Medik8 Advanced Day Ultimate Protect

Medik8 Advanced Day Ultimate Protect

Efficacy75/100IrritancyHigh
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Works for

1 of 1 advertised claim delivered

Moisturizing
14 ingredients credited for this claim
Good support
What the product description says
“Medik8's most complete daytime formula: a moisturiser, sunscreen and environmental shield in a single step.”
Source: Lookfantastic Australia

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: carnosine, 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: dimethicone, squalane.

Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.2–0.4%
CarnosineKey active· HumectantEffect: HighA type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage~0.25–0.45%
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~0.75–1.15%
EctoinKey activeEffect: HighSoftens the upper layer of the skin and can support skin barrier function~0.25–0.45%
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~1.7–2.1%
SqualaneKey active· Emollient, OcclusiveEffect: HighAn oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.~0.35–0.65%
IsododecaneKey active· Emollient, OcclusiveEffect: MediumAn emollient that helps soften the skin and can decrease moisture loss. Helps create a nice product texture~0.6–0.9%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~0.5–0.75%
Neopentyl glycol diheptanoate· EmollientEffect: LowHelps soften the upper layer of the skin and create a nice product consistency~1–1.2%
Polysilicone-11Effect: LowA silicone that forms a light film on the skin surface helping to bind water and temporarily absorb oils creating a matt and powdery feel~0.3–0.55%
Isodecyl neopentanoate· Emollient, OcclusiveEffect: LowAn emollient that helps soften the skin. It also forms a protective on its surface to reduce water loss.~1.5–1.9%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.55–0.8%
Dibutyl adipate· EmollientEffect: LowHelps soften the upper layer of the skin and create a nice product consistency~2–2.5%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.25–0.4%
Anti-oxidation
Not advertised by the brand · 2 ingredients credited for this claim
Strong support

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

CarnosineKey activeEffect: HighA type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage~0.25–0.45%
Pelargonium graveolens flower oilEffect: LowAn essential oil. Can be irritating. Can become an allergen with oxidation~0.15–0.3%
Anti-aging
Not advertised by the brand · 1 ingredient credited for this claim
Moderate support

This product contains carnosine. 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.

CarnosineKey activeEffect: MediumA type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage~0.25–0.45%

Can it cause trouble?

Irritancy
9 strong irritants: Limonene, Citrus grandis peel oil + 7 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
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.2–0.4%est.
Citrus grandis peel oilA plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skinHigh~0.2–0.4%est.
Citrus limon peel oilA highly irritating fragranceHigh~0.15–0.3%est.
Pelargonium graveolens flower oilAn essential oil. Can be irritating. Can become an allergen with oxidationHigh~0.15–0.3%est.
CitronellolA fragrance. Can be irritatingHigh~0.15–0.25%est.
LinaloolA fragrance. Can be irritatingHigh~0.15–0.25%est.
GeraniolA fragrance. Can be irritatingHigh~0.1–0.15%est.
CitralA fragrance with a lemon scent. A likely irritantHigh~0.1–0.15%est.
HomosalateA weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulationMedium~5.5–6.8%est.
OctocryleneA weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreenMedium~4.6–5.6%est.
Butyloctyl salicylateA synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its ownMedium~3.1–3.8%est.
Butyl methoxydibenzoylmethaneAvobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.Medium~1.7–2.1%est.
Potassium cetyl phosphateHelps oil and water mix togetherMedium~0.45–0.7%est.
HydroxyacetophenoneUsed to increase effectiveness of preservativesMedium~0.25–0.5%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~0.3–0.5%est.
Disodium edtaStabilizes the product formulationMedium~0.25–0.45%est.
Benzoic acidA preservativeMedium~0.25–0.5%est.
Dehydroacetic acidA preservativeMedium~0.25–0.45%est.
EthylhexylglycerinA preservativeMedium~0.2–0.4%est.
Comedogenic
2 ingredients rated 2 or more on the 0–5 pore-clogging scale
2 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
Spirulina maxima extract—3/5~0.25–0.45%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~0.5–0.75%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
Homosalate~5.5–6.8%
Irritant · medium
Irritation risk
Medium
Works for
Sun protection

A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation

More about Homosalate
Octocrylene~4.6–5.6%
Irritant · medium
Irritation risk
Medium
Works for
Sun protection

A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen

More about Octocrylene
Butyloctyl salicylate~3.1–3.8%
Irritant · medium
Irritation risk
Medium
Works for
Sun protection

A synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own

More about Butyloctyl salicylate
Ethylhexyl salicylate~3.2–3.9%
Formula
Irritation risk
Low
Works for
Sun protection

Octisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen

More about Ethylhexyl salicylate
Dibutyl adipate~2–2.5%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product consistency

More about Dibutyl adipate
Glycerin~1.7–2.1%
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
Isodecyl neopentanoate~1.5–1.9%
Formula
Irritation risk
Low
Works for
Moisturizing

An emollient that helps soften the skin. It also forms a protective on its surface to reduce water loss.

More about Isodecyl neopentanoate
Butyl methoxydibenzoylmethane~1.7–2.1%
Irritant · medium
Irritation risk
Medium
Works for
Sun protection

Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.

More about Butyl methoxydibenzoylmethane
Neopentyl glycol diheptanoate~1–1.2%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product consistency

More about Neopentyl glycol diheptanoate
Dimethicone~0.75–1.15%
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
Isododecane~0.6–0.9%
Key active
Irritation risk
Low
Works for
Moisturizing

An emollient that helps soften the skin and can decrease moisture loss. Helps create a nice product texture

More about Isododecane
Glycereth-26~0.5–0.8%
Formula
Irritation risk
Low

Helps create a thicker product consistency

More about Glycereth-26
Glyceryl stearate~0.55–0.8%
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
Peg-100 stearate~0.55–0.8%
Formula
Irritation risk
Low
Works for
Cleansing

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

More about Peg-100 stearate
Cetearyl alcohol~0.5–0.75%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Potassium cetyl phosphate~0.45–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Potassium cetyl phosphate
Ppg-12/smdi copolymer~0.45–0.65%
Formula
Irritation risk
Low

Used to create a nice product finish

More about Ppg-12/smdi copolymer
Silica~0.5–0.75%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Squalane~0.35–0.65%
Key active
Irritation risk
Low
Works for
Moisturizing

An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.

More about Squalane
Propylene glycol dibenzoate~0.25–0.5%
Formula
Phenoxyethanol~0.3–0.55%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Polysilicone-11~0.3–0.55%
Formula
Irritation risk
Low
Works for
MattifyingMoisturizing

A silicone that forms a light film on the skin surface helping to bind water and temporarily absorb oils creating a matt and powdery feel

More about Polysilicone-11
Ectoin~0.25–0.45%
Key active
Irritation risk
Low
Works for
Moisturizing

Softens the upper layer of the skin and can support skin barrier function

More about Ectoin
Hydroxyacetophenone~0.25–0.5%
Irritant · medium
Irritation risk
Medium

Used to increase effectiveness of preservatives

More about Hydroxyacetophenone
Inulin lauryl carbamate~0.25–0.5%
Formula
Irritation risk
Low
Works for
Cleansing
More about Inulin lauryl carbamate
Marrubium vulgare extract~0.2–0.4%
Formula
Acrylates/c10-30 alkyl acrylate crosspolymer~0.3–0.5%
Irritant · medium
Irritation risk
Medium

Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together

More about Acrylates/c10-30 alkyl acrylate crosspolymer
Disodium edta~0.25–0.45%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Benzoic acid~0.25–0.5%
Irritant · medium
Irritation risk
Medium

A preservative

More about Benzoic acid
Sodium hydroxide~0.25–0.45%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Spirulina maxima extract~0.25–0.45%
Comedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
More about Spirulina maxima extract
Dehydroacetic acid~0.25–0.45%
Irritant · medium
Irritation risk
Medium

A preservative

More about Dehydroacetic acid
Carnosine~0.25–0.45%
Key active
Irritation risk
Low
Works for
Anti-oxidationMoisturizingAnti-aging

A type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage

More about Carnosine
Limonene~0.2–0.4%
Irritant · high
Irritation risk
High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene
Citrus grandis peel oil~0.2–0.4%
Irritant · high
Irritation risk
High

A plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skin

More about Citrus grandis peel oil
Ethylhexylglycerin~0.2–0.4%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Sodium hyaluronate~0.2–0.4%
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
Citrus aurantium bergamia peel oil~0.2–0.4%
Irritant · high
Citrus limon peel oil~0.15–0.3%
Irritant · high
Irritation risk
High

A highly irritating fragrance

More about Citrus limon peel oil
Lecithin~0.25–0.4%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Used mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin

More about Lecithin
Pelargonium graveolens flower oil~0.15–0.3%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

An essential oil. Can be irritating. Can become an allergen with oxidation

More about Pelargonium graveolens flower oil
Citronellol~0.15–0.25%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Citronellol
Linalool~0.15–0.25%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Geraniol~0.1–0.15%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Geraniol
Citral~0.1–0.15%
Irritant · high
Irritation risk
High

A fragrance with a lemon scent. A likely irritant

More about Citral
Ingredient list view

Water, Homosalate, Octocrylene, Butyloctyl salicylate, Ethylhexyl salicylate, Dibutyl adipate, Glycerin, Isodecyl neopentanoate, Butyl methoxydibenzoylmethane, Neopentyl glycol diheptanoate, Dimethicone, Isododecane, Glycereth-26, Glyceryl stearate, Peg-100 stearate, Cetearyl alcohol, Potassium cetyl phosphate, Ppg-12/smdi copolymer, Silica, Squalane, Propylene glycol dibenzoate, Phenoxyethanol, Polysilicone-11, Ectoin, Hydroxyacetophenone, Inulin lauryl carbamate, Marrubium vulgare extract, Acrylates/c10-30 alkyl acrylate crosspolymer, Disodium edta, Benzoic acid, Sodium hydroxide, Spirulina maxima extract, Dehydroacetic acid, Carnosine, Limonene, Citrus grandis peel oil, Ethylhexylglycerin, Sodium hyaluronate, Citrus aurantium bergamia peel oil, Citrus limon peel oil, Lecithin, Pelargonium graveolens flower oil, Citronellol, Linalool, Geraniol, Citral

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Lookfantastic Australia
≈ $74.88
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Amazon UKPrice as of 10/20/2026 18:56 GMT
≈ $78.75
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 12 studies and safety reviews.

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Medik8 Advanced Day Ultimate Protect
Medik8Advanced Day Ultimate Protect

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

As an Amazon Associate, WIMJ earns from qualifying purchases.