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Breaking down how
we rate products

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Review products

Every product is reviewed by EWG staff to identify product type, use and composition, target demographic, and special product claims.

Evaluate ingredients

Information is culled from ingredient labels and from the scientific and industry literature on personal care products.

Determine product scores

Each product is rated on factors calculated from nearly 60 integrated toxicity, regulatory, and study availability databases.

Insights from our experts

Meet our experts

EWG’s experts break down the science and bring you the details that matter. Their collective research and advocacy are grounded in rigorous, science- and data-driven analysis, with a laser focus on protecting human health and the environment.

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