Ultra Clean HE Liquid Laundry Detergent
A mainstream liquid laundry detergent offered by Costco, known for its value. Contains synthetic ingredients and is packaged in a large plastic jug.
How scores are calculated
Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.
Packaging (20%): Is the product packaged in plastic? Is it recyclable?
Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?
Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.
This is a rating of this specific product only — not the company. Other products from this brand may score differently.
Last updated: April 8, 2026
Contains synthetic polymers and is packaged in a plastic bottle. The Free & Clear version has a D rating from EWG, indicating potential health and environmental concerns.
Why We Rated It This Way
Kirkland Signature's Ultra Clean HE Liquid Laundry Detergent is made from Water, C12-15 Pareth-7, Sodium Laureth Sulfate, Sodium Carbonate, Sodium Citrate, Fatty Acids, Sodium Cocoate, Sodium Polyacrylate, Disodium Distyrylbiphenyl Disulfonate, Fragrance, Methylisothiazolinone, Benzisothiazolinone, Colorants..
Chemical & Health Analysis
Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.
Various plastic chemicals
Kirkland Signature Ultra Clean HE Liquid Laundry Detergent
Asthma / Respiratory, Skin Allergies & Irritation, Developmental & Reproductive Toxicity, Cancer, Environment
All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.
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