Silk or mink is the most organic material for extensions. Because they are the lightest, they are also the best for people who have never used lash extensions before. Do organic eyelash extensions exist? As mentioned by natural lash extension, With the right eyelash technician, a natural setting is very likely. By purchasing a full set of classic lashes and occasionally a partial set of classic lashes, one can obtain eyelash extensions that appear natural. One eyelash extension is glued to each natural lash in a typical pair of lashes one at a time.