Shampoo

Hikaruko

Where to buy Possibly in stock

About this product

The Hikaruko Shampoo is a emulsion. Our analysis of its 41 ingredients (23 low-risk) rates it Excellent (92/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
41
Low-risk
23
Fragrance
Fragrance-free
Origin
Japan

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 9/8
Good for dry skin
Eicosapentaenoic Acid Caprylic/Capric Triglyceride Butylene Glycol Glycerin Cholesterol Polyquaternium-64 Hydroxypropyltrimonium Hyaluronate Hydrolyzed Silk Poly(Tripeptide-6)
Caution for dry skin
Sodium Lauroyl Lactylate Xanthan Gum Glycerin Salicylic Acid Alcohol Ceteareth-60 Myristyl Glycol Laureth-6 Carboxylic Acid Sodium Taurine Cocoyl Methyltaurate
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Salicylic Acid Alcohol
Sensitive Skin 1/11
Good for sensitive skin
Glycerin
Caution for sensitive skin
Sodium Citrate Sodium Chloride Caprylic/Capric Triglyceride Butylene Glycol Glycerin Salicylic Acid Alcohol Sodium Benzoate Phenoxyethanol Cocamide DEA Ceteareth-60 Myristyl Glycol

Ingredients list

41 total
Lower hazard (1) Higher hazard (7)
All41 Skin Conditioning25 Hair Conditioning12 Viscosity Controlling8 Humectant7 Fragrance7 Masking7 Foam Boosting6 Emulsion Stabilising6
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
7
B
Cocamide DEA
(Foam Boosting, Viscosity Increasing Agent, Emulsifying, Emulsion Stabilising, Viscosity Controlling)
2
B
Disodium Laureth Sulfosuccinate
(Sufactant, Foam Boosting, Hydrotrope, Foaming)
Laureth-4 Carboxylic Acid
(Surfactant Cleansing)
4
B
Cocamidopropyl Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling)
B
Sodium Taurine Cocoyl Methyltaurate
(Cleansing, Emulsifying, Surfactant)
1
A
Polyquaternium-10
(Antistatic Agent, Film Forming, Hair Fixing)
1
Eicosapentaenoic Acid
(Skin Conditioning, Emollient)
Pyrrolidinyl Diaminopyrimidine Oxide
(Hair Waving Or Straightening)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
Lysine Lauroyl Glutamate
(Cleansing, Surfactant Cleansing, Surfactant Foam Boosting)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
Ceramide EOP
(Hair Conditioning, Skin Conditioning)
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
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
Poly(Tripeptide-6)
(Humectant)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
Laureth-6 Carboxylic Acid
(Cleansing, Surfactant)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
Tosyl Valine
(Hair Conditioning, Skin Conditioning)
2
Alcohol
(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-64
(Hair Conditioning, Humectant)
1
Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
Symphytum Officinale Leaf Extract
(Skin Conditioning)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
Hematin
(Hair Conditioning)
Gamma-Docosalactone
(Hair Conditioning, Skin Conditioning)
lavandula angustifolia oil
(Fragrance, Tonic)
1
Silk
(Bulking Agent)
1
Sodium Lauroyl Lactylate
(Emulsifying, Surfactant)
1
A
Hydrolyzed Silk
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
1
Phytosphingosine
(Hair Conditioning, Skin Conditioning)
3
7
Ceteareth-60 Myristyl Glycol
(Emulsifying, Surfactant)
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
Ceramide AP
(Hair Conditioning, Skin Conditioning)

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

Cocamidopropyl Betaine
Skin Conditioning
Eicosapentaenoic Acid
Skin Conditioning, Emollient
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Butylene Glycol
Skin Conditioning, Humectant
Cholesterol
Skin Conditioning, Emollient
Xanthan Gum
Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

Contains paraben
Not fungal acne (malassezia) safe
Cocamide DEA — higher EWG
Ceteareth-60 Myristyl Glycol — higher EWG
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
Disodium Laureth Sulfosuccinate
Sufactant, Foam boosting
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B SufactantFoam boostingHydrotropeFoaming
Laureth-4 Carboxylic Acid
Surfactant cleansing
Limited public safety data.Read moreShow less
EWG N/A Surfactant cleansing
Cocamidopropyl Betaine
Antistatic agent, Hair conditioning
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR B Antistatic agentHair conditioningSkin conditioningSufactantFoam boostingViscosity increasing agentViscosity controlling
Sodium Taurine Cocoyl Methyltaurate
Cleansing, Emulsifying
Limited public safety data.Read moreShow less
EWG N/A CIR B CleansingEmulsifyingSurfactant
Polyquaternium-10
Antistatic agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentFilm formingHair fixing
Eicosapentaenoic Acid
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollient
Pyrrolidinyl Diaminopyrimidine Oxide
Hair waving or straightening
Limited public safety data.Read moreShow less
EWG N/A Hair waving or straightening
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Lysine Lauroyl Glutamate
Cleansing, Surfactant cleansing
Limited public safety data.Read moreShow less
EWG N/A CleansingSurfactant cleansingSurfactant foam boosting
Cholesterol
Emulsion stabilising, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingSkin conditioningViscosity increasing agentEmollientEmulsifyingStabilisingViscosity controlling
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Ceramide EOP
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioning
+ 19 more — see the full ingredients list above
Cocamide DEA
Foam boosting, Viscosity increasing agent
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR B Foam boostingViscosity increasing agentEmulsifyingEmulsion stabilisingViscosity controlling
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry 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
Alcohol
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 2 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Ceteareth-60 Myristyl Glycol
Emulsifying, Surfactant
Higher-hazard ingredient.Read moreShow less
EWG 3–7 EmulsifyingSurfactant
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

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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