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Kirkland Signature Kirkland Moisture Shampoo
Photo: Open Beauty Facts contributors (CC BY-SA)

Cosmetic products

Kirkland Signature Kirkland Moisture Shampoo

1 L

Excellent out of 100 Medium confidence
  • Contains sugar alcohols
  • May contain traces of 1,4-dioxane
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Why it scores 97

Kirkland Signature Kirkland Moisture Shampoo scores 97 out of 100 (Excellent) under GoodSwap’s published rules. What moved the score most:

  1. Polyethylene glycols (PEG) and ethoxylates: Ingredients named with PEG, -eth- or -oxynol- can carry trace 1,4-dioxane from manufacturing (IARC Group 2B). Strong
  2. Chlorphenesin: The EU allows it as a preservative up to 0.3% (Annex V). Regulatory
  3. Sodium benzoate (cosmetic): The EU allows it up to 2.5% in rinse-off, 1.7% in oral and 0.5% in leave-on products, as benzoic acid (Annex V). Regulatory

Every line of the math is on The Receipt below, with its evidence tier and sources.

The Receipt

Kirkland Moisture Shampoo

START100

Ingredients

  • Polyethylene glycols (PEG) and ethoxylates
    Strong Ingredients named with PEG, -eth- or -oxynol- can carry trace 1,4-dioxane from manufacturing (IARC Group 2B). [1][2]
  • Chlorphenesin
    Regulatory The EU allows it as a preservative up to 0.3% (Annex V). [3]
  • Sodium benzoate (cosmetic)
    Regulatory The EU allows it up to 2.5% in rinse-off, 1.7% in oral and 0.5% in leave-on products, as benzoic acid (Annex V). [3]
  • Isomalt
    Regulatory Large amounts can have a laxative effect; the EU requires a label statement above 10% added polyols and the US for some polyols above set intakes. [4][5]
subtotal−3.5
TOTAL 97Excellent

100 − 3.5 = 96.5 → 97

GTIN 00096619042326 · 2026-10-09

score v1.3.0 · kb 2026.10.11

Medium confidence

Same product, same score. Every time.

Ingredients

High Moderate Not recognized Tap an ingredient for its evidence and rules.
Label text, as published

Water/Aqua/Eau, Sodium Cocoyl Isethionate Cobainidopropyl Hydroxysultaine, Potassium Cocoyl Glycinate, Discdium Cocoyl Glutamate, Sodium Lauroy Glucoside, Potassium Cocoate, Glycereth-26, Glycol Methionate, Sodium Lauroyl Sarcosinate, Decy Distearate, Cocamidopropylamine Oxide, Phenoxyethanot, faglance (Parfum), Sodium Cocoyl Glutamate, PEG-120 Methy Glucose Dioleate, Methyl Gluceth-20, Quatripm-91, Amodimethicone, Acrylates Copolymer, Citric Acid, Dicaprylyl Ether, Polyquaternium-10, Guar Hydroxypropyltrimonium Chloride, Chlorphenesin, Trisodium Ethylenediamine Disuccinate, PPG-2 Benzyl Ether Myristate, Glyceryl Oleate, C11-15 Pareth-7, Polyquaternium-39, Laureth-9, Phospholipids, Glycerin, Hydrolyzed Vegetable Protein PG-Propyl Silanetriol, Polyquaternium-55, Sodium Benzoate, Panthenol, Trideceth-12, Glycine Soja (Soybean) Oil, Acetic Acid, Tetrasodium EDTA, Benzoic Acid, Sodium Hydroxide, Disodium Edta, Potassium Sorbate, Hydrolyzed Pea Protein PG-Propyl Silanetriol, Caprylyl Glycol, Tocopheryl Acetate, Helianthus Annuus (Sunflower) Seed Oil, Alcohol, Tocopherol, Argania Spinosa Kernel Oil, Ascorbic Acid, Persea Gratissima (Avocado) Oil, Copaifera Officinalis (Balsam Copaiba) Resin, Passiflora Edulis Seed Oil, Isomalt, Euterpe Oleracea Fruit Oil, Aloe Barbadensis Leaf Extract, Cucumis Sativus (Cucumber) Fruit Extract, Lycium Barbarum Fruit Extract, Punica Granatum Extract, Malus Domestica Fruit Cell Culture Extract, Quaternium-95, Propanediol, Camellia Sinensis Leaf Extract, Persea Gratissima (Avocado) Fruit Extract, Xanthan Gum, Lecithin, Vitis Vinifera (Grape) Fruit Cell Extract, Vitis Vinifera (Grape) Seed Extract, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate. KIRKLAND Signatio Signature product, your money will be refunded. If you're not completely satisfied with this Kirkland Made in the USA with Domestic & Foreign Ingredients

More from Kirkland Signature

Sources

  1. 1,4-Dioxane in Cosmetics: A Manufacturing Byproduct

    U.S. Food and Drug Administration · Regulator

    “1,4-dioxane forms as a byproduct during the manufacturing process of certain cosmetic ingredients.”

    fda.gov

  2. Agents Classified by the IARC Monographs, Volumes 1–142 (List of Classifications)

    International Agency for Research on Cancer (WHO) · IARC

    monographs.iarc.who.int

  3. Regulation (EC) No 1223/2009 of 30 November 2009 on cosmetic products

    European Union (Official Journal) · Nov 30, 2009 · Law

    “cosmetic products shall not contain any of the following: (a) prohibited substances — prohibited substances listed in Annex II”

    eur-lex.europa.eu

  4. Regulation (EU) No 1169/2011, Annex III point 2.4 (foods with more than 10 % added polyols)

    European Union (Official Journal) · Oct 25, 2011 · Law

    “‘excessive consumption may produce laxative effects’.”

    eur-lex.europa.eu

  5. 21 CFR 184.1835 Sorbitol

    Electronic Code of Federal Regulations (eCFR), U.S. Office of the Federal Register · Nov 22, 2016 · Law

    ““Excess consumption may have a laxative effect.””

    ecfr.gov