I searched and it seems that this isn’t the first time we’ve covered the topic of diethanolamine. It also appeared in the ingredient list for Harry’s Shave Gel, where my dad said that he didn’t like the addition of that ingredient and didn’t think it was necessary. Diethanolamine is one of the 400 ingredients that . This ingredient has been shown to be harmful when inhaled, and irritating when applied to the skin, according to the . In animal studies, it was shown to burn/irritate skin, and negatively affect vision when exposed to the eye area. It’s strange that it’s included in this shave gel, especially when it’s going to be applied to sensitive areas of the body (your face, next to your eyes and nose)., Bar Soap, Deep Cleansing Face and Body Bar, Pack of 3, For Dry to Normal, Sensitive Skin, Soap Free, Hypoallergenic, Paraben Free, Fragrance Free, Removes Makeup, Dirt and Oil, Shop for Neutrogena Bar Soap in Bath & Shower at Walmart and save..