Quantum Clarifying Shampoo

Zotos Professional

Where to buy Possibly in stock

About this product

The Zotos Professional Quantum Clarifying Shampoo is a misc. Our analysis of its 19 ingredients (12 low-risk) rates it Excellent (88/100). Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
19
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

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 1/3
Good for dry skin
Glycerin
Caution for dry skin
Glycerin Cocamide Sodium Laureth Sulfate
Oily/Acne-Prone Skin No data
Sensitive Skin 2/4
Good for sensitive skin
Glycerin Tocopheryl Acetate
Caution for sensitive skin
Sodium Chloride Glycerin Citric Acid DMDM Hydantoin

Ingredients list

19 total
Lower hazard (1) Higher hazard (7)
All19 Skin Conditioning7 Fragrance3 Viscosity Controlling3 Hair Conditioning3 Perfuming2 Humectant2 Uv Filter2 Uv Absorber2
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
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
1
Cocamide
(Emulsifying, Emulsion Stabilising, Surfactant, Viscosity Controlling)
1
Hydrolyzed Vegetable Protein PG-Propyl Silanetriol
(Hair Conditioning, Skin Conditioning)
Prunus Amygdalus Dulcis Bud Extract
(Skin Conditioning)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
4
B
Cocamidopropyl Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling)
2
A
Tetrasodium EDTA
(Chelating Agent)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Polyquaternium-10
(Antistatic Agent, Film Forming, Hair Fixing)
4
6
B
Iodopropynyl Butylcarbamate
(Preservative)
Retinyl Palmitate
(Skin Conditioning, Skin Conditioning Miscellaneous)
2
Butyl Methoxydibenzoylmethane
(Uv Absorber, Uv Filter)
6
Ethylhexyl Methoxycinnamate
(Uv Absorber, Uv Filter)
Bad for Oily Skin
Bad for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
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
7
A
DMDM Hydantoin
(Preservative)
PARFUM
(Fragrance, Perfuming)
3
CI 60730
(Cosmetic Colorant)

My Ingredient Notes

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Key ingredients

Hydrolyzed Vegetable Protein PG-Propyl Silanetriol
Skin Conditioning
Prunus Amygdalus Dulcis Bud Extract
Skin Conditioning
Tocopheryl Acetate
Antioxidant, Skin Conditioning
Cocamidopropyl Betaine
Skin Conditioning
Retinyl Palmitate
Skin Conditioning
Butyl Methoxydibenzoylmethane
Uv Absorber, Uv Filter

Benefits

No standout benefits flagged for this product.

Concerns

Contains sulfate
Not fungal acne (malassezia) safe
DMDM Hydantoin — 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
Sodium Chloride
Bulking agent, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 Bulking agentMaskingOral care agentViscosity controlling
Cocamide
Emulsifying, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 EmulsifyingEmulsion stabilisingSurfactantViscosity controlling
Hydrolyzed Vegetable Protein PG-Propyl Silanetriol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Prunus Amygdalus Dulcis Bud Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin 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
Tetrasodium EDTA
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Chelating agent
Polyquaternium-10
Antistatic agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentFilm formingHair fixing
Retinyl Palmitate
Skin conditioning, Skin conditioning miscellaneous
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning miscellaneous
Butyl Methoxydibenzoylmethane
Uv absorber, Uv filter
Low-hazard ingredient.Read moreShow less
EWG 2 Uv absorberUv filter
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
CI 60730
Cosmetic colorant
Low-to-moderate hazard.Read moreShow less
EWG 3 Cosmetic colorant
Sodium Laureth Sulfate
Cleansing, Emulsifying
Potentially comedogenic - can block poresRead moreShow less
EWG 3 CleansingEmulsifyingFoamingSurfactant Bad for Oily SkinSulfate
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily 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
Iodopropynyl Butylcarbamate
Preservative
Moderate-hazard ingredient.Read moreShow less
EWG 4–6 CIR B Preservative
Ethylhexyl Methoxycinnamate
Uv absorber, Uv filter
Potentially a skin irritantRead moreShow less
EWG 6 Uv absorberUv filter Bad for Oily SkinBad for Sensitive 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
DMDM Hydantoin
Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A Preservative

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.
  • 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.

Often avoided
Retinoids (Vitamin A) (Retinyl Palmitate)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

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.

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinyl Palmitate

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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