Sunscreen Protection Factor SPF 50+

La Théorie

Sunscreen Protection Factor SPF 50+

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About this product

The La Théorie Sunscreen Protection Factor SPF 50+ is a sunscreen. Our analysis of its 26 ingredients (21 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Sunscreen
Ingredients
26
Low-risk
21
Fragrance
Fragrance-free
Origin
South Korea
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 1/2
Good for dry skin
Butylene Glycol
Caution for dry skin
Alcohol Denat. Sodium Acrylates Crosspolymer-2
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Alcohol Denat.
Sensitive Skin 0/3
Caution for sensitive skin
Butylene Glycol Alcohol Denat. Homosalate

Ingredients list

26 total
Lower hazard (1) Higher hazard (4)
All26 Skin Conditioning16 Solvent7 Uv Absorber7 Viscosity Controlling6 Film Forming4 Uv Filter4 Hair Conditioning4 Emulsion Stabilising3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
4
Homosalate
(Fragrance, Sunscreen Agent, Uv Absorber, Skin Conditioning, 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
Octocrylene
(Sunscreen Agent, Uv Absorber, Uv Filter)
4
Ethylhexyl Salicylate
(Uv Absorber, Uv Filter)
2
Butyl Methoxydibenzoylmethane
(Uv Absorber, Uv Filter)
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
B
Butyloctyl Salicylate
(Hair Conditioning, Skin Conditioning, Solvent)
1
A
Methyl Methacrylate Crosspolymer
(Film Forming, Viscosity Increasing Agent)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
1,2-Hexanediol
(Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Benzotriazolyl Dodecyl p-Cresol
(Uv Absorber)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Ethylhexyl Methoxycrylene
(Uv Absorber)
Sodium Acrylates Crosspolymer-2
(Absorbent)
1
Sodium Polyacryloyldimethyl Taurate
(Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling)
1
Dibutyl Lauroyl Glutamide
(Hair Conditioning, Skin Conditioning, Film Forming)
1
Dibutyl Ethylhexanoyl Glutamide
(Hair Conditioning, Skin Conditioning)
C30-45 Alkyldimethylsilyl Polypropylsilsesquioxane
(Film Forming)
1
Ammonium Acryloyldimethyltaurate/VP Copolymer
(Viscosity Controlling)
1
Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling)
1
Adenosine
(Skin Conditioning)
1
A
Biosaccharide Gum-1
(Skin Conditioning)
1
Sodium Phytate
(Chelating Agent, Oral Care Agent)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)

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.
Niacinamide
Strengthens, smooths, and brightens skin.

Benefits

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

Concerns

May not suit dry skin
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Homosalate
Fragrance, Sunscreen agent
Low-to-moderate hazard.Read moreShow less
EWG 4 FragranceSunscreen agentUv absorberSkin conditioningUv filter
Octocrylene
Sunscreen agent, Uv absorber
Low-to-moderate hazard.Read moreShow less
EWG 3 Sunscreen agentUv absorberUv filter
Ethylhexyl Salicylate
Uv absorber, Uv filter
Low-to-moderate hazard.Read moreShow less
EWG 4 Uv absorberUv filter
Butyl Methoxydibenzoylmethane
Uv absorber, Uv filter
Low-hazard ingredient.Read moreShow less
EWG 2 Uv absorberUv filter
Butyloctyl Salicylate
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningSkin conditioningSolvent
Methyl Methacrylate Crosspolymer
Film forming, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Film formingViscosity increasing agent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Benzotriazolyl Dodecyl p-Cresol
Uv absorber
Low-hazard ingredient.Read moreShow less
EWG 1 Uv absorber
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Ethylhexyl Methoxycrylene
Uv absorber
Low-hazard ingredient.Read moreShow less
EWG 1 Uv absorber
Sodium Acrylates Crosspolymer-2
Absorbent
Limited public safety data.Read moreShow less
EWG N/A Absorbent
Sodium Polyacryloyldimethyl Taurate
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity increasing agentViscosity controlling
+ 9 more — see the full ingredients list above
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad 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.

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

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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