Original Dish Soap (21.6 oz)
Original dish soap. Dawn is the most popular dish soap in the US, known for its grease-cutting power.
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 6, 2026
Conventional cleaning products contain a cocktail of synthetic chemicals — surfactants, solvents, fragrances, preservatives, and antimicrobials — that are absorbed through skin, inhaled as vapors, and ingested as residues on surfaces. Many are classified as endocrine disruptors, carcinogens, or respiratory sensitizers. The EPA has found indoor air quality is often 2-5x worse than outdoor air, largely due to cleaning products.
Why We Rated It This Way
Dawn's synthetic fragrance hides undisclosed phthalates, and methylisothiazolinone (MI) is a known skin sensitizer that has been restricted in leave-on products in Europe. For a product used daily on dishes that contact food, the chemical profile is concerning.
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.
phthalates
Synthetic fragrance in conventional dish soap
Endocrine disruption
- ↳Effects and Mechanisms of Phthalates' Action on Reproductive Processes and Reproductive Health — International Journal of Environmental Research and Public Health, 2020
- ↳Phthalate Exposure and Childhood Obesity: A Systematic Review — International Journal of Environmental Research and Public Health, 2020
- ↳Phthalates and Their Impacts on Human Health — Healthcare (MDPI), 2021
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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