Octyl gallate is an antioxidant and preservative in food, pharmaceuticals, and cosmetic products, especially those containing oils or fats.
Skin contact with Octyl gallate is required for it to cause a rash. Discontinuation of exposure to products containing Octyl gallate should result in improvement and/or resolution of your dermatitis. By law, all products made in the US for topical use have the ingredients listed either on the product package or the box that contains it, so check the labeling of your skin care products for this ingredient. If there is no information ask your pharmacist or call the company directly. At work, request a material safety data sheet (MSDS) to help identify potential sources of exposure.
Gallate ester chemicals are used in the food, pharmaceutical, and cosmetic industries as an antioxidant to prevent oils and fats from becoming rancid. By reading labels, avoidance of skin contact with the gallate compounds should be possible.
Direct contact with foods or products containing Octyl Gallate may cause symptoms including burning, irritation and redness. Direct contact may occur on the skin, lips or mouth. It is possible, but rare, that ingestion of this substance could cause generalized symptoms such as itching or redness of the skin.