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Decree Day Shield SPF 30
Decree

Decree Day Shield SPF 30

SPF 30Efficacy90/100IrritancyMedium·3 UV filters
See all ingredients

Works for

Sun protection
SPF 30 · 3 UV filters
Broad spectrum
SPF 30Broad spectrumMineral + chemical filters

This product offers a good level of protection against both UVB and UVA rays.

This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Butyloctyl Salicylate
Titanium Dioxide
Zinc Oxide
FilterCoverageWhat it doesEst. amount
Butyloctyl SalicylateUVBA 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~4.6–5.6%
Titanium Dioxide Mineral UVBUVA2 Photo-stable 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~29–36%
Zinc Oxide Mineral UVBUVA Photo-stable A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant~11–13%
~ marks concentrations estimated from label position and typical use levels
Reef-safe
No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.
Moisturizing
Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7 + 16 more
Works well
What the product description says
“Supported by rose water for a hydrating boost, the facial spray seeks to defend and refresh the skin with each spritz.”
Source: Lookfantastic

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 lactate.

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.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: palmitoyl tetrapeptide-7, palmitoyl 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~0.8–1.15%
Palmitoyl tetrapeptide-7Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.75–1.15%
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%
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~3.3–4%
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~2.4–2.9%
Polyglyceryl-10 oleateKey activeEffect: MediumHelps soften the upper layer of the skin~1.3–1.6%
Coco-caprylate/caprateKey active· EmollientEffect: MediumHelps to soften the upper layer of the skin without creating a greasy texture~1.2–1.4%
Simmondsia chinensis seed oilKey active· Emollient, OcclusiveEffect: HighSoftens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.~1.1–1.3%
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.~1–1.2%
Carthamus tinctorius oleosomesKey active· EmollientEffect: MediumHelps soften the upper layer of the skin~0.7–1%
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~0.45–0.65%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~0.35–0.6%
Rosa damascena flower water· HumectantEffect: LowUsed to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritating~1.6–2%
Camellia sinensis leaf extractEffect: LowCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.8–1.2%
Glyceryl caprylate· EmollientEffect: LowAn emollient that can also help water and oil mix together, as well as prevent bacteria growth in products~0.7–1.05%
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~0.6–0.9%
Stearic acidEffect: Low, below effective doseHelps oil and water mix together and works as an emollient~0.65–0.95%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.35–0.65%
Anti-aging
Side benefit the brand mentions · Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7 + 2 more
Works well
What the product description says
“UV filter, titanium dioxide is blended with sunscreen zinc oxide to ensure your complexion is shielded, whilst the addition of collagen-protective peptides and antioxidants keeps your skin firm and supple.”
Source: The decree

This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.

These ingredients in the product might also be helpful for reducing and preventing fine lines, wrinkles, and skin elasticity, even though there is no conclusive evidence for their effectiveness: palmitoyl tetrapeptide-7, palmitoyl tripeptide-1.

Palmitoyl tripeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.8–1.15%
Palmitoyl tetrapeptide-7Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.75–1.15%
Camellia sinensis leaf extractEffect: LowCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.8–1.2%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.35–0.65%
Evens skin tone
Side benefit · Camellia sinensis leaf extract, Gluconolactone
Works well

This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).

Camellia sinensis leaf extractEffect: LowCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.8–1.2%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.35–0.65%
Anti-oxidation
Side benefit · Camellia sinensis leaf extract, Rosa damascena flower water + 1 more
May help

This product contains antioxidants (camellia sinensis leaf 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.

Camellia sinensis leaf extractKey activeEffect: MediumCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.8–1.2%
Rosa damascena flower waterEffect: LowUsed to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritating~1.6–2%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.35–0.65%

Can it cause trouble?

Irritancy
1 strong irritant: Rosa damascena flower water
Medium risk
We flagged 16 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Rosa damascena flower waterUsed to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritatingHigh~1.6–2%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~4.6–5.6%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~2.4–2.9%est.
Polyhydroxystearic acidUsed to create a thicker product consistency and stabilize the formulationMedium~1–1.3%est.
Simmondsia chinensis seed oilSoftens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.Medium~1.1–1.3%est.
EthylhexylglycerinA preservativeMedium~0.9–1.1%est.
Aluminum stearateUsed to help evenly disperse other ingredients (for example, pigment) in a formulationMedium~0.65–0.95%est.
Potassium cetyl phosphateHelps oil and water mix togetherMedium~0.65–1%est.
Polyglyceryl-3 polyricinoleateHelps oil and water mix togetherMedium~0.65–0.95%est.
Polyglyceryl-3 diisostearateHelps oil and water mix togetherMedium~0.55–0.8%est.
Sodium lactateHelps attract water to the upper layer of the skin. Is often used to adjust the pH level of the productMedium~0.45–0.65%est.
GluconolactoneA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicalsMedium~0.35–0.65%est.
Potassium sorbateA preservativeMedium~0.3–0.6%est.
Disodium edtaStabilizes the product formulationMedium~0.2–0.4%est.
Sorbic acidA preservativeMedium~0.2–0.35%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.1–0.2%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
Polyglyceryl-3 diisostearateHelps oil and water mix together3/5~0.55–0.8%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Titanium dioxide~29–36%
UV filterKey active
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
Zinc oxide~11–13%
UV filterKey active
Irritation risk
Low
Works for
Sun protection

A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant

More about Zinc oxide
Water~6.4–7.8%
Formula
Irritation risk
Low

Plain old water

More about Water
Butyloctyl salicylate~4.6–5.6%
UV filterKey activeIrritant · 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
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
Dimethicone~3.3–4%
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
Propanediol~2.6–3.2%
Formula
Irritation risk
Low

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

More about Propanediol
Caprylic/capric triglyceride~2.4–2.9%
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
Rosa damascena flower water~1.6–2%
Irritant · high
Irritation risk
High
Works for
MoisturizingAnti-oxidation

Used to add a nice rose smell to the product. Might help attract water to the upper layer of the skin and have some anti-oxidant effect. Can be irritating

More about Rosa damascena flower water
Polyglyceryl-10 oleate~1.3–1.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Polyglyceryl-10 oleate
Coco-caprylate/caprate~1.2–1.4%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin without creating a greasy texture

More about Coco-caprylate/caprate
Polyhydroxystearic acid~1–1.3%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Polyhydroxystearic acid
Simmondsia chinensis seed oil~1.1–1.3%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Softens the upper layer of skin and helps restore the healthy skin barrier. Has shown to help calm down inflammation in skin. It is a stable oil, meaning that it retains its properties even when exposed to air.

More about Simmondsia chinensis seed oil
Marrubium vulgare meristem cell culture~0.95–1.15%
Formula
Irritation risk
Low
More about Marrubium vulgare meristem cell culture
Ethylhexylglycerin~0.9–1.1%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Squalane~1–1.2%
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
Camellia sinensis leaf extract~0.8–1.2%
Key active
Irritation risk
Low
Works for
Anti-oxidationAntibacterialAnti-agingAnti-blemishEvens skin toneMoisturizing

Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation

More about Camellia sinensis leaf extract
Aspalathus linearis extract~0.7–1.05%
Formula
Irritation risk
Low
More about Aspalathus linearis extract
Palmitoyl tripeptide-1~0.8–1.15%
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-7~0.75–1.15%
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
Phenoxyethanol~0.65–1%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Aluminum stearate~0.65–0.95%
Irritant · medium
Irritation risk
Medium

Used to help evenly disperse other ingredients (for example, pigment) in a formulation

More about Aluminum stearate
Carthamus tinctorius oleosomes~0.7–1%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Carthamus tinctorius oleosomes
Sucrose stearate~0.75–1.1%
Formula
Irritation risk
Low
Works for
Cleansing

Helps water and oil mix together

More about Sucrose stearate
Glyceryl caprylate~0.7–1.05%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that can also help water and oil mix together, as well as prevent bacteria growth in products

More about Glyceryl caprylate
Alumina~0.75–1.1%
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
Butylene glycol~0.6–0.9%
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
Polyglyceryl-2 caprate~0.65–1%
Formula
Irritation risk
Low
Works for
Cleansing
More about Polyglyceryl-2 caprate
Microcrystalline cellulose~0.65–0.95%
Formula
Irritation risk
Low
Works for
Exfoliation
More about Microcrystalline cellulose
Potassium cetyl phosphate~0.65–1%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Potassium cetyl phosphate
Polyglyceryl-3 polyricinoleate~0.65–0.95%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-3 polyricinoleate
Hydrolyzed wheat protein/pvp crosspolymer~0.55–0.8%
Formula
Irritation risk
Low
More about Hydrolyzed wheat protein/pvp crosspolymer
Stearic acid~0.65–0.95%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Polyglyceryl-3 diisostearate~0.55–0.8%
Comedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
Cleansing

Helps oil and water mix together

More about Polyglyceryl-3 diisostearate
Triethoxycaprylylsilane~0.5–0.75%
Formula
Irritation risk
Low

A type of silicone that helps oil and water mix well together. Helps to disperse other ingredients, e.g. pigments, evenly in a formulation

More about Triethoxycaprylylsilane
Cellulose gum~0.5–0.75%
Formula
Irritation risk
Low

Used to create thicker product consistency and stabilize emulsions

More about Cellulose gum
Carbomer~0.45–0.7%
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~0.45–0.65%
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
Gluconolactone~0.35–0.65%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
ExfoliationMoisturizingAnti-agingEvens skin toneAnti-oxidationAnti-blemish

A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals

More about Gluconolactone
Potassium sorbate~0.3–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Sodium benzoate~0.25–0.5%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Polysorbate 20~0.3–0.55%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 20
Cetyl alcohol~0.35–0.6%
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
Disodium edta~0.2–0.4%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

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

A preservative

More about Sorbic acid
Citric acid~0.1–0.2%
Irritant · medium
Irritation risk
Medium

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

More about Citric acid
Xanthan gum~0.15–0.25%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Ingredient list view

Titanium dioxide, Zinc oxide, Water, Butyloctyl salicylate, Glycerin, Dimethicone, Propanediol, Caprylic/capric triglyceride, Rosa damascena flower water, Polyglyceryl-10 oleate, Coco-caprylate/caprate, Polyhydroxystearic acid, Simmondsia chinensis seed oil, Marrubium vulgare meristem cell culture, Ethylhexylglycerin, Squalane, Camellia sinensis leaf extract, Aspalathus linearis extract, Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7, Phenoxyethanol, Aluminum stearate, Carthamus tinctorius oleosomes, Sucrose stearate, Glyceryl caprylate, Alumina, Butylene glycol, Polyglyceryl-2 caprate, Microcrystalline cellulose, Potassium cetyl phosphate, Polyglyceryl-3 polyricinoleate, Hydrolyzed wheat protein/pvp crosspolymer, Stearic acid, Polyglyceryl-3 diisostearate, Triethoxycaprylylsilane, Cellulose gum, Carbomer, Sodium lactate, Gluconolactone, Potassium sorbate, Sodium benzoate, Polysorbate 20, Cetyl alcohol, Disodium edta, Sorbic acid, Citric acid, Xanthan gum

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🇬🇧 Lookfantastic (UK)75 ml
≈ $99.42 Out of stock
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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
DecreeDay Shield SPF 30YOUR PRODUCTNo7Future Renew Damage Protection Defence Shield SPF50VichyLiftActiv Cream B3 Anti-Spot SPF50Rodan + FieldsREVERSE Brightening Defense Fluid Lotion SPF 50
Match—42%41%41%
Price—$33.07$44.37—
Shared key ingredients—4 of 132 of 135 of 13
Key difference—Sodium HyaluronateNiacinamideNiacinamide
Irritancy Medium Low Medium Low
SPFSPF 30SPF 50SPF 50SPF 50
Drying alcohol—— Contains drying alcohol —
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Product summary

Based on the ingredient list, we assess that "Decree - Day Shield SPF 30" can provide reliable sun protection. It can protect from both UVA and UVB rays. This is great news because not all sunscreens with SPF ratings give UVA protection. (UVA rays do not cause sunburn, but still damage our skin and lead to early aging).

Because it includes good moisturizing ingredients, it can also work as a hydrating day cream. Like all broad-spectrum sunscreens, this product helps prevent early signs of aging.

Sunscreen filters

This is a "mixed" sunscreen in the sense that it uses both mineral and organic (so-called "chemical") sun filters. The organic filters in the product are: butyloctyl salicylate. As for the mineral filters, this sunscreen uses both titanium dioxide and zinc oxide.

Irritation risk

This formulation includes some common irritants, including ingredients that do not provide a benefit for the skin. We assess the overall irritancy of this product to be medium. 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 from 103.50$ up to 224.00$ in the United States, for 75.00£ in the United Kingdom and for 131.30CA$ in Canada.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 23 studies and safety reviews.

  1. 1
    A review of inorganic UV filters zinc oxide and titanium dioxideonlinelibrary.wiley.com
  2. 2
    Risk assessment of zinc oxide, a cosmetic ingredient used as a UV filter of sunscreensncbi.nlm.nih.gov
  3. 3
    Characterization of the UVA protection provided by avobenzone, zinc oxide, and titanium dioxide in broad-spectrum sunscreen productsncbi.nlm.nih.gov
  4. 4
    Ultraviolet Protection Properties of Commercial Sunscreens and Sunscreens Containing Zno Nanorodsiopscience.iop.org
  5. 5
    ZnO nanoparticles and organic chemical UV-filters are equally well tolerated by human immune cellsncbi.nlm.nih.gov
  6. 6
    Safety assessment of Salicylic Acid, Butyloctyl Salicylate, Calcium Salicylate, C12-15 Alkyl Salicylate, Capryloyl Salicylic Acid, Hexyldodecyl Salicylate, Isocetyl Salicylate, Isodecyl Salicylate, Magnesium Salicylate, MEA-Salicylate, Ethylhexyl Salicylate, Potassium Salicylate, Methyl Salicylate, Myristyl Salicylate, Sodium Salicylate, TEA-Salicylate, and Tridecyl Salicylatencbi.nlm.nih.gov
Decree Day Shield SPF 30
DecreeDay Shield SPF 30
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