Signature Scalp Balancing Shampoo
The Sunday || Sunday Signature Scalp Balancing Shampoo is a misc. Our analysis of its 33 ingredients (22 low-risk) rates it Excellent (92/100). Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Sunday || Sunday Signature Scalp Balancing Shampoo is a misc. Our analysis of its 33 ingredients (22 low-risk) rates it Excellent (92/100). Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Sodium C14-16 Olefin Sulfonate
(Cleansing, Foaming, Surfactant) |
Sulfate
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Pentylene Glycol
(Skin Conditioning, Solvent) |
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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Glycol Distearate
(Opacifying, Viscosity Increasing Agent, Emollient, Emulsifying, Skin Conditioning, Viscosity Controlling) |
Fungal Acne Trigger
|
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Cocamidopropyl Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling) |
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Cocos Nucifera Fruit Juice
(Hair Conditioning, Humectant, Skin Conditioning, Skin Conditioning Emollient) |
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Triticum Vulgare Protein
(Buffering, Film Forming, Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient, Skin Protecting) |
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cocos nucifera oil
(Fragrance, Hair Conditioning, Perfuming, Skin Conditioning) |
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Calophyllum Inophyllum Seed Oil
(Antimicrobial, Antioxidant, Hair Conditioning, Oral Care Agent, Skin Conditioning, Uv Absorber) |
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CYAMOPSIS TETRAGONOLOBA GUM
(Binding, Emulsion Stabilising, Film Forming, Fragrance, Viscosity Controlling) |
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Menthol
(Denaturant, External Analgesic, Flavoring Agent, Fragrance, Oral Health Caredrug, Masking, Refreshing, Soothing) |
Good for Oily Skin
Bad for Sensitive Skin
Bad for Dry Skin
|
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Menthyl Lactate
(Flavoring Agent, Fragrance, Masking, Refreshing) |
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Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding) |
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Lactobacillus Ferment
(Skin Conditioning) |
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
|
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Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
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Propanediol Caprylate
(Skin Conditioning) |
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Polyquaternium-7
(Antistatic Agent, Film Forming, Hair Fixing) |
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Behentrimonium Chloride
(Antistatic Agent, Hair Conditioning, Preservative) |
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1,2-Hexanediol
(Solvent) |
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Isopropyl Alcohol
(Antifoaming Agent, Fragrance, Solvent, Viscosity Decreasing Agent, Perfuming, Viscosity Controlling) |
Bad for Sensitive Skin
|
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Trisodium Ethylenediamine Disuccinate
(Chelating Agent) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
|
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
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Benzoic Acid
(Fragrance, Ph Adjuster, Preservative, Bulking Agent, Masking) |
Bad for Sensitive Skin
|
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Potassium Sorbate
(Fragrance, Preservative) |
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PARFUM
(Fragrance, Perfuming) |
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
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Linalool
(Fragrance, Deodorant, Masking) |
Allergens
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Citral
(Flavoring Agent, Fragrance, Masking) |
Allergens
|
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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 →
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic 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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