The present invention relates to a method for preventing the unfolding of a (poly)peptide during drying and/or inducing the (re-)folding of a (poly)peptide after drying, comprising the step of embedding the (poly)peptide in an aqueous solution, wherein the solution comprises (i) at least three different amino acids； or (ii) at least one dipeptide or tripeptide； and wherein the solution is free or substantially free of (a) sugar； and (b-i) protein； and/or (b-ii) denaturing compounds； and (c) silanes.
