pH Sensitive Coffein Shampoo S1

Alpecin

pH Sensitive Coffein Shampoo S1

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About this product

The Alpecin pH Sensitive Coffein Shampoo S1 is a misc. Our analysis of its 20 ingredients (19 low-risk) rates it Excellent (100/100). 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
20
Low-risk
19
Fragrance
Contains fragrance
Origin
Germany
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 1/4
Good for dry skin
Zinc PCA
Caution for dry skin
Laureth-2 Sodium Laureth Sulfate Sodium Lauroyl Sarcosinate PEG-3 Distearate
Oily/Acne-Prone Skin No data
Sensitive Skin 1/6
Good for sensitive skin
Allantoin
Caution for sensitive skin
Sodium Citrate Sodium Chloride Caffeine Citric Acid Sodium Benzoate Potassium Sorbate

Ingredients list

20 total
Lower hazard (1) Higher hazard (3)
All20 Skin Conditioning9 Emulsifying5 Masking5 Fragrance5 Foaming4 Surfactant4 Hair Conditioning4 Cleansing3
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
3
B
PEG-3 Distearate
(Emulsifying, Surfactant)
2
B
Disodium Laureth Sulfosuccinate
(Sufactant, Foam Boosting, Hydrotrope, Foaming)
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
1
A
Sodium Cocoamphoacetate
(Hair Conditioning, Sufactant, Foam Boosting, Foaming)
3
B
Sodium Lauroyl Sarcosinate
(Antistatic Agent, Cleansing, Emulsifying, Foaming, Hair Conditioning, Skin Conditioning, Surfactant, Viscosity Controlling)
1
Caffeine
(Fragrance, Skin Conditioning, Masking)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
3
B
Laureth-2
(Cleansing, Emulsifying, Surfactant)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
3
A
PEG-120 Methyl Glucose Dioleate
(Sufactant, Emulsifying)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Polyquaternium-10
(Antistatic Agent, Film Forming, Hair Fixing)
3
Zinc PCA
(Skin Conditioning, Humectant)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
3
A
Potassium Sorbate
(Fragrance, Preservative)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
PARFUM
(Fragrance, Perfuming)

My Ingredient Notes

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Key ingredients

Niacinamide
Strengthens, smooths, and brightens skin.
Zinc
Helps control oil and supports healing.

Benefits

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.
Acne FightingFights acne and helps prevent breakouts.
Anti-AgingSoftens lines and helps skin look youthful.
HydratingBoosts hydration and relieves dry, tight skin.
Good For Oily SkinBalances oil and helps reduce shine.

Concerns

Contains sulfate
May not suit dry skin
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
PEG-3 Distearate
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant
Disodium Laureth Sulfosuccinate
Sufactant, Foam boosting
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B SufactantFoam boostingHydrotropeFoaming
Sodium Chloride
Bulking agent, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 Bulking agentMaskingOral care agentViscosity controlling
Sodium Cocoamphoacetate
Hair conditioning, Sufactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSufactantFoam boostingFoaming
Sodium Lauroyl Sarcosinate
Antistatic agent, Cleansing
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Antistatic agentCleansingEmulsifyingFoamingHair conditioningSkin conditioningSurfactantViscosity controlling
Caffeine
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSkin conditioningMasking
Laureth-2
Cleansing, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B CleansingEmulsifyingSurfactant
Sodium Citrate
Ph adjuster, Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Ph adjusterBuffering agentChelatingMasking
PEG-120 Methyl Glucose Dioleate
Sufactant, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A SufactantEmulsifying
Polyquaternium-10
Antistatic agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentFilm formingHair fixing
Zinc PCA
Skin conditioning, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 Skin conditioningHumectant
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Potassium Sorbate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservative
Sodium Benzoate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservativeAnticorrosiveMasking
+ 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
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
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
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin

How to use

How to use

  • 1 Morning & evening: Suitable for both AM and PM use.

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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