Birch Juice Moisturizing UVLock Sun Stick SPF 50+

Round Lab

Birch Juice Moisturizing UVLock Sun Stick SPF 50+

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About this product

The Round Lab Birch Juice Moisturizing UVLock Sun Stick SPF 50+ is a emulsion. Our analysis of its 46 ingredients (36 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
46
Low-risk
36
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 18/6
Good for dry skin
Glyceryl Glucoside Glyceryl Caprylate Camellia Japonica Seed Oil Diethylhexyl Carbonate Diisostearyl Malate Dipotassium Glycyrrhizate Bis-Behenyl/Isostearyl/Phytosteryl Dimer Dilinoleyl Dimer Dilinoleate Silica Dimethyl Silylate Ethylhexyl Isononanoate Isopropyl Palmitate Butylene Glycol Sodium Hyaluronate Glycerin Hyaluronic Acid Synthetic Wax Dimethicone Aloe Barbadensis Leaf Extract Phenethyl Benzoate
Caution for dry skin
Glyceryl Caprylate Dimethicone Crosspolymer Diisostearyl Malate Silica Dimethyl Silylate Glycerin Viola Mandshurica Flower Extract
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Viola Mandshurica Flower Extract
Sensitive Skin 6/10
Good for sensitive skin
Laminaria Japonica Extract Glycerin Dimethicone Allantoin Aloe Barbadensis Leaf Extract Viola Mandshurica Flower Extract
Caution for sensitive skin
Laminaria Japonica Extract Anthemis Nobilis Flower Oil Isopropyl Palmitate Butylene Glycol Glycerin Synthetic Wax Pinus Sylvestris Leaf Oil Homosalate Artemisia Annua Extract Phenethyl Benzoate

Ingredients list

46 total
Lower hazard (1) Higher hazard (4)
All46 Skin Conditioning36 Emollient12 Humectant8 Viscosity Controlling8 Fragrance7 Solvent6 Emulsion Stabilising6 Film Forming6
EWG CIR Ingredient Name & Cosmetic Functions Notes
4
Homosalate
(Fragrance, Sunscreen Agent, Uv Absorber, Skin Conditioning, Uv Filter)
3
Octocrylene
(Sunscreen Agent, Uv Absorber, Uv Filter)
4
Ethylhexyl Salicylate
(Uv Absorber, Uv Filter)
2
Butyl Methoxydibenzoylmethane
(Uv Absorber, Uv Filter)
1
Diethylhexyl Carbonate
(Skin Conditioning, Emollient)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Methyl Methacrylate Crosspolymer
(Film Forming, Viscosity Increasing Agent)
1
A
Synthetic Wax
(Binding Agent, Emulsion Stabilising, Fragrance, Viscosity Increasing Agent, Antistatic Agent, Binding, Emollient, Masking, Viscosity Controlling)
1
Diphenylsiloxy Phenyl Trimethicone
(Antifoaming Agent, Hair Conditioning, Skin Conditioning)
1
B
Butyloctyl Salicylate
(Hair Conditioning, Skin Conditioning, Solvent)
1
B
Isopropyl Palmitate
(Binding Agent, Fragrance, Skin Conditioning, Emollient, Antistatic Agent, Binding, Perfuming, Solvent)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
Phenethyl Benzoate
(Emollient, Perfuming)
1
A
Diisostearyl Malate
(Skin Conditioning, Emollient, Surfactant)
1
B
Ethylhexyl Isononanoate
(Skin Conditioning, Emollient)
1
Caprylyl Trimethicone
(Skin Conditioning)
1
A
Synthetic Fluorphlogopite
(Bulking Agent, Viscosity Increasing Agent, Viscosity Controlling)
1
Bis-Behenyl/Isostearyl/Phytosteryl Dimer Dilinoleyl Dimer Dilinoleate
(Emollient, Hair Conditioning, Skin Conditioning, Viscosity Controlling)
1
Polymethylsilsesquioxane
(Opacifying)
1
A
Polyethylene
(Abrasive, Adhesive, Binding Agent, Bulking Agent, Emulsion Stabilising, Film Forming, Oral Care Agentagent, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Dimethicone/Vinyl Dimethicone Crosspolymer
(Viscosity Controlling)
1
A
Camellia Japonica Seed Oil
(Emollient, Skin Conditioning)
1
A
Ethylene/Propylene Copolymer
(Abrasive, Bulking Agent, Film Forming)
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
Dimethicone Crosspolymer
(Emulsion Stabilising, Hair Fixing, Suspending Agent Nonsurfactant, Viscosity Increasingagent Nonaqueous, Viscosity Controlling)
Candelilla Wax Esters
(Film Forming)
Artemisia Annua Extract
(Masking)
copernicia cerifera wax
(Depilatory)
2
Pinus Sylvestris Leaf Oil
(Masking)
1
Anthemis Nobilis Flower Oil
(Masking, Perfuming, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
Good for Dry Skin
Good for Dry Skin
1
Water
(Solvent)
1
A
Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
Glyceryl Glucoside
(Humectant, Skin Conditioning)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
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
A
1,2-Hexanediol
(Solvent)
1
Betula Platyphylla Japonica Juice
(Skin Conditioning)
Ulmus Davidiana Root Extract
(Skin Conditioning)
1
3
B
Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
Dioscorea Japonica Root Extract
(Skin Conditioning)
Viola Mandshurica Flower Extract
(Antioxidant, Astringent)
1
Laminaria Japonica Extract
(Fragrance, Skin Protecting)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, 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

Homosalate
Uv Absorber, Skin Conditioning
Octocrylene
Uv Absorber, Uv Filter
Ethylhexyl Salicylate
Uv Absorber, Uv Filter
Butyl Methoxydibenzoylmethane
Uv Absorber, Uv Filter
Diethylhexyl Carbonate
Skin Conditioning, Emollient
Dimethicone
Skin Protecting, Emollient

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

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

Ingredients explained

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
Diethylhexyl Carbonate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollient
Methyl Methacrylate Crosspolymer
Film forming, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Film formingViscosity increasing agent
Synthetic Wax
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFragranceViscosity increasing agentAntistatic agentBindingEmollientMaskingViscosity controlling
Diphenylsiloxy Phenyl Trimethicone
Antifoaming agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Antifoaming agentHair conditioningSkin conditioning
Butyloctyl Salicylate
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningSkin conditioningSolvent
Phenethyl Benzoate
Emollient, Perfuming
Limited public safety data.Read moreShow less
EWG N/A EmollientPerfuming
Diisostearyl Malate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientSurfactant
Ethylhexyl Isononanoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
Caprylyl Trimethicone
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Synthetic Fluorphlogopite
Bulking agent, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Bulking agentViscosity increasing agentViscosity controlling
Bis-Behenyl/Isostearyl/Phytosteryl Dimer Dilinoleyl Dimer Dilinoleate
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 EmollientHair conditioningSkin conditioningViscosity controlling
+ 23 more — see the full ingredients list above
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Isopropyl Palmitate
Binding agent, Fragrance
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR B Binding agentFragranceSkin conditioningEmollientAntistatic agentBindingPerfumingSolvent Bad for Oily SkinFungal-acne trigger
Anthemis Nobilis Flower Oil
Masking, Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingPerfumingSkin conditioning Good for Sensitive SkinGood for Dry Skin
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood 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
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
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
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry 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.

ASCORBIC ACID

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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