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Data available:
Data last updated:
January 2011

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Big Tub Botanicals Pure Castile Soap (2011 formulation)

EWG scientists reviewed Big Tub Botanicals Pure Castile Soap (2011 formulation) for safety according to the methodology outlined in our Skin Deep Cosmetics Database. We assess the ingredients listed on the labels of personal care products based on data in toxicity and regulatory databases, government and health agency assessments and the open scientific literature. EWG's rating for Big Tub Botanicals Pure Castile Soap (2011 formulation) is 1.
Ingredient Concerns:
Overall Hazard
Developmental &
reproductive toxicity
Allergies & immunotoxicity
Use restrictions
Other MODERATE concerns: Contamination concerns; Other LOW concerns: Cancer, Data gaps

Ingredient Concerns

Ingredient Concerns Score
SODIUM HYDROXIDEIrritation (skin, eyes, or lungs), Organ system toxicity (non-reproductive), Use restrictions The product manufacturer has listed sodium hydroxide on the product label or has informed Skin Deep's research team that it is used to make the product. In a properly manufactured soap, this common raw ingredient completely reacts with oils; none remains in the product. Therefore, the hazards associated with sodium hydroxide are not considered relevant for this product.
None Identified
Data: Limited
[product of sodium hydroxide and OLIVE OIL]
None Identified
Data: Fair
Cancer, Contamination concerns (HYDROQUINONE)
Data: Fair
Data: Robust

About the ratings

EWG provides information on personal care product ingredients from the published scientific literature, to supplement incomplete data available from companies and the government. The ratings below indicate the relative level of concern posed by exposure to the ingredients in this product - not the product itself - compared to other product formulations. The ratings reflect potential health hazards but do not account for the level of exposure or individual susceptibility, factors which determine actual health risks, if any. Learn more | Legal Disclaimer