Mighty Biome Pre/Post Biotics + Barrier Aid™ Toner + Serum

Bliss

Mighty Biome Pre/Post Biotics + Barrier Aid™ Toner + Serum

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About this product

The Bliss Mighty Biome Pre/Post Biotics + Barrier Aid™ Toner + Serum is a serums, essence, ampoule. Our analysis of its 32 ingredients (24 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
32
Low-risk
24
Fragrance
Fragrance-free
Origin
United States
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 7/4
Good for dry skin
Squalane Caprylic/Capric Triglyceride Caprylyl Glycol Glycerin Cocoglycerides Zinc PCA Lactic Acid
Caution for dry skin
Sodium Stearoyl Glutamate Glycerin Hydrogenated Phosphatidylcholine Hexylene Glycol
Oily/Acne-Prone Skin No data
Sensitive Skin 2/8
Good for sensitive skin
Glycerin Allantoin
Caution for sensitive skin
Sodium Chloride Caprylic/Capric Triglyceride Glycerin Hexylene Glycol Citric Acid Sodium Benzoate Lactic Acid Phenoxyethanol

Ingredients list

32 total
Lower hazard (1) Higher hazard (4)
All32 Skin Conditioning29 Fragrance7 Solvent6 Hair Conditioning6 Humectant5 Viscosity Controlling4 Emollient4 Emulsifying4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Cocoglycerides
(Skin Conditioning, Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Magnesium Carboxymethyl Beta-Glucan
(Skin Conditioning)
Lactococcus Ferment Lysate
(Skin Conditioning)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
2
Beta-Carotene
(Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
daucus carota sativa root extract
(Skin Conditioning)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
Glycine Soja Oil
(Perfuming, Skin Conditioning, Skin Conditioning Emollient)
3
Zinc PCA
(Skin Conditioning, Humectant)
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
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive 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
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Hydrogenated Phosphatidylcholine
(Skin Conditioning, Emulsifying, Surfactant)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
1
B
Sodium Stearoyl Glutamate
(Hair Conditioning, Skin Conditioning, Surfactant Cleansingagent, Emulsifying)
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Tetrasodium Glutamate Diacetate
(Chelating Agent)
3
A
Aminomethyl Propanol
(Ph Adjuster, Buffering Agent)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
2
A
Chlorphenesin
(Cosmetic Biocide, Antimicrobial, Preservative)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)

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.
Zinc
Helps control oil and supports healing.
Antioxidants
Shields skin from free radical damage.

Benefits

Barrier RepairStrengthen and restore your skin's natural barrier.
HydratingBoosts hydration and relieves dry, tight skin.
Redness ReducingSoothes visible redness and calms irritation.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
Anti-AgingSoftens lines and helps skin look youthful.
Dark SpotsFades dark spots for even skin tone.
Acne FightingFights acne and helps prevent breakouts.

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
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Magnesium Carboxymethyl Beta-Glucan
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Lactococcus Ferment Lysate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Ceramide NP
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
daucus carota sativa root extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Butyrospermum Parkii Butter
Skin conditioning, Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningViscosity controlling
Glycine Soja Oil
Perfuming, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A PerfumingSkin conditioningSkin conditioning emollient
Zinc PCA
Skin conditioning, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 Skin conditioningHumectant
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Hydrogenated Phosphatidylcholine
Skin conditioning, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmulsifyingSurfactant
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion stabilising, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingFilm formingViscosity controlling
+ 9 more — see the full ingredients list above
Cocoglycerides
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientEmulsifying Fungal-acne trigger
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Beta-Carotene
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 2 Skin conditioning Good for Dry 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
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
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
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
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

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.

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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