2.5% Extra Strength Antidandruff Shampoo

Selsun Blue

2.5% Extra Strength Antidandruff Shampoo

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About this product

The Selsun Blue 2.5% Extra Strength Antidandruff Shampoo is a misc. Our analysis of its 15 ingredients (12 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry 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
15
Low-risk
12
Fragrance
Contains fragrance
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe Minimal Ingredients

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 2/2
Good for dry skin
Glycol Distearate Glyceryl Caprylate/Caprate
Caution for dry skin
Sodium Methyl Cocoyl Taurate Ammonium Lauryl Sulfate
Oily/Acne-Prone Skin No data
Sensitive Skin 1/3
Good for sensitive skin
Hydroxyacetophenone
Caution for sensitive skin
Sodium Citrate Sodium Chloride Citric Acid

Ingredients list

15 total
Lower hazard (1) Higher hazard (4)
All15 Viscosity Controlling4 Hair Conditioning3 Skin Conditioning3 Masking3 Emollient2 Emulsifying2 Viscosity Increasing Agent2 Foam Boosting2
EWG CIR Ingredient Name & Cosmetic Functions Notes
Selenium Sulfide
(Anti Seborrheic, Hair Conditioning)
1
B
Ammonium Lauryl Sulfate
(Cleansing, Foaming, Surfactant)
Sulfate
Sulfate
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
4
B
Cocamidopropyl Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling)
PARFUM
(Fragrance, Perfuming)
3
Glyceryl Caprylate/Caprate
(Emollient, Emulsifying)
1
A
Glycol Distearate
(Opacifying, Viscosity Increasing Agent, Emollient, Emulsifying, Skin Conditioning, Viscosity Controlling)
Fungal Acne
Fungal Acne Trigger
1
Hydroxyacetophenone
(Antioxidant)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling)
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
1
B
Sodium Methyl Cocoyl Taurate
(Cleansing, Foaming, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
3
Titanium Dioxide
(Cosmetic Colorant, Opacifying, Sunscreen Agent, Uv Absorber)
Good for Sensitive Skin
Good for Sensitive Skin
1
Water
(Solvent)

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
Glyceryl Caprylate/Caprate
Emollient
Glycol Distearate
Emollient, Skin Conditioning
Hydroxyacetophenone
Antioxidant
Niacinamide
Skin Conditioning
Titanium Dioxide
Uv Absorber

Benefits

No standout benefits flagged for this product.

Concerns

Contains sulfate
Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Selenium Sulfide
Anti seborrheic, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicHair conditioning
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
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Glyceryl Caprylate/Caprate
Emollient, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 EmollientEmulsifying
Hydroxyacetophenone
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Polyacrylate Crosspolymer-6
Emulsion stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity controlling
Sodium Chloride
Bulking agent, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 Bulking agentMaskingOral care agentViscosity controlling
Sodium Citrate
Ph adjuster, Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Ph adjusterBuffering agentChelatingMasking
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Ammonium Lauryl Sulfate
Cleansing, Foaming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingFoamingSurfactant Sulfate
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
Glycol Distearate
Opacifying, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A OpacifyingViscosity increasing agentEmollientEmulsifyingSkin conditioningViscosity controlling Fungal-acne trigger
Sodium Methyl Cocoyl Taurate
Cleansing, Foaming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingFoamingSurfactant Fungal-acne trigger
Titanium Dioxide
Cosmetic colorant, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Cosmetic colorantOpacifyingSunscreen agentUv absorber Good for Sensitive Skin

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.

Trust & honesty

Effective levels — general guide

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

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

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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