Hydrating Therapy Conditioner

BioSilk

Hydrating Therapy Conditioner

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About this product

The BioSilk Hydrating Therapy Conditioner is a misc. Our analysis of its 38 ingredients (30 low-risk) rates it Excellent (93/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
38
Low-risk
30
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 13/9
Good for dry skin
Passiflora Edulis Seed Oil Anhydroxylitol Cetearyl Alcohol Cetyl Alcohol Xylitol Xylitylglucoside Caprylyl Glycol Butylene Glycol Glycerin Propylene Glycol Dicaprylate/Dicaprate PPG-1 Trideceth-6 Hydrolyzed Silk Dimethicone
Caution for dry skin
Decyl Glucoside Cetyl Alcohol Stearamidopropyl Dimethylamine Glycerin Trideceth-10 PPG-1 Trideceth-6 Hexylene Glycol Dicetyldimonium Chloride Cetrimonium Chloride
Oily/Acne-Prone Skin 0/1
Caution for oily/acne-prone skin
Propylene Glycol Dicaprylate/Dicaprate
Sensitive Skin 2/11
Good for sensitive skin
Glycerin Dimethicone
Caution for sensitive skin
Cetyl Alcohol Butylene Glycol Glycerin Hexylene Glycol Citric Acid Potassium Sorbate Phenoxyethanol Linalool Hexyl Cinnamal Limonene Benzyl Benzoate

Ingredients list

38 total
Lower hazard (1) Higher hazard (6)
All38 Skin Conditioning20 Fragrance12 Hair Conditioning11 Antistatic Agent9 Humectant9 Surfactant8 Emulsifying8 Emollient7
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
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
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
B
Stearamidopropyl Dimethylamine
(Antistatic Agent, Emulsifying, Hair Conditioning, Surfactant)
3
B
Behentrimonium Chloride
(Antistatic Agent, Hair Conditioning, Preservative)
3
Bisamino PEG/PPG-41/3 Aminoethyl PG-Propyl Dimethicone
(Hair Conditioning)
1
A
Amodimethicone
(Antistatic Agent, Hair Conditioning)
Silicone
Silicone
1
A
Passiflora Edulis Seed Oil
(Emollient)
1
Hydrolyzed Quinoa
(Skin Conditioning)
1
A
Hydrolyzed Silk
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
4
B
Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
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
B
Trideceth-10
(Emulsifying, Surfactant)
1
B
Polyquaternium-37
(Antistatic Agent, Film Forming, Hair Fixing)
1
B
Propylene Glycol Dicaprylate/Dicaprate
(Skin Conditioning Agent Occlusive, Emollient)
1
PCA Dimethicone
(Hair Conditioning, Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
A
Potassium Sorbate
(Fragrance, Preservative)
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)
1
Xylitylglucoside
(Humectant, Skin Conditioning)
1
Anhydroxylitol
(Humectant, Skin Conditioning)
1
B
PPG-1 Trideceth-6
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Xylitol
(Flavoring Agent, Humectant, Skin Conditioning)
1
B
Decyl Glucoside
(Cleansing, Emulsion Stabilising, Surfactant)
PARFUM
(Fragrance, Perfuming)
6
A
Benzyl Benzoate
(Fragrance, Solvent, Antimicrobial, Masking)
Allergens
Allergens
5
Hexyl Cinnamal
(Fragrance, Masking)
Allergens
Allergens
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens

My Ingredient Notes

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Key ingredients

AHA
Exfoliates skin for a brighter complexion.
Vitamin E
Protects skin and soothes irritation.
Antioxidants
Shields skin from free radical damage.
Exfoliators
Removes dead skin cells to smoothe texture.

Benefits

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

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe
May not suit oily/acne-prone skin
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
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
Stearamidopropyl Dimethylamine
Antistatic agent, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antistatic agentEmulsifyingHair conditioningSurfactant
Behentrimonium Chloride
Antistatic agent, Hair conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Antistatic agentHair conditioningPreservative
Bisamino PEG/PPG-41/3 Aminoethyl PG-Propyl Dimethicone
Hair conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 Hair conditioning
Passiflora Edulis Seed Oil
Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emollient
Hydrolyzed Quinoa
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Hydrolyzed Silk
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningAntistatic agentHumectant
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
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-10
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmulsifyingSurfactant
+ 11 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
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
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Glycolic Acid
Exfoliant, Ph adjuster
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantPh adjusterBuffering agent Good for Oily SkinBad for Sensitive Skin
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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good 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
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens

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

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.

Glycolic 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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