Full Density Shampoo

Biolage

Where to buy Possibly in stock

About this product

The Biolage Full Density Shampoo is a misc. Our analysis of its 33 ingredients (18 low-risk) rates it Great (77/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
33
Low-risk
18
Fragrance
Contains fragrance
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 2/6
Good for dry skin
Glycol Distearate Zinc PCA
Caution for dry skin
Salicylic Acid Hexylene Glycol Sodium Laureth Sulfate Sodium Hydroxide Alcohol Denat. Sodium Lauryl Sulfate
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Salicylic Acid Alcohol Denat.
Sensitive Skin 0/16
Caution for sensitive skin
Sodium Citrate Sodium Chloride Salicylic Acid Hexylene Glycol Citric Acid Alcohol Denat. Linalool Benzyl Alcohol Alpha-Isomethyl Ionone Hexyl Cinnamal Limonene Methylisothiazolinone Isoeugenol Geraniol Coumarin Amyl Cinnamal

Ingredients list

33 total
Lower hazard (1) Higher hazard (7)
All33 Skin Conditioning12 Masking11 Fragrance11 Viscosity Controlling6 Hair Conditioning6 Perfuming5 Solvent5 Preservative4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3
Sodium Laureth Sulfate
(Cleansing, Emulsifying, Foaming, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
Sulfate
Sulfate
1
2
Sodium Lauryl Sulfate
(Cleansing, Denaturant, Emulsifying, Foaming, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
Sulfate
Sulfate
1
B
Coco-Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
PARFUM
(Fragrance, Perfuming)
1
A
Glycol Distearate
(Opacifying, Viscosity Increasing Agent, Emollient, Emulsifying, Skin Conditioning, Viscosity Controlling)
Fungal Acne
Fungal Acne Trigger
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Polyquaternium-30
(Antistatic Agent, Film Forming, Hair Fixing)
1
A
Hydroxypropyl Guar Hydroxypropyltrimonium Chloride
(Antistatic Agent, Hair Conditioning)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Hexyl Cinnamal
(Fragrance, Masking)
Allergens
Allergens
7
Coumarin
(Fragrance, Masking)
Allergens
Allergens
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
1
Magnesium Nitrate
(Hair Conditioning)
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
4
B
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
Amyl Cinnamal
(Perfuming)
Allergens
Allergens
3
Zinc PCA
(Skin Conditioning, Humectant)
1
A
Biotin
(Hair Conditioning, Skin Conditioning, Antiseborrhoeic)
1
Safflower Glucoside
(Hair Conditioning)
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
7
Isoeugenol
(Flavoring Agent, Fragrance, Masking)
Allergens
Allergens
5
Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning)
Allergens
Allergens
6
B
Methylchloroisothiazolinone
(Preservative)
1
Magnesium Chloride
(Viscosity Controlling)
7
B
Methylisothiazolinone
(Preservative)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)

My Ingredient Notes

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Key ingredients

AHA
Exfoliates skin for a brighter complexion.
BHA
Unclogs pores and reduces excess oil.
Vitamin E
Protects skin and soothes irritation.
Zinc
Helps control oil and supports healing.
Antioxidants
Shields skin from free radical damage.

Benefits

BrighteningRestores radiance to dull, tired skin.
Acne FightingFights acne and helps prevent breakouts.
Good For Oily SkinBalances oil and helps reduce shine.
Reduces Large PoresMinimizes the look of enlarged pores.
Redness ReducingSoothes visible redness and calms irritation.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
HydratingBoosts hydration and relieves dry, tight skin.

Concerns

Contains sulfate
Contains eu allergen
Not fungal acne (malassezia) safe
Coumarin — higher EWG
Geraniol — higher EWG
Isoeugenol — higher EWG
May not suit dry skin
May not suit sensitive skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Coco-Betaine
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antistatic agentHair conditioningSkin conditioningSufactantFoam boostingViscosity increasing agentViscosity controlling
Hexylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentEmulsifyingPerfumingSkin conditioningSurfactant
Sodium Chloride
Bulking agent, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 Bulking agentMaskingOral care agentViscosity controlling
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Sodium Hydroxide
Denaturant, Ph adjuster
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantPh adjusterBuffering agent
Polyquaternium-30
Antistatic agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Antistatic agentFilm formingHair fixing
Hydroxypropyl Guar Hydroxypropyltrimonium Chloride
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioning
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Magnesium Nitrate
Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioning
Zinc PCA
Skin conditioning, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 Skin conditioningHumectant
Biotin
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningAntiseborrhoeic
Safflower Glucoside
Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioning
Magnesium Chloride
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Viscosity controlling
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
+ 1 more — see the full ingredients list above
Sodium Laureth Sulfate
Cleansing, Emulsifying
Potentially comedogenic - can block poresRead moreShow less
EWG 3 CleansingEmulsifyingFoamingSurfactant Bad for Oily SkinSulfate
Sodium Lauryl Sulfate
Cleansing, Denaturant
Potentially comedogenic - can block poresRead moreShow less
EWG 1–2 CleansingDenaturantEmulsifyingFoamingSurfactant Bad for Oily SkinSulfate
Glycol Distearate
Opacifying, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A OpacifyingViscosity increasing agentEmollientEmulsifyingSkin conditioningViscosity controlling Fungal-acne trigger
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
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Hexyl Cinnamal
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Coumarin
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMasking Allergens
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Salicylic Acid
Antiacne agent, Antidandruff agent
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B Antiacne agentAntidandruff agentCorn/callus/wart removerDenaturantExfoliantFragranceHair conditioningSkin conditioningKeratolyticMaskingPreservative Good for Oily SkinBad for Sensitive Skin
Amyl Cinnamal
Perfuming
Limited public safety data.Read moreShow less
EWG N/A Perfuming Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
Isoeugenol
Flavoring agent, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 Flavoring agentFragranceMasking Allergens
Alpha-Isomethyl Ionone
Perfuming, Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5 PerfumingSkin conditioning Allergens
+ 2 more — see the full ingredients list above

How to use

How to use

  • 1 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 2 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

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Use with caution
BHA (salicylic) (Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Salicylic 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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