Disclosed is a method for drying dalbavancin, comprising the steps of: Providing wet dalbavancin comprising dalbavancin, water, and a solvent Drying the wet dalbavancin at a temperature of about 30 degrees celcius or less, at a vacuum pressure of about 50 mbar or less, until the water level of the wet dalbavancin is less than about 20 percent Adding water to the dalbavancin and Drying the wet dalbavancin at least once more at a temperature of about 30 degrees celcius or less, at a vacuum pressure of about 50 mbar or less, until the solvent level is less than about 3.0 percent.
