Isle Sheen Sunstick SPF 35

CAY SKIN

Where to buy Possibly in stock

About this product

The CAY SKIN Isle Sheen Sunstick SPF 35 is a sunscreen. Our analysis of its 24 ingredients (15 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Sunscreen
Ingredients
24
Low-risk
15
Fragrance
Fragrance-free
Origin
United States
SPF
35 · blocks 97.1% UVB
Data updated
Jun 2026

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 5/1
Good for dry skin
Squalane Silica Silylate Octyldodecanol Caprylic/Capric Triglyceride Aloe Barbadensis Leaf Extract
Caution for dry skin
Silica Silylate
Oily/Acne-Prone Skin No data
Sensitive Skin 5/4
Good for sensitive skin
Diethylhexyl Syringylidenemalonate Tetrahexyldecyl Ascorbate Laminaria Digitata Extract Aloe Barbadensis Leaf Extract Laminaria Hyperborea Extract
Caution for sensitive skin
Beta-Sitosterol Octyldodecanol Caprylic/Capric Triglyceride Homosalate

Ingredients list

24 total
Lower hazard (1) Higher hazard (4)
All24 Skin Conditioning22 Hair Conditioning5 Emollient5 Fragrance5 Uv Absorber5 Uv Filter4 Skin Protecting4 Solvent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
2
Butyl Methoxydibenzoylmethane
(Uv Absorber, Uv Filter)
4
Homosalate
(Fragrance, Sunscreen Agent, Uv Absorber, Skin Conditioning, Uv Filter)
4
Ethylhexyl Salicylate
(Uv Absorber, Uv Filter)
3
Octocrylene
(Sunscreen Agent, Uv Absorber, Uv Filter)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Octyldodecanol
(Fragrance, Skin Conditioning, Emollient, Perfuming, Solvent)
1
B
Butyloctyl Salicylate
(Hair Conditioning, Skin Conditioning, Solvent)
1
B
Ethylhexyl Olivate
(Skin Conditioning)
1
B
Silica Silylate
(Antifoaming Agent, Bulking Agent, Skin Conditioning, Emollient, Suspending Agent Nonsurfactant, Anticaking Agent, Emulsion Stabilising, Viscosity Controlling)
1
Dibutyl Lauroyl Glutamide
(Hair Conditioning, Skin Conditioning, Film Forming)
Polyester-8
(Film Forming, Skin Conditioning)
1
Dibutyl Ethylhexanoyl Glutamide
(Hair Conditioning, Skin Conditioning)
1
3
B
Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
Chondrus Crispus Extract
(Skin Conditioning, Viscosity Controlling)
1
Laminaria Digitata Extract
(Skin Protecting)
Laminaria Hyperborea Extract
(Skin Protecting)
Carthamus Tinctorius Seed Oil
(Fragrance, Skin Conditioning)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Beta-Sitosterol
(Emulsion Stabilising, Masking, Skin Conditioning, Stabilising)
1
Diethylhexyl Syringylidenemalonate
(Skin Protecting)

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

Chemical UV Filter
Absorbs UV rays to help prevent sun damage.
Antioxidants
Shields skin from free radical damage.
Vitamin C
Brightens, evens tone, and supports collagen.
Vitamin E
Protects skin and soothes irritation.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Redness ReducingSoothes visible redness and calms irritation.
Anti-AgingSoftens lines and helps skin look youthful.
BrighteningRestores radiance to dull, tired skin.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
Good For Oily SkinBalances oil and helps reduce shine.

Concerns

No major concerns flagged

Ingredients explained

Butyl Methoxydibenzoylmethane
Uv absorber, Uv filter
Low-hazard ingredient.Read moreShow less
EWG 2 Uv absorberUv filter
Homosalate
Fragrance, Sunscreen agent
Low-to-moderate hazard.Read moreShow less
EWG 4 FragranceSunscreen agentUv absorberSkin conditioningUv filter
Ethylhexyl Salicylate
Uv absorber, Uv filter
Low-to-moderate hazard.Read moreShow less
EWG 4 Uv absorberUv filter
Octocrylene
Sunscreen agent, Uv absorber
Low-to-moderate hazard.Read moreShow less
EWG 3 Sunscreen agentUv absorberUv filter
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Octyldodecanol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningEmollientPerfumingSolvent
Butyloctyl Salicylate
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningSkin conditioningSolvent
Ethylhexyl Olivate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioning
Silica Silylate
Antifoaming agent, Bulking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antifoaming agentBulking agentSkin conditioningEmollientSuspending agent -nonsurfactantAnticaking agentEmulsion stabilisingViscosity controlling
Dibutyl Lauroyl Glutamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningFilm forming
Polyester-8
Film forming, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Film formingSkin conditioning
Dibutyl Ethylhexanoyl Glutamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Chondrus Crispus Extract
Skin conditioning, Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningViscosity controlling
Laminaria Digitata Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
+ 8 more — see the full ingredients list above
Aloe Barbadensis Leaf Extract
Emollient, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 1–3 CIR B EmollientHumectantOral care agentSkin conditioning Good for Sensitive Skin

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.

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

Trust & honesty

Effective levels — general guide

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

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.

Tetrahexyldecyl Ascorbate

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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