69418
But airing ( and rinsing in pure water if necessary ) is considered better than washing with soap or another detergent , especially when not all of the natural oil ( lanolin ) has been removed from the wool .
 lanolin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 lanolin