water to the upper layer of the skin. In combination with other amino-acids, might help to reduce fine lines and wrinkles~0.35–0.6%
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~0.3–0.6%
Anti-blemish
Not advertised by the brand · 1 ingredient credited for this claim
Good support

This product might be able to help reduce blemishes and clogged pores because it contains ethyl linoleate.

Ethyl linoleateKey activeEffect: HighHelps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking~1.2–1.4%

Can it cause trouble?

Irritancy
2 strong irritants: Menthol, Parfum
Medium risk
We flagged 15 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Menthol—High~0.5–0.75%est.
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~0.45–0.65%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.2–0.4%est.
Ci 15985A colorantHigh~0.1–0.2%est.
Acrylates/vinyl isodecanoate crosspolymerUsed to stabilize product formulation, help create an even product layer over skin (for example, in sunscreen), evenly disperse pigements and create a nice product consistencyMedium~2.1–2.5%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~1.6–2%est.
Ethyl linoleateHelps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lackingMedium~1.2–1.4%est.
Ethyl oleateEthyl oleate is a long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of oleic acid with the hydroxy group of ethanol. It derives from an oleic acid. In skincare, it is used to soften the upper layer of the skin, improve the product texture and smellMedium~0.75–1.1%est.
EthylhexylglycerinA preservativeMedium~0.65–1%est.
Laureth-4Helps water and oil mix togetherMedium~0.55–0.85%est.
Polyvinyl alcoholHelps improve the product textureMedium~0.5–0.75%est.
Sodium citrateHelps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve productsMedium~0.4–0.6%est.
Tocopheryl acetateA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.Medium~0.3–0.6%est.
ChlorphenesinA preservativeMedium~0.15–0.3%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.15–0.3%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
Laureth-4Helps water and oil mix together2/5~0.55–0.85%est.
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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
Tromethamine~9.1–11.1%
Formula
Irritation risk
Low

Helps adjust pH in products

More about Tromethamine
Helianthus annuus seed oil~4.6–5.6%
Key active
Irritation risk
Low
Works for
Moisturizing

A great emollient due to its high linoleic acid content. One of the most effective plant oils in helping skin hydration and repairing skin barrier function

More about Helianthus annuus seed oil
Butylene glycol~3.2–3.9%
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
Nylon-12~2.4–3%
Formula
Irritation risk
Low

Used to create a nice product consistency

More about Nylon-12
Acrylates/vinyl isodecanoate crosspolymer~2.1–2.5%
Irritant · medium
Irritation risk
Medium

Used to stabilize product formulation, help create an even product layer over skin (for example, in sunscreen), evenly disperse pigements and create a nice product consistency

More about Acrylates/vinyl isodecanoate crosspolymer
Caesalpinia spinosa fruit extract~1.7–2.1%
Formula
Caprylyl glycol~1.6–2%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Disodium succinate~1.4–1.7%
Formula
Irritation risk
Low
Works for
Cleansing
More about Disodium succinate
Ethyl linoleate~1.2–1.4%
Key activeIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-blemishAnti-inflammatoryEvens skin tone

Helps reduce acne and blemishes. Helps to soften the upper layer of the skin and reduce inflammation. Might be helpful in reducing hyperpigmentation and evening out the skin tone, but evidence of effectiveness in skin are lacking

More about Ethyl linoleate
Ethyl linolenate~1–1.2%
Formula
Ethyl oleate~0.75–1.1%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Ethyl oleate is a long-chain fatty acid ethyl ester resulting from the formal condensation of the carboxy group of oleic acid with the hydroxy group of ethanol. It derives from an oleic acid. In skincare, it is used to soften the upper layer of the skin, improve the product texture and smell

More about Ethyl oleate
Ethylhexylglycerin~0.65–1%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Glutamic acid~0.65–0.95%
Key active
Irritation risk
Low
Works for
Moisturizing

An amino-acid that helps attract water to the upper layer of the skin

More about Glutamic acid
Glycerin~0.65–0.95%
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
Glycine~0.6–0.85%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to attract water to the upper layer of the skin and can help restore the skin barrier function

More about Glycine
Kappaphycus alvarezii extract~0.55–0.85%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidation

A red algae extract that can help attract water to the upper layer of the skin and might have some antioxidant properties

More about Kappaphycus alvarezii extract
Laureth-4~0.55–0.85%
Comedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Cleansing

Helps water and oil mix together

More about Laureth-4
Menthol~0.5–0.75%
Irritant · high
Irritation risk
High
More about Menthol
Polyvinyl alcohol~0.5–0.75%
Irritant · medium
Irritation risk
Medium

Helps improve the product texture

More about Polyvinyl alcohol
Propylene glycol~0.45–0.65%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol
Saccharide isomerate~0.45–0.65%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin

More about Saccharide isomerate
Saccharomyces lysate~0.4–0.6%
Formula
Sodium citrate~0.4–0.6%
Irritant · medium
Irritation risk
Medium

Helps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve products

More about Sodium citrate
Sodium polystyrene sulfonate~0.4–0.6%
Formula
Irritation risk
Low
Works for
Cleansing
More about Sodium polystyrene sulfonate
Sorghum bicolor stalk juice~0.35–0.65%
Formula
Threonine~0.35–0.6%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-aging

An amino-acid that helps to attract water to the upper layer of the skin. In combination with other amino-acids, might help to reduce fine lines and wrinkles

More about Threonine
Tocopherol~0.3–0.6%
Formula
Irritation risk
Low
Works for
Anti-oxidationAnti-inflammatoryAnti-agingMoisturizing

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
Tocopheryl acetate~0.3–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.

More about Tocopheryl acetate
Valine~0.3–0.55%
Formula
Irritation risk
Low
More about Valine
Parfum~0.2–0.4%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Chlorphenesin~0.15–0.3%
Irritant · medium
Irritation risk
Medium

A preservative

More about Chlorphenesin
Citric acid~0.15–0.3%
Irritant · medium
Irritation risk
Medium

Can work as an exfoliant but is typically used to adjust the product pH

More about Citric acid
Methylparaben~0.15–0.25%
Formula
Irritation risk
Low

A preservative

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

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Ci 15985~0.1–0.2%
Irritant · high
Irritation risk
High

A colorant

More about Ci 15985
Ingredient list view

Water, Tromethamine, Helianthus annuus seed oil, Butylene glycol, Nylon-12, Acrylates/vinyl isodecanoate crosspolymer, Caesalpinia spinosa fruit extract, Caprylyl glycol, Disodium succinate, Ethyl linoleate, Ethyl linolenate, Ethyl oleate, Ethylhexylglycerin, Glutamic acid, Glycerin, Glycine, Kappaphycus alvarezii extract, Laureth-4, Menthol, Polyvinyl alcohol, Propylene glycol, Saccharide isomerate, Saccharomyces lysate, Sodium citrate, Sodium polystyrene sulfonate, Sorghum bicolor stalk juice, Threonine, Tocopherol, Tocopheryl acetate, Valine, Parfum, Chlorphenesin, Citric acid, Methylparaben, Phenoxyethanol, Ci 15985

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Amazon UKPrice as of 10/10/2026 18:42 GMT
≈ $104.65
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 18 studies and safety reviews.

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Gatineau DefiLIFT 3D Firming Neck and Decollete Gel
GatineauDefiLIFT 3D Firming Neck and Decollete Gel

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

As an Amazon Associate, WIMJ earns from qualifying purchases.