harmful skin ingredients

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Harmful Ingredients to Avoid in your Hair and Skin Care Products.

  This is a list of Harmful Ingredients to Avoid in your hair and skin care products.  PROPYLENE GLYCOL Called a humectant in cosmetics, it is really “industrial anti-freeze” and the major ingredient in brake and hydraulic fluid. Tests show it can be a strong skin irritant. Material Safety Data Sheets (MSDS) on Propylene Glycol…