Professional Sun Block SPF 50+ PA++++

Logically Skin

Professional Sun Block SPF 50+ PA++++

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About this product

The Logically Skin Professional Sun Block SPF 50+ PA++++ is a sunscreen. Our analysis of its 34 ingredients (29 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Sunscreen
Ingredients
34
Low-risk
29
Fragrance
Fragrance-free
Origin
South Korea
SPF
50 · blocks 98.0% UVB · PA++++

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 7/8
Good for dry skin
Glyceryl Caprylate Cetyl Ethylhexanoate Silica Dimethyl Silylate Butylene Glycol Cyclohexasiloxane Dimethicone Cyclopentasiloxane
Caution for dry skin
Glyceryl Caprylate Dimethicone Crosspolymer Sorbitan Sesquioleate Stearic Acid Silica Dimethyl Silylate Calamine PEG-9 Polydimethylsiloxyethyl Dimethicone Silica
Oily/Acne-Prone Skin No data
Sensitive Skin 3/3
Good for sensitive skin
Zinc Oxide Calamine Dimethicone
Caution for sensitive skin
Stearic Acid Butylene Glycol Ethyl Hexanediol

Ingredients list

34 total
Lower hazard (1) Higher hazard (3)
All34 Skin Conditioning23 Viscosity Controlling9 Hair Conditioning8 Solvent7 Emollient6 Emulsion Stabilising5 Skin Protecting5 Bulking Agent4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
B
Butyloctyl Salicylate
(Hair Conditioning, Skin Conditioning, Solvent)
2
3
Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent)
Good for Oily Skin
Good for Oily Skin
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
2
A
Cyclohexasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
1
B
Cetyl Ethylhexanoate
(Skin Conditioning, Emollient)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
3
A
PEG-10 Dimethicone
(Hair Conditioning, Skin Conditioning)
1
Calamine
(Absorbent, Opacifying, Skin Protecting)
3
A
PEG-9 Polydimethylsiloxyethyl Dimethicone
(Skin Conditioning, Emulsifying, Surfactant)
3
A
Dimethicone/PEG-10/15 Crosspolymer
(Film Forming, Opacifying)
1
A
Disteardimonium Hectorite
(Stabilising, Viscosity Controlling)
1
A
Magnesium Sulfate
(Bulking Agent, Hair Conditioning, Viscosity Controlling)
1
A
Ceresin
(Binding Agent, Epilating Agent, Viscosity Increasing Agent, Antistatic Agent, Binding, Emulsion Stabilising, Hair Conditioning, Opacifying, Viscosity Controlling)
1
A
Sorbitan Sesquioleate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
CI 77891
(Colorant)
1
A
Dimethicone Crosspolymer
(Emulsion Stabilising, Hair Fixing, Suspending Agent Nonsurfactant, Viscosity Increasingagent Nonaqueous, Viscosity Controlling)
3
A
Ethyl Hexanediol
(Fragrance, Solvent)
1
Triethoxycaprylylsilane
(Binding Agent, Binding)
1
B
Silica Dimethyl Silylate
(Anticaking Agent, Bulking Agent, Slip Modifier, Suspending Agent Nonsurfactant, Viscosityincreasing Agent Nonaqueous, Antifoaming Agent, Emollient, Emulsion Stabilising, Viscosity Controlling)
1
A
Stearic Acid
(Fragrance, Sufactant, Emulsifying, Surfactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Stearic Acid., Emulsion Stabilising, Masking, Refatting)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
B
Lauroyl Lysine
(Hair Conditioning, Skin Conditioning, Viscosity Controlling)
1
A
1,2-Hexanediol
(Solvent)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
Adenosine
(Skin Conditioning)
1
A
Pentasodium Pentetate
(Chelating Agent)
Tetracarboxymethyl Dipeptide-12
(Humectant)
Acetyl Prolyl Hydroxyproline
(Skin Conditioning, Skin Conditioning Emollient)
Pentasodium Tetracarboxymethyl Dipeptide-51
(Skin Conditioning)
Tetracarboxymethyl Hexanoyl Dipeptide-12
(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

Peptides
Supports skin hydration and improves firmness.
Niacinamide
Strengthens, smooths, and brightens skin.
Mineral UV Filter
Reflects UV rays using mineral barriers.
Exfoliators
Removes dead skin cells to smoothe texture.

Benefits

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

Concerns

Contains silicone
Not fungal acne (malassezia) safe
May not suit dry skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Butyloctyl Salicylate
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningSkin conditioningSolvent
Cyclohexasiloxane
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Hair conditioningSkin conditioningEmollientSolvent
Cetyl Ethylhexanoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
PEG-10 Dimethicone
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioning
Calamine
Absorbent, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 AbsorbentOpacifyingSkin protecting
PEG-9 Polydimethylsiloxyethyl Dimethicone
Skin conditioning, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Skin conditioningEmulsifyingSurfactant
Dimethicone/PEG-10/15 Crosspolymer
Film forming, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Film formingOpacifying
Disteardimonium Hectorite
Stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A StabilisingViscosity controlling
Magnesium Sulfate
Bulking agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Bulking agentHair conditioningViscosity controlling
Ceresin
Binding agent, Epilating agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEpilating agentViscosity increasing agentAntistatic agentBindingEmulsion stabilisingHair conditioningOpacifyingViscosity controlling
CI 77891
Colorant
Limited public safety data.Read moreShow less
EWG N/A Colorant
Dimethicone Crosspolymer
Emulsion stabilising, Hair fixing
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingHair fixingSuspending agent - nonsurfactantViscosity increasingagent - nonaqueousViscosity controlling
+ 13 more — see the full ingredients list above
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
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone
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
Sorbitan Sesquioleate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant Fungal-acne trigger
Stearic Acid
Fragrance, Sufactant
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceSufactantEmulsifyingSurfactantsurfactant-cleansing agent is included as a function for the soap form of stearic acid.Emulsion stabilisingMaskingRefatting Bad for Oily SkinFungal-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.

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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