Kinfield Sunglow SPF 30

Kinfield Sunglow SPF 30

SPF 30Efficacy90/100IrritancyMedium·2 UV filters

Works for

Sun protection
SPF 30 · 2 UV filters
Broad spectrum
SPF 30Broad spectrumMineral filtersTinted

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

It is a mineral sunscreen. In other words, it contains non-organic UV filters. It will probably not sting your eyes but might leave a white cast.

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
Titanium Dioxide
Zinc Oxide
FilterCoverageWhat it doesEst. amount
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~0.15–0.25%
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 colorant20.3%
~ 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.
Anti-aging
Side benefit · No ingredient credited for this claim
Works well

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.

Evens skin tone
Side benefit · No ingredient credited for this claim
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).

Moisturizing
Side benefit · Coco-caprylate, Cetyl alcohol + 9 more
Works

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.

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, cetyl alcohol.

Coco-caprylateKey active· EmollientEffect: MediumAn emollient that softens skin and creates a nice product texture~6.8–8.3%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~2.7–3.3%
Polyglyceryl-2 dipolyhydroxystearateKey activeEffect: HighHelps to soften the upper layer of the skin~1.5–1.8%
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~0.55–0.85%
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~0.5–0.7%
Diheptyl succinateKey active· EmollientEffect: MediumHelps to soften the upper layer of the skin and creates a nice product finish on the skin~0.5–0.75%
Capryloyl glycerin/sebacic acid copolymerKey activeEffect: MediumHelps soften the upper layer of the skin~0.5–0.7%
Dicaprylyl carbonate· EmollientEffect: LowHelps products spread more easily and works as an emollient to soften skin~5.2–6.3%
Glyceryl stearate citrate· EmollientEffect: LowHelps oil and water mix together while softening the upper layer of the skin~0.4–0.6%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.3–0.6%
Simmondsia chinensis seed oilUnder-dosedSoftens 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.~0.45–0.7%

Can it cause trouble?

Irritancy
2 strong irritants: Rosmarinus officinalis leaf extract, Parfum
Medium risk
We flagged 8 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Rosmarinus officinalis leaf extractCan be helpful in reducing inflammation in skin, including inflamed acne. It can be irritatingHigh~0.3–0.55%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.1%est.
Coco-caprylateAn emollient that softens skin and creates a nice product textureMedium~6.8–8.3%est.
Lauryl glucosideHelps oil and water mix togetherMedium~2–2.4%est.
Phytic acidAn alpha-hydroxy acid (AHA), but is mostly used to stabilize product formulations in cosmeticsMedium~1.2–1.5%est.
Polyhydroxystearic acidUsed to create a thicker product consistency and stabilize the formulationMedium~0.6–0.85%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~0.45–0.7%est.
Caprylhydroxamic acidA preservativeMedium~0.2–0.4%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Zinc oxide20.3%
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~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Coco-caprylate~6.8–8.3%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

An emollient that softens skin and creates a nice product texture

More about Coco-caprylate
Dicaprylyl carbonate~5.2–6.3%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps products spread more easily and works as an emollient to soften skin

More about Dicaprylyl carbonate
Cetyl alcohol~2.7–3.3%
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
Microcrystalline cellulose~2.3–2.8%
Formula
Irritation risk
Low
Works for
Exfoliation
More about Microcrystalline cellulose
Lauryl glucoside~2–2.4%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Lauryl glucoside
Propanediol~1.6–2%
Formula
Irritation risk
Low

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

More about Propanediol
Polyglyceryl-2 dipolyhydroxystearate~1.5–1.8%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin

More about Polyglyceryl-2 dipolyhydroxystearate
Phytic acid~1.2–1.5%
Irritant · medium
Irritation risk
Medium

An alpha-hydroxy acid (AHA), but is mostly used to stabilize product formulations in cosmetics

More about Phytic acid
Cellulose gum~1.1–1.3%
Formula
Irritation risk
Low

Used to create thicker product consistency and stabilize emulsions

More about Cellulose gum
Xanthan gum~0.75–1.1%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Triethoxycaprylylsilane~0.6–0.95%
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
Polyhydroxystearic acid~0.6–0.85%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Polyhydroxystearic acid
Glycerin~0.55–0.85%
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
Capryloyl glycerin/sebacic acid copolymer~0.5–0.7%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about Capryloyl glycerin/sebacic acid copolymer
Diheptyl succinate~0.5–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin and creates a nice product finish on the skin

More about Diheptyl succinate
Helianthus annuus seed oil~0.5–0.7%
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
Simmondsia chinensis seed oil~0.45–0.7%
Under-dosedIrritant · 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
Rosmarinus officinalis leaf extract~0.3–0.55%
Irritant · high
Irritation risk
High
Works for
Anti-blemishAntibacterialAnti-oxidation

Can be helpful in reducing inflammation in skin, including inflamed acne. It can be irritating

More about Rosmarinus officinalis leaf extract
Glyceryl stearate citrate~0.4–0.6%
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
Glyceryl stearate~0.3–0.6%
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
Caprylyl glyceryl ether~0.35–0.6%
Formula
Irritation risk
Low
Works for
Cleansing
More about Caprylyl glyceryl ether
Caprylhydroxamic acid~0.2–0.4%
Irritant · medium
Irritation risk
Medium

A preservative

More about Caprylhydroxamic acid
Mica~0.25–0.45%
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
Iron oxides~0.15–0.25%
Formula
Irritation risk
Low
Works for
Sun protection

An umbrella term for the following three colorants: CI 77491, CI 77492, CI 77499. They might be able to offer some protection against visible light, but the degree of the protection is not clear

More about Iron oxides
Ci 77491~0.15–0.25%
Formula
Irritation risk
Low

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

More about Ci 77491
Titanium dioxide~0.15–0.25%
UV filterUnder-dosed
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
Ci 77891~0.1–0.15%
Formula
Irritation risk
Low
More about Ci 77891
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

Zinc oxide, Water, Coco-caprylate, Dicaprylyl carbonate, Cetyl alcohol, Microcrystalline cellulose, Lauryl glucoside, Propanediol, Polyglyceryl-2 dipolyhydroxystearate, Phytic acid, Cellulose gum, Xanthan gum, Triethoxycaprylylsilane, Polyhydroxystearic acid, Glycerin, Capryloyl glycerin/sebacic acid copolymer, Diheptyl succinate, Helianthus annuus seed oil, Simmondsia chinensis seed oil, Rosmarinus officinalis leaf extract, Glyceryl stearate citrate, Glyceryl stearate, Caprylyl glyceryl ether, Caprylhydroxamic acid, Mica, Iron oxides, Ci 77491, Titanium dioxide, Ci 77891, Parfum

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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
KinfieldSunglow SPF 30YOUR PRODUCTObagiPhysical Defense Broad Spectrum SPF 40BabyganicsMineral-Based Sunscreen SPF 50Laboratoires de BiarritzOrganic Alga Maris Face Sunscreen SPF50
Match—38%37%36%
Price—$69.00$9.99$24.23
Shared key ingredients—4 of 75 of 75 of 7
Key difference—Caprylic/Capric TriglycerideButyloctyl SalicylateCaprylic/Capric Triglyceride
Irritancy Medium Low Low Low
SPFSPF 30SPF 40SPF 50SPF 50
Drying alcohol————
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Product summary

We believe that "Kinfield - Sunglow SPF 30" can provide reliable sun protection based on the ingredients listed. We love that it can protect from both UVA and UVB rays (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).

This product should also be hydrating enough to use without an additional moisturizer during the day. Like all broad-spectrum sunscreens, this product has an anti-aging benefit.

Sunscreen filters

It is a mineral sunscreen. It uses titanium dioxide and zinc oxide for sun protection. Both titanium dioxide and zinc oxide almost never irritate even the most sensitive skin and eyes, but can leave a white cast.

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 it 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.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 15 studies and safety reviews.

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Kinfield Sunglow SPF 30
KinfieldSunglow SPF 30

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