Propylene glycol

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score_image3_3_1_Propylene glycol is a small organic alcohol commonly used as a skin conditioning agent. It has been associated with irritant and allergic contact dermatitis as well as contact urticaria in humans; these sensitization effects can be manifested at propylene glycol concentrations as low as 2%… 4,760 studies in PubMed science library may include information on the toxicity of this chemical.  TOXICITY RATING OF 3