Zinc Oxide 23.4% Sunscreen SPF 50

Think

Zinc Oxide 23.4% Sunscreen SPF 50

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About this product

The Think Zinc Oxide 23.4% Sunscreen SPF 50 is a sunscreen. Our analysis of its 18 ingredients (14 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Sunscreen
Ingredients
18
Low-risk
14
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 7/4
Good for dry skin
Glyceryl Caprylate Cetyl Dimethicone Caprylic/Capric Triglyceride Glycerin Polyglyceryl-4 Isostearate Hyaluronic Acid Hexyl Laurate
Caution for dry skin
Glyceryl Caprylate Sorbitan Sesquioleate Glycerin Polyglyceryl-4 Isostearate
Oily/Acne-Prone Skin 0/1
Caution for oily/acne-prone skin
Cetyl Dimethicone
Sensitive Skin 2/2
Good for sensitive skin
Zinc Oxide Glycerin
Caution for sensitive skin
Caprylic/Capric Triglyceride Glycerin

Ingredients list

18 total
Lower hazard (1) Higher hazard (3)
All18 Skin Conditioning11 Emollient5 Solvent4 Humectant3 Hair Conditioning3 Fragrance3 Viscosity Controlling3 Perfuming3
EWG CIR Ingredient Name & Cosmetic Functions Notes
2
3
Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent)
Good for Oily Skin
Good for Oily Skin
1
Water
(Solvent)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
B
Polyglyceryl-4 Isostearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Cetyl Dimethicone
(Antifoaming Agent, Skin Conditioning Agent Occlusive, Emollient)
Silicone
Silicone
1
B
Hexyl Laurate
(Skin Conditioning, Emollient, Solvent, Viscosity Controlling)
Fungal Acne
Fungal Acne Trigger
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
Hydrogenated Methyl Abietate
(Viscosity Increasing Agent, Viscosity Controlling)
1
A
Magnesium Sulfate
(Bulking Agent, Hair Conditioning, Viscosity Controlling)
1
Caprylhydroxamic Acid
(Chelating Agent)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Sorbitan Sesquioleate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Carica Papaya Fruit
(Skin Conditioning)
Helianthus Annuus Flower
(Skin Conditioning)
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Olea Europaea Fruit Oil
(Fragrance, Perfuming, Skin Conditioning)
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)

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

Zinc Oxide
Skin Protecting
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Polyglyceryl-4 Isostearate
Skin Conditioning, Emollient
Cetyl Dimethicone
Emollient
Hexyl Laurate
Skin Conditioning, Emollient
Glycerin
Humectant, Skin Protecting

Benefits

Good for dry skin

Concerns

Contains silicone
Not fungal acne (malassezia) safe
May not suit oily/acne-prone skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Polyglyceryl-4 Isostearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientEmulsifyingSurfactant
Hydrogenated Methyl Abietate
Viscosity increasing agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Viscosity increasing agentViscosity controlling
Magnesium Sulfate
Bulking agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Bulking agentHair conditioningViscosity controlling
Caprylhydroxamic Acid
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agent
Glyceryl Caprylate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientEmulsifyingSurfactant
Carica Papaya Fruit
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Helianthus Annuus Flower
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
SIMMONDSIA CHINENSIS SEED OIL
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Olea Europaea Fruit Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioning
Hyaluronic Acid
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningViscosity increasing agentAntistatic agentHumectantMoisturising
Zinc Oxide
Bulking agent, Cosmetic colorant
Low-to-moderate hazard.Read moreShow less
EWG 2–3 Bulking agentCosmetic colorantSkin protectingSunscreen agent Good for Oily Skin
Cetyl Dimethicone
Antifoaming agent, Skin-conditioning agent - occlusive
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentSkin-conditioning agent - occlusiveEmollient Silicone
Hexyl Laurate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientSolventViscosity controlling Fungal-acne trigger
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Sorbitan Sesquioleate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant Fungal-acne trigger

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.

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