Kate Somerville Serum Sunscreen Broad Spectrum SPF 50+

Kate Somerville

Kate Somerville Serum Sunscreen Broad Spectrum SPF 50+

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About this product

The Kate Somerville Serum Sunscreen Broad Spectrum SPF 50+ is a sunscreen. Our analysis of its 26 ingredients (20 low-risk) rates it Excellent (89/100). Based on its ingredients, it looks well-suited to oily / acne-prone and sensitive skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Sunscreen
Ingredients
26
Low-risk
20
Fragrance
Fragrance-free
Origin
United States
SPF
50 · blocks 98.0% UVB

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 5/6
Good for dry skin
Methyl Glucose Sesquistearate Butylene Glycol Dimethicone Sodium Polyacrylate PEG-8
Caution for dry skin
Kaolin PEI-10 Bentonite Sodium Polyacrylate Sodium Hydroxide Silica
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Sodium Ascorbyl Phosphate
Sensitive Skin 5/5
Good for sensitive skin
Sodium Ascorbyl Phosphate Kaolin Dimethicone Tocopheryl Acetate Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Butylene Glycol Retinyl Palmitate (Vitamin A) Phenoxyethanol Homosalate Benzophenone-3

Ingredients list

26 total
Lower hazard (1) Higher hazard (9)
All26 Skin Conditioning13 Emulsion Stabilising6 Viscosity Controlling6 Film Forming5 Opacifying4 Uv Absorber4 Absorbent4 Bulking Agent4
EWG CIR Ingredient Name & Cosmetic Functions Notes
4
Homosalate
(Fragrance, Sunscreen Agent, Uv Absorber, Skin Conditioning, Uv Filter)
1
PEI-10
(Suspending Agent Nonsurfactant)
8
Benzophenone-3
(Uv Absorber, Uv Filter)
Bad for Oily Skin
Bad for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
3
Octocrylene
(Sunscreen Agent, Uv Absorber, Uv Filter)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
3
A
PEG-8
(Humectant, Solvent)
1
A
Polyethylene
(Abrasive, Adhesive, Binding Agent, Bulking Agent, Emulsion Stabilising, Film Forming, Oral Care Agentagent, Viscosity Increasing Agent, Viscosity Controlling)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Methyl Glucose Sesquistearate
(Skin Conditioning, Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
3
Titanium/Titanium Dioxide
(Cosmetic Colorant, Opacifying)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
1
A
Kaolin
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Skin Protecting, Slip Modifier)
Picea Abies Extract
(Skin Conditioning)
3
B
Sodium Polyacrylate
(Absorbent, Emulsion Stabilising, Film Forming, Hair Fixing, Skin Conditioning Agent Emollient, Viscosity Controlling Agent, Viscosity Increasing Agent, Binding, Skin Conditioning)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
2
A
Bentonite
(Absorbent, Bulking Agent, Emulsion Stabilising, Opacifying, Suspending Agent Nonsurfactant, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Sodium Ascorbyl Phosphate
(Antioxidant)
9
Retinyl Palmitate (Vitamin A) Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
Tocopherol (Vitamin E) Good for Dry Skin
Good for Dry Skin
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
2
A
Chlorphenesin
(Cosmetic Biocide, Antimicrobial, Preservative)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Homosalate
Uv Absorber, Skin Conditioning
Benzophenone-3
Uv Absorber, Uv Filter
Octocrylene
Uv Absorber, Uv Filter
Butylene Glycol
Skin Conditioning, Humectant
PEG-8
Humectant
Dimethicone
Skin Protecting, Emollient

Benefits

Good for oily/acne-prone skin

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe
Benzophenone-3 — higher EWG
Retinyl Palmitate (Vitamin A) — higher EWG
May not suit dry skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Homosalate
Fragrance, Sunscreen agent
Low-to-moderate hazard.Read moreShow less
EWG 4 FragranceSunscreen agentUv absorberSkin conditioningUv filter
PEI-10
Suspending agent - nonsurfactant
Low-hazard ingredient.Read moreShow less
EWG 1 Suspending agent - nonsurfactant
Octocrylene
Sunscreen agent, Uv absorber
Low-to-moderate hazard.Read moreShow less
EWG 3 Sunscreen agentUv absorberUv filter
PEG-8
Humectant, Solvent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A HumectantSolvent
Polyethylene
Abrasive, Adhesive
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbrasiveAdhesiveBinding agentBulking agentEmulsion stabilisingFilm formingOral care agentagentViscosity increasing agentViscosity controlling
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
Titanium/Titanium Dioxide
Cosmetic colorant, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Cosmetic colorantOpacifying
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion stabilising, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingFilm formingViscosity controlling
Kaolin
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingSkin protectingSlip modifier
Picea Abies Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sodium Polyacrylate
Absorbent, Emulsion stabilising
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B AbsorbentEmulsion stabilisingFilm formingHair fixingSkin-conditioning agent -emollientViscosity controlling agentViscosity increasing agentBindingSkin conditioning
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Bentonite
Absorbent, Bulking agent
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A AbsorbentBulking agentEmulsion stabilisingOpacifyingSuspending agent -nonsurfactantViscosity increasing agentViscosity controlling
Sodium Ascorbyl Phosphate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antioxidant
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
+ 2 more — see the full ingredients list above
Benzophenone-3
Uv absorber, Uv filter
Potentially a skin irritantRead moreShow less
EWG 8 Uv absorberUv filter Bad for Oily SkinBad for Sensitive Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Methyl Glucose Sesquistearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientEmulsifying Fungal-acne trigger
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Retinyl Palmitate (Vitamin A)
Other
Higher-hazard ingredient.Read moreShow less
EWG 9 Good for Dry SkinFungal-acne trigger
Tocopherol (Vitamin E)
Other
Low-hazard ingredient.Read moreShow less
EWG 1 Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 2 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Retinyl Palmitate (Vitamin A))

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinyl Palmitate (Vitamin A)

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Sodium Ascorbyl Phosphate

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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