The mage can change another human being’s features as per the Life 3 Two Faces spell, p. 188.
The mage must touch the target. With Life 5, he can cast this spell at sensory range. The target can choose to contest with a reflexive Composure + Gnosis roll.
Mysterium Rote: Perfected Disguise
Mysterium mages often use this rote to send cabal-mates or other allies into questionable situations without the risk of their being recognized.