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Apply Neosporin ((polymyxin B sulfate-neomycin sulfate-gramicidin) or Tween 80 (polyoxyethylene 20 sorbitan mono-oleate) to your skin with tar on it. Allow it to work into the tar and your skin for a few minutes before gently wiping it away with a clean cloth or rinsing it off with warm water. This may be the most effect and safest way to remove tar. These two products break down tar, are virtually non-toxic, and may cause less pain and damage to your skin. Apply a thick layer of mayonnaise over the cooled tar. Let the mayonnaise work into your skin for at least 30 minutes. This allows the mayonnaise to break down the tar. Then, gently wipe away the mayonnaise and tar from your skin with a clean cloth or soft brush. Follow up by cleansing the affected skin to remove any residue, stains, or bacteria. Look through your pantry for different types of oil you eat or put on your skin. Pour a generous amount of your chosen oil over the tar and surrounding skin. Allow the oil to work into the tar for 20 minutes. Then gently peel or scrape the tar off of your skin. Wash or wipe off excess oil and tar with a mild soap, clean water, and a soft cloth. The following household oils can also remove tar from your skin.  Sunflower oil, which may be especially effective Butter Baby oil Canola Coconut oil  Olive oil Spread a layer of petroleum jelly over your tarred skin and the surrounding area. Wait five minutes to let the petroleum jelly work into the tar. Then gently wipe away the excess petroleum jelly and tar from your skin. Follow up by cleansing and rinsing your skin to remove lingering tar or stains. Reapply petroleum jelly if you still have tar or stains on your skin. You may get suggestions to remove tar from your skin using household items such as nail polish remover. Steer clear of anything potentially toxic because your skin can absorb it and the product may harm your health. Avoid the following household items on your skin to remove tar:  Alcohol Acetone Nail polish remover Kerosene Ether Gasoline Aldehydes

Summary:
Layer on polysorbate cream. Spread on mayonnaise. Cover the tarred area with household oils. Cover the tar with petroleum jelly. Avoid toxic chemicals.