Silk Therapy Conditioner

BioSilk

Where to buy Possibly in stock

About this product

The BioSilk Silk Therapy Conditioner is a misc. Our analysis of its 30 ingredients (16 low-risk) rates it Excellent (84/100). Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
30
Low-risk
16
Fragrance
Contains fragrance
Origin
United States
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 3/5
Good for dry skin
Cetearyl Alcohol Cetyl Alcohol Hydrolyzed Silk
Caution for dry skin
Glyceryl Stearate SE Cetyl Alcohol Trideceth-8 Dicetyldimonium Chloride Cetrimonium Chloride
Oily/Acne-Prone Skin No data
Sensitive Skin 1/11
Good for sensitive skin
Anthemis Nobilis Flower Extract
Caution for sensitive skin
Cetyl Alcohol Anthemis Nobilis Flower Extract Citric Acid Phenoxyethanol Linalool Citronellol Alpha-Isomethyl Ionone Hexyl Cinnamal Benzyl Benzoate Methylisothiazolinone Benzophenone-3

Ingredients list

30 total
Lower hazard (1) Higher hazard (8)
All30 Skin Conditioning15 Fragrance9 Masking7 Antistatic Agent7 Hair Conditioning7 Emulsifying6 Surfactant5 Emulsion Stabilising4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Cetyl Alcohol
(Emulsion Stabilising, Fragrance, Opacifying, Emulsifying, Surfactant, Foam Boosting, Viscosity Increasing Agent, Emollient, Masking, Viscosity Controlling)
2
Dicetyldimonium Chloride
(Antistatic Agent, Emulsifying, Hair Conditioning, Surfactant)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
A
Glyceryl Stearate SE
(Emulsifying, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
Olea Europaea Fruit Oil
(Fragrance, Perfuming, Skin Conditioning)
PARFUM
(Fragrance, Perfuming)
1
A
Amodimethicone
(Antistatic Agent, Hair Conditioning)
Silicone
Silicone
1
A
Hydrolyzed Silk
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
1
B
Hydrolyzed Wheat Protein
(Film Forming, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
Hydrolyzed Wheat Protein PG-Propyl Silanetriol
(Hair Conditioning, Skin Conditioning)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
7
B
Methylisothiazolinone
(Preservative)
1
A
Guar Hydroxypropyltrimonium Chloride
(Antistatic Agent, Hair Conditioning, Viscosity Increasing Agent, Film Forming, Skin Conditioning, Viscosity Controlling)
3
B
Cetrimonium Chloride
(Antistatic Agent, Cosmetic Biocide, Emulsifying, Surfactant, Antimicrobial, Preservative)
1
Trideceth-8
(Emulsifying, Surfactant)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
8
Benzophenone-3
(Uv Absorber, Uv Filter)
Bad for Oily Skin
Bad for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Symphytum Officinale Leaf Extract
(Skin Conditioning)
1
Anthemis Nobilis Flower Extract
(Masking, Perfuming, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
Good for Dry Skin
Good for Dry Skin
Mentha Piperita Leaf Extract
(Skin Conditioning)
Lavandula Angustifolia Extract
(Skin Conditioning)
Salvia Sclarea Extract
(Anti Sebum, Astringent, Skin Conditioning, Soothing)
6
A
Benzyl Benzoate
(Fragrance, Solvent, Antimicrobial, Masking)
Allergens
Allergens
5
Hexyl Cinnamal
(Fragrance, Masking)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
5
Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning)
Allergens
Allergens
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
Soap Base

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

Cetyl Alcohol
Emollient
Cetearyl Alcohol
Emollient
Olea Europaea Fruit Oil
Skin Conditioning
Hydrolyzed Silk
Skin Conditioning, Humectant
Hydrolyzed Wheat Protein
Skin Conditioning
Hydrolyzed Wheat Protein PG-Propyl Silanetriol
Skin Conditioning

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Reduces IrritationEases discomfort and supports skin resilience.
Redness ReducingSoothes visible redness and calms irritation.
Scar HealingImproves the look of marks and scars.
Barrier RepairStrengthen and restore your skin's natural barrier.

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Methylisothiazolinone — higher EWG
Benzophenone-3 — 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
Cetyl Alcohol
Emulsion stabilising, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingFragranceOpacifyingEmulsifyingSurfactantFoam boostingViscosity increasing agentEmollientMaskingViscosity controlling
Dicetyldimonium Chloride
Antistatic agent, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 2 Antistatic agentEmulsifyingHair conditioningSurfactant
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Olea Europaea Fruit Oil
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioning
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Hydrolyzed Silk
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningAntistatic agentHumectant
Hydrolyzed Wheat Protein
Film forming, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Film formingHair conditioningSkin conditioningAntistatic agent
Hydrolyzed Wheat Protein PG-Propyl Silanetriol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Guar Hydroxypropyltrimonium Chloride
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningViscosity increasing agentFilm formingSkin conditioningViscosity controlling
Cetrimonium Chloride
Antistatic agent, Cosmetic biocide
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Antistatic agentCosmetic biocideEmulsifyingSurfactantAntimicrobialPreservative
Trideceth-8
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 EmulsifyingSurfactant
Symphytum Officinale Leaf Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Mentha Piperita Leaf Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Lavandula Angustifolia Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
+ 2 more — see the full ingredients list above
Glyceryl Stearate SE
Emulsifying, Surfactant
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A EmulsifyingSurfactant Bad for Oily Skin
Amodimethicone
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioning Silicone
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Methylisothiazolinone
Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR B Preservative
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
Benzophenone-3
Uv absorber, Uv filter
Potentially a skin irritantRead moreShow less
EWG 8 Uv absorberUv filter Bad for Oily SkinBad for Sensitive Skin
Anthemis Nobilis Flower Extract
Masking, Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingPerfumingSkin conditioning Good for Sensitive SkinGood for Dry Skin
Benzyl Benzoate
Fragrance, Solvent
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A FragranceSolventAntimicrobialMasking Allergens
Hexyl Cinnamal
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Alpha-Isomethyl Ionone
Perfuming, Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5 PerfumingSkin conditioning Allergens
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens

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.

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