Medik8 Illuminating Eye Balm

Medik8 Illuminating Eye Balm

Efficacy37/100IrritancyMedium
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Works for

1 of 2 advertised claims delivered

Moisturizing
Bacillus ferment, Caprylic/capric triglyceride + 14 more
Good evidence
What the product description says
“A multitasking balm with subtle, light-diffusing pigments to disguise the dreaded darkness and revitalise your eyes, the silky texture glides across your fragile skin to nourish and replenish precious moisture.”
Source: Cultbeauty

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: caprylic/capric triglyceride, dimethicone.

Bacillus fermentKey activeEffect: HighA product of bacterial fermentation. Can help attract water to the upper layer of the skin~0.3–0.55%
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~5.1–6.2%
DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~1.8–2.2%
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~2.3–2.8%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.25–0.4%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~0.6–0.95%
C12-15 alkyl benzoateKey active· EmollientEffect: MediumEnhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth~3.5–4.3%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.6–0.9%
Cucumis sativus fruit water· HumectantEffect: Low~0.35–0.6%
Glyceryl stearate citrate· EmollientEffect: LowHelps oil and water mix together while softening the upper layer of the skin~1.4–1.7%
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~2.6–3.2%
C13-14 isoparaffin· EmollientEffect: LowHelps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency~0.65–0.95%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.6–0.9%
Lactic acidUnder-dosedEffect: HighAn 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)~0.2–0.4%
Stearic acidEffect: Low, below effective doseHelps oil and water mix together and works as an emollient~0.6–0.9%
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~0.25–0.5%
Anti-aging
Tocopherol, Lactic acid
Weak evidence
What the product description says
“With line-smoothing multi-weight hyaluronic acid alongside red algae extract to counteract puffiness, this Illuminating Eye Balm is a godsend on the morning’s when the ‘ding’ of your alarm feels far too early.”
Source: Cultbeauty

Effective ingredients missing or their concentration is too low.

Lactic acidUnder-dosedEffect: MediumAn 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)~0.2–0.4%
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~0.25–0.5%

Can it cause trouble?

Irritancy
1 strong irritant: Sorbitan sesquioleate
Medium risk
We flagged 14 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Sorbitan sesquioleateUsed to help oil and water mix together. Can be irritatingHigh~0.7–1.05%est.
PhenylpropanolHelps mask the smell of other ingredients and helps preserve the product formulationHigh~0.3–0.55%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~5.1–6.2%est.
MethylpropanediolHelps dissolve other ingredients in a formulationMedium~2–2.4%est.
PolyacrylamideUsed to improve product texture and help oil and water mix togetherMedium~1–1.2%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.6–0.9%est.
Peg-75 stearateHelps water and oil mix togetherMedium~0.45–0.7%est.
Laureth-7Helps oil and water mix togetherMedium~0.45–0.65%est.
Cucumis sativus fruit water—Medium~0.35–0.6%est.
Ceteth-20Helps water and oil mix togetherMedium~0.5–0.75%est.
Steareth-20Helps oil and water mix togetherMedium~0.5–0.7%est.
CaffeineMight be helpful in neutralizing free radicals. Can have a dehydration effect that might somewhat decrease the look of puffy eyesMedium~0.3–0.6%est.
Polyhydroxystearic acidUsed to create a thicker product consistency and stabilize the formulationMedium~0.35–0.65%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~0.2–0.4%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
Hydrolyzed rhodophyceae extract—3/5~0.3–0.55%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
Titanium dioxide~9.2–11.3%
Formula
Irritation risk
Low
Works for
Sun protection

Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin

More about Titanium dioxide
Caprylic/capric triglyceride~5.1–6.2%
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
C12-15 alkyl benzoate~3.5–4.3%
Key active
Irritation risk
Low
Works for
Moisturizing

Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth

More about C12-15 alkyl benzoate
Butylene glycol~2.6–3.2%
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
Glycerin~2.3–2.8%
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
Methylpropanediol~2–2.4%
Irritant · medium
Irritation risk
Medium

Helps dissolve other ingredients in a formulation

More about Methylpropanediol
Dimethicone~1.8–2.2%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
Glyceryl stearate citrate~1.4–1.7%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together while softening the upper layer of the skin

More about Glyceryl stearate citrate
Mica~1.3–1.6%
Formula
Irritation risk
Low

Creates an illusion of smoother and more radiant skin tone. Adds shimmer to the skin by reflecting light

More about Mica
Polyacrylamide~1–1.2%
Irritant · medium
Irritation risk
Medium

Used to improve product texture and help oil and water mix together

More about Polyacrylamide
Sorbitan sesquioleate~0.7–1.05%
Irritant · high
Irritation risk
High
Works for
Cleansing

Used to help oil and water mix together. Can be irritating

More about Sorbitan sesquioleate
Polyglyceryl-3 stearate~0.65–1%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-3 stearate
C13-14 isoparaffin~0.65–0.95%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency

More about C13-14 isoparaffin
Caprylyl glycol~0.6–0.9%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Cetyl alcohol~0.6–0.95%
Key active
Irritation risk
Low
Works for
CleansingMoisturizing

A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together

More about Cetyl alcohol
Glyceryl stearate~0.6–0.9%
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
Hydrogenated lecithin~0.55–0.8%
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
Stearic acid~0.6–0.9%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Peg-75 stearate~0.45–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Peg-75 stearate
Silica~0.55–0.8%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Laureth-7~0.45–0.65%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Laureth-7
Cucumis sativus fruit water~0.35–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing
More about Cucumis sativus fruit water
Tin oxide~0.5–0.75%
Formula
Irritation risk
Low

A colorant that can add a pearl-like appearance to the formulation

More about Tin oxide
Ceteth-20~0.5–0.75%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Ceteth-20
Steareth-20~0.5–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Steareth-20
Phenylpropanol~0.3–0.55%
Irritant · high
Irritation risk
High

Helps mask the smell of other ingredients and helps preserve the product formulation

More about Phenylpropanol
Alumina~0.5–0.75%
Formula
Irritation risk
Low

The same compound that is used safely in dental implants and bone cements. In cosmetics, it is used to improve the consistency of products

More about Alumina
Caffeine~0.3–0.6%
Irritant · medium
Irritation risk
Medium
Works for
De-puffingAnti-oxidation

Might be helpful in neutralizing free radicals. Can have a dehydration effect that might somewhat decrease the look of puffy eyes

More about Caffeine
Polyhydroxystearic acid~0.35–0.65%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Polyhydroxystearic acid
Hydrolyzed rhodophyceae extract~0.3–0.55%
Comedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
More about Hydrolyzed rhodophyceae extract
Bacillus ferment~0.3–0.55%
Key active
Irritation risk
Low
Works for
Moisturizing

A product of bacterial fermentation. Can help attract water to the upper layer of the skin

More about Bacillus ferment
Tocopherol~0.25–0.5%
Formula
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
Sodium hyaluronate~0.25–0.4%
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
Lactic acid~0.2–0.4%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
ExfoliationEvens skin toneMoisturizingAnti-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
Sodium hydroxide~0.15–0.3%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Ci 77492~0.15–0.25%
Formula
Irritation risk
Low

A colorant. Usually well-tolerated

More about Ci 77492
Ci 77491~0.1–0.2%
Formula
Irritation risk
Low

A red colorant made of iron oxide. Typically is not irritating

More about Ci 77491
Ci 77499~0.1–0.2%
Formula
Irritation risk
Low

An iron oxide. Used as a colorant. Is usually well tolerated

More about Ci 77499
Ingredient list view

Water, Titanium dioxide, Caprylic/capric triglyceride, C12-15 alkyl benzoate, Butylene glycol, Glycerin, Methylpropanediol, Dimethicone, Glyceryl stearate citrate, Mica, Polyacrylamide, Sorbitan sesquioleate, Polyglyceryl-3 stearate, C13-14 isoparaffin, Caprylyl glycol, Cetyl alcohol, Glyceryl stearate, Hydrogenated lecithin, Stearic acid, Peg-75 stearate, Silica, Laureth-7, Cucumis sativus fruit water, Tin oxide, Ceteth-20, Steareth-20, Phenylpropanol, Alumina, Caffeine, Polyhydroxystearic acid, Hydrolyzed rhodophyceae extract, Bacillus ferment, Tocopherol, Sodium hyaluronate, Lactic acid, Sodium hydroxide, Ci 77492, Ci 77491, Ci 77499

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Medik8 Illuminating Eye Balm
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