Seborrhea or seborrheic dermatitis is a skin disorder in which the sebaceous glands of the skin produce an excessive amount of sebum. Seborrhea typically affects the back, face and flanks causing scaly, flaky, itchy, red skin.
Desoldering braid, also known as desoldering wick or solder wick, is finely braided 18 to 42 AWG copper wire coated with rosin flux, usually supplied on a roll. The end of a length of braid is placed over the soldered connections of a component being removed.
Here's the result after soldering. Shiny solder joints that wick up to the component lead. After soldering each joint, snip off the excess wire at the top of the joint. If you make a mess of the joint then one of the best things for removing excess solder is called desoldering wick.