Sodium Lauryl Sulphate - 50 grams.
Much is said online about this harmless and very common household ingredient. Do you brush your teeth with toothpaste? If so, it contains sodium lauryl sulphate. Many household personal care and cleaning items contain SLS - it produces foam and lather. Dishwashing liquid, shampoo, window cleaner, bathroom cleaner, hand wash, laundry liquid...the list is extensive.
If you are unsure about whether SLS is safe to use, please research any randomised double blind clinical scientific trials undertaken, to establish whether there are any proven links between SLS and adverse health.