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Picture from Left to Right: new version ~ old version
Old Version -has a more angled shape -bristles are very soft, but not as soft as the new version -less denser, but is by no means floppy -sheds 1-2 hairs after each wash -bought it at a Mac counter in Macy`s
New Version -has a more oval shape and less angled shape -bristles are softer -denser -sheds 1-2 hairs after each wash -handle is a smidgen longer -bought it at http://MacCosmetics.com Even though there are physical differences between the old and the new version of the Mac 168 brush, I find the differences to be insignificant because they both apply my blushes and bronzers the same way. However, I do like the old version more because the head is more angled and it looks better. There are differences with each of the brushes that Mac sells. The differences can be slight, such as the two Mac 168 brushes above; however, the differences can also be drastic, such as the two Mac 187 brushes that I compared in a previous post