Blacklisted Ingredients

All # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Diazolidinyl Urea


An antimicrobial preservative that slowly releases carcinogenic formaldehyde into a product over time (see Formaldehyde).  People may develop a contact allergy to formaldehyde or to the ingredient itself.  The American Society of Contact Dermatitis lists diazolidinyl urea and formaldehyde as contact allergens, even in concentrations as low as 1%.  Longer storage time and higher temperatures increase the amount of formaldehyde released from diazolidinyl urea, which can lead to higher risks of health problems.

Sources:

https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr137.pdf

http://www.safecosmetics.org/get-the-facts/chemicals-of-concern/formaldehyde/

https://www.cancer.org/cancer/cancer-causes/formaldehyde.html

https://www.contactderm.org/i4a/pages/index.cfm?pageID=3563

Diethyl Phthalate (Additional Name: DEP)


One of the phthalates, commonly used as a fixative in synthetic fragrances to make fragrances last longer.   We do not use any synthetic fragrance in our products.  The research on DEP is less conclusive than on other phthalates, but there is some evidence that it may interfere with the normal function of the endocrine system and cause birth defects in animals. 


Sources:

https://www.fda.gov/Cosmetics/ProductsIngredients/Ingredients/ucm128250.htm

http://www.safecosmetics.org/get-the-facts/chemicals-of-concern/phthalates/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1241863/pdf/ehp0112-000331.pdf

https://www.atsdr.cdc.gov/substances/toxsubstance.asp?toxid=112

https://www.atsdr.cdc.gov/phs/phs.asp?id=601&tid=112

DMDM Hydantoin


An antimicrobial preservative that slowly releases carcinogenic formaldehyde into a product over time (see Formaldehyde).  People may develop a contact allergy to formaldehyde or to the ingredient itself.  The American Society of Contact Dermatitis lists DMDM hydantoin and formaldehyde as allergens, even in concentrations as low as 1%.  Longer storage time and higher temperatures increase the amount of formaldehyde released from DMDM hydantoin, which can lead to higher risks of health problems.


Sources:

https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr154.pdf

http://www.safecosmetics.org/get-the-facts/chemicals-of-concern/formaldehyde/

https://www.cancer.org/cancer/cancer-causes/formaldehyde.html

https://www.contactderm.org/i4a/pages/index.cfm?pageID=3563

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