Inside Out 2: One of a Kind 3-Step Barrier Boost Routine

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Inside Out 2: One of a Kind 3-Step Barrier Boost Routine

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About this product

The Bubble Inside Out 2: One of a Kind 3-Step Barrier Boost Routine is a treatment. Our analysis of its 73 ingredients (55 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
Treatments
Ingredients
73
Low-risk
55
Fragrance
Fragrance-free
Origin
United States
Status
Discontinued
Data updated
Jun 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 25/14
Good for dry skin
Gluconolactone Glyceryl Stearate Glyceryl Acrylate/Acrylic Acid Copolymer Dicaprylyl Carbonate Diheptyl Succinate Saccharide Isomerate Cetearyl Alcohol Cetyl Alcohol Cetyl Ethylhexanoate Sodium Hyaluronate Crosspolymer Sucrose Squalane Oleic Acid Isododecane Caprylic/Capric Triglyceride Butylene Glycol Sodium Hyaluronate Glycerin Polyglyceryl-4 Isostearate Fructose Sodium Lactate Glyceryl Behenate Lactic Acid Lecithin Opuntia Ficus-Indica Seed Oil
Caution for dry skin
Disodium Cocoyl Glutamate Lauryl Glucoside Maltodextrin Cetyl Alcohol Sodium Cocoyl Glutamate Sorbitan Olivate Sorbitan Isostearate Oleic Acid Xanthan Gum Glycerin Polyglyceryl-4 Isostearate Glyceryl Behenate Lecithin Anastatica Hierochuntica Extract
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Anastatica Hierochuntica Extract
Sensitive Skin 5/15
Good for sensitive skin
Sucrose Capryloyl Glycerin/Sebacic Acid Copolymer Glycerin Tocopheryl Acetate Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Gluconolactone Beta-Sitosterol Cetyl Alcohol Sodium Citrate Oleic Acid Isododecane Caffeine Caprylic/Capric Triglyceride Butylene Glycol Glycerin Citric Acid Sodium Benzoate Potassium Sorbate Lactic Acid Phenoxyethanol

Ingredients list

73 total
Lower hazard (1) Higher hazard (4)
All73 Skin Conditioning49 Fragrance15 Emollient14 Humectant14 Emulsion Stabilising13 Viscosity Controlling12 Emulsifying9 Surfactant9
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
2
B
Acrylates/Steareth-20 Methacrylate Copolymer
(Viscosity Controlling)
1
B
Disodium Cocoyl Glutamate
(Cleansing, Surfactant)
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
B
Sodium Cocoyl Glutamate
(Cleansing, Surfactant)
Lavandula Angustifolia Flower Water
(Skin Conditioning)
Mentha Viridis Leaf Extract
(Flavouring, Fragrance, Perfuming)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
HYDROLYZED RHODOPHYCEAE EXTRACT
(Not Reported)
1
Caffeine
(Fragrance, Skin Conditioning, Masking)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Gluconolactone
(Fragrance, Humectant, Solvent)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Saccharide Isomerate
(Humectant)
1
Capryloyl Glycerin/Sebacic Acid Copolymer
(Film Forming, Hair Conditioning, Skin Conditioning, Skin Protecting)
1
Diheptyl Succinate
(Emollient, Skin Conditioning)
Tremella Fuciformis Extract
(Humectant, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning)
1
A
Palmitoyl Tripeptide-1
(Skin Conditioning)
1
A
Palmitoyl Tetrapeptide-7
(Skin Conditioning)
1
Glyceryl Acrylate/Acrylic Acid Copolymer
(Humectant, Viscosity Controlling)
Opuntia Ficus-Indica Seed Oil
(Emollient)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
B
Lauryl Glucoside
(Cleansing, Surfactant)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
3
B
Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic)
1
Phytic Acid
(Chelating Agent, Oral Care Agent)
1
B
Cetearyl Olivate
(Hair Conditioning)
1
A
Sorbitan Olivate
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Cetyl Alcohol
(Emulsion Stabilising, Fragrance, Opacifying, Emulsifying, Surfactant, Foam Boosting, Viscosity Increasing Agent, Emollient, Masking, Viscosity Controlling)
1
A
Sucrose
(Flavoring Agent, Humectant, Skin Conditioning, Soothing)
Anastatica Hierochuntica Extract
(Astringent, Skin Conditioning)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
Euphorbia Cerifera Cera
(Astringent, Emulsion Stabilising, Film Forming, Perfuming, Skin Conditioning, Viscosity Controlling)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
A
Beta-Sitosterol
(Emulsion Stabilising, Masking, Skin Conditioning, Stabilising)
4
A
Glyceryl Behenate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
B
Polyglyceryl-4 Isostearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Oleic Acid
(Fragrance, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Oleic Acid., Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
Ceramide NG
(Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
3
B
Potassium Hydroxide
(Ph Adjuster, Buffering Agent)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, 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
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
B
Cetyl Ethylhexanoate
(Skin Conditioning, Emollient)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
Dicaprylyl Carbonate
(Skin Conditioning, Emollient)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
B
Isododecane
(Fragrance, Solvent, Emollient, Perfuming)
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
Syringa Vulgaris Extract
(Skin Conditioning, Tonic)
Trifolium Pratense Flower Extract
(Astringent, Fragrance)
1
Hibiscus Sabdariffa Flower Extract
(Skin Conditioning)
1
Withania Somnifera Root Extract
(Skin Conditioning)
Apium Graveolens Extract
(Skin Conditioning)
1
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Emulsion Stabilising, Viscosity Controlling)
1
Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling)
1
A
Fructose
(Flavoring Agent, Humectant)
1
A
Sorbitan Isostearate
(Emulsifying, Surfactant)
1
A
1,2-Hexanediol
(Solvent)
A
Biosaccharide Gum-4
(Skin Conditioning)
1
Polylysine
(Film Forming, Hair Conditioning)
3
A
Potassium Sorbate
(Fragrance, Preservative)

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

Vitamin E
Protects skin and soothes irritation.
Ceramides
Locks in moisture and supports skin barrier.
Hyaluronic Acid
Hydrates by attracting and holding water.
Peptides
Supports skin hydration and improves firmness.
Antioxidants
Shields skin from free radical damage.
PHA
Gently exfoliates and hydrates with less irritation.
Niacinamide
Strengthens, smooths, and brightens skin.
Show all 7 key ingredients

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
Redness ReducingSoothes visible redness and calms irritation.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
BrighteningRestores radiance to dull, tired skin.
Skin TextureSmooths rough patches and refines texture.

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
Acrylates/Steareth-20 Methacrylate Copolymer
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B Viscosity controlling
Disodium Cocoyl Glutamate
Cleansing, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingSurfactant
Sodium Cocoyl Glutamate
Cleansing, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingSurfactant
Lavandula Angustifolia Flower Water
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Mentha Viridis Leaf Extract
Flavouring, Fragrance
Limited public safety data.Read moreShow less
EWG N/A FlavouringFragrancePerfuming
HYDROLYZED RHODOPHYCEAE EXTRACT
Not reported
Limited public safety data.Read moreShow less
EWG N/A Not reported
Caffeine
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSkin conditioningMasking
Gluconolactone
Fragrance, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHumectantSolvent
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Saccharide Isomerate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Capryloyl Glycerin/Sebacic Acid Copolymer
Film forming, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Film formingHair conditioningSkin conditioningSkin protecting
+ 46 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
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good 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
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Sorbitan Olivate
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmulsifyingSurfactant Fungal-acne trigger
Glyceryl Behenate
Skin conditioning, Emollient
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A Skin conditioningEmollientEmulsifyingSurfactant Fungal-acne trigger
Oleic Acid
Fragrance, Sufactantsurfactant-cleansing agent is included as a function for the soap form of oleic acid.
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSufactantsurfactant-cleansing agent is included as a function for the soap form of oleic acid.EmollientEmulsifying Fungal-acne trigger
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
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 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.

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

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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