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Most Common Questions

I represent a cosmetics company. Can I use EWG's Skin Deep ratings in my marketing materials?

What's the Campaign for Safe Cosmetics?

How is EWG's Skin Deep related to the Campaign for Safe Cosmetics?

How long are products retained on Skin Deep?

I can't find my product or brand. Can it be added to Skin Deep?

Why are the ingredients on my product's label different from the ingredients listed here?

What is the data availability rating?

I can't find a product that used to be in Skin Deep. Why was it removed?

I represent a cosmetics company. How can I get my products listed on Skin Deep?

Products, Scores and Methods

What is EWG's Skin Deep?

How do you score ingredients and products in EWG's Skin Deep?

If EWG found no data available on a product or ingredient, why is it given a hazard score of zero?

Why is there a discrepancy between the ingredient scores and the overall product score?

Why is there a range of scores for some ingredients?

If a product/ingredient scores low for hazards, does EWG consider it safe?

Does EWG endorse products or brands?

What do I do with cosmetics or personal care products I already own that score high for hazards? Throw them away or use them up? What is the best way to dispose of them?

Why does Skin Deep link to

Ingredient Types and Safety

Are ingredients in personal care products harmful?

If I have not noticed a reaction to a product, should I be concerned about my products anyway?

Are the amounts of chemicals in cosmetics too small to matter?

I had a reaction to a personal care product. What should I do?

Skin Deep says an ingredient may contain hazardous contaminants. How do I know if they're there for sure?

My product contains only organic or plant-based ingredients but still has a high hazard score or low data availability rating. Aren't organic or plant-based products better?

Why does "fragrance" score an 8?

Are natural fragrances less hazardous than synthetics?

What is EWG's position on animal testing?

Companies and Amending Products

I represent a cosmetics company and Skin Deep lists an old formulation for one of our products. How can I update the listing?

Can companies provide data to EWG to show that their ingredients and/or products are safe?

How to Contact EWG

How do I submit comments and questions regarding Skin Deep?


ACS. 2007. Skin Cancer Prevention and the New York Times. Dr. Len’s Cancer Blog. American Cancer Society.

BCCDC. 2003. Radiation Issue Notes (RIN) #15 – Sunscreens and their correct application. British Columbia Centre for Disease Control.

Börm PJ, Robbins D, Haubold S, Kuhlbusch T, Fissan H, Donaldson K, et al. 2006. The potential risks of nanomaterials: a review carried out for ECETOC. Part Fibre Toxicol 3(11): 1-35.

FDA. 1995. FDA Center for Food Safety and Applied Nutrition, Office of Cosmetics and Colors. Fact Sheet. FDA Authority Over Cosmetics. February 3, 1995.

FDA. 1999. Final Rule for Sunscreen Drug Products for Over-the-Counter Human Use. Federal Register: U. S. Food and Drug Administration, 27666.

FDA. 2007. Sunscreen Drug Products for Over-the-Counter Human Use; Proposed Amendment of Final Monograph; Proposed Rule. In: 21 CFR Parts 347 and 352. Federal Register: U. S. Food and Drug Administration.

Green A, Williams G, Neale R, Hart V, Leslie D, Parsons P, et al. 1999. Daily sunscreen application and betacarotene supplementation in prevention of basal-cell and squamous-cell carcinomas of the skin: a randomised controlled trial. Lancet 354(9180): 723-729.

National Cancer Institute. 2007. General Information about Skin Cancer.

Pont AR, Charron AR, Wilson RM, Brand RM. 2003. Effects of active sunscreen ingredient combinations on the topical penetration of the herbicide 2,4-dichlorophenoxyacetic acid. Toxicol Ind Health 19(1): 1-8.

Pont AR, Charron AR, Brand RM. 2004. Active ingredients in sunscreens act as topical penetration enhancers for the herbicide 2,4-dichlorophenoxyacetic acid. Toxicology and Applied Pharmacology 195(3): 348-54.

Wang T, Kasichayanula S, Xiaochen G. 2006. In vitro permeation of repellent DEET and sunscreen oxybenzone across three artificial memmbranes. International Journal of Pharmaceutics 310: 110–117.

Wang T, Gu X. 2007. In Vitro Percutaneous Permeation of the Repellent DEET and the Sunscreen Oxybenzone across Human Skin. J Pharm Pharm Sci 10(1): 17-25.

van der Pols JC, Williams GM, Pandeya N, Logan V, Green AC. 2006. Prolonged prevention of squamous cell carcinoma of the skin by regular sunscreen use. Cancer Epidemiol Biomarkers Prev 15(12): 2546-2548.