Barrier Boost

Dr. Emi Arpa

Where to buy Possibly in stock

About this product

The Dr. Emi Arpa Barrier Boost is a moisturizer. Our analysis of its 48 ingredients (38 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Moisturizers
Ingredients
48
Low-risk
38
Fragrance
Fragrance-free
Origin
Germany
SPF
50 · blocks 98.0% UVB
Data updated
May 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 13/8
Good for dry skin
Glyceryl Caprylate Squalane Ectoin Inulin Caprylyl Glycol Butylene Glycol Glycerin Cholesterol Hydrolyzed Jojoba Esters Tremella Fuciformis Sporocarp Extract Lactic Acid Lecithin Myristyl Myristate
Caution for dry skin
Glyceryl Caprylate Sodium Lauroyl Lactylate Sorbitan Laurate Alpha-Glucan Oligosaccharide Xanthan Gum Glycerin Hydrolyzed Jojoba Esters Lecithin
Oily/Acne-Prone Skin 1/1
Good for oily/acne-prone skin
Azelaic Acid
Caution for oily/acne-prone skin
Hydrolyzed Jojoba Esters
Sensitive Skin 3/11
Good for sensitive skin
Glycerin Tremella Fuciformis Sporocarp Extract Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Levulinic Acid Sodium Chloride Acetic Acid Azelaic Acid Arginine Butylene Glycol Glycerin Phenylpropanol Sodium Benzoate Lactic Acid Phenoxyethanol

Ingredients list

48 total
Lower hazard (1) Higher hazard (4)
All48 Skin Conditioning47 Fragrance11 Hair Conditioning11 Emulsion Stabilising8 Viscosity Controlling8 Masking7 Humectant7 Emollient7
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Azelaic Acid
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
1
Bifida Ferment Lysate
(Skin Conditioning)
3
C15-19 Alkane
(Solvent)
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
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
Lactococcus Ferment Lysate
(Skin Conditioning)
3
B
Sodium Acrylates Copolymer
(Binding Agent, Film Forming, Viscosity Increasing Agent, Binding, Opacifying, Viscosity Controlling)
1
A
Inulin
(Humectant, Skin Conditioning)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
Prunus Amygdalus Dulcis Oil
(Skin Conditioning)
2
3
B
Myristyl Myristate
(Emollient, Opacifying, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Phytosphingosine
(Hair Conditioning, Skin Conditioning)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
Ceramide AP
(Hair Conditioning, Skin Conditioning)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
Ceramide EOP
(Hair Conditioning, Skin Conditioning)
1
Alpha-Glucan Oligosaccharide
(Cleansing, Skin Conditioning, Smoothing)
1
Carnosine
(Skin Conditioning)
1
A
Copper Tripeptide-1
(Skin Conditioning)
1
Acetyl Dipeptide-1 Cetyl Ester
(Hair Conditioning, Skin Conditioning)
Baicalin
(Antioxidant, Skin Conditioning)
1
Ectoin
(Buffering Agent, Skin Conditioning, Emollient)
1
Tremella Fuciformis Sporocarp Extract
(Antioxidant, Hair Conditioning, Humectant, Skin Conditioning)
1
A
Hydrolyzed Jojoba Esters
(Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning Agent Occlusive, Emulsifying, Surfactant, Skin Conditioning)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Acetic Acid
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
Sodium Lauroyl Lactylate
(Emulsifying, Surfactant)
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
1
A
Sorbitan Laurate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Sodium Phytate
(Chelating Agent, Oral Care Agent)
1
Phenylpropanol
(Masking, Perfuming, Solvent)
1
Levulinic Acid
(Fragrance, Skin Conditioning, Perfuming)
1
Sodium Levulinate
(Skin Conditioning)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben

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

Ceramides
Locks in moisture and supports skin barrier.
Antioxidants
Shields skin from free radical damage.
Peptides
Supports skin hydration and improves firmness.
Vitamin E
Protects skin and soothes irritation.
Azelaic Acid
Gently exfoliates and reduces inflammation.
Ectoin
Protects against environmental stress and aging.
Show all 6 key ingredients

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.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
BrighteningRestores radiance to dull, tired skin.
Dark SpotsFades dark spots for even skin tone.

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Azelaic Acid
Fragrance, Ph adjuster
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragrancePh adjusterBuffering agentMasking
Bifida Ferment Lysate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
C15-19 Alkane
Solvent
Low-to-moderate hazard.Read moreShow less
EWG 3 Solvent
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Lactococcus Ferment Lysate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sodium Acrylates Copolymer
Binding agent, Film forming
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Binding agentFilm formingViscosity increasing agentBindingOpacifyingViscosity controlling
Inulin
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A HumectantSkin conditioning
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Prunus Amygdalus Dulcis Oil
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Phytosphingosine
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Cholesterol
Emulsion stabilising, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingSkin conditioningViscosity increasing agentEmollientEmulsifyingStabilisingViscosity controlling
Ceramide AP
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioning
Ceramide NP
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Ceramide EOP
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioning
+ 26 more — see the full ingredients list above
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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Myristyl Myristate
Emollient, Opacifying
Potentially comedogenic - can block poresRead moreShow less
EWG 2–3 CIR B EmollientOpacifyingSkin conditioning Bad for Oily Skin
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Sorbitan Laurate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Where it fits: Apply near the end of your routine, after thinner serums.
  • 2 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

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.

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Lactic 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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