EWG scientists reviewed Obagi C Rx C-Clarifying Serum (2010 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 Obagi C Rx C-Clarifying Serum (2010 formulation) is 3.
|HYDROQUINONE||Cancer, Developmental/reproductive toxicity, Ecotoxicology, Allergies/immunotoxicity, Organ system toxicity (non-reproductive), Use restrictions|
|PROPYLENE GLYCOL||Enhanced skin absorption, Allergies/immunotoxicity, Irritation (skin, eyes, or lungs), Organ system toxicity (non-reproductive), Use restrictions|
|PROPYLENE CARBONATE||Irritation (skin, eyes, or lungs)|
|ASCORBIC ACID (VITAMIN C)||None Identified|
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
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