TECHNOLOGY Forget Face ID, you could be unlocking smartphones with your SWEAT in as little as five years By admin - November 14, 2017 0 544 Share on Facebook Tweet on Twitter SWEAT is so unique it could one day be used to access smartphones in the same way we use a fingerprint or our faces. Amino acids in our "sweat print" could be used to identify someone wearing a mobile or wearable device, researchers have claimed. < p> 1 of 2