A peptide product comprising a surfactant X covalently attached to a peptide, the peptide comprising a linker amino acid U and at least one other amino acid: wherein the surfactant X is a group of Formula I: wherein: R 1a is independently, at each occurrence, a bond, H, a protecting group, a saccharide, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted alkoxyaryl group, a substituted or unsubstituted aralkyl group, or a steroid nucleus containing moiety; R 1b, R 1c, and R 1d are each, independently at each occurrence, a protecting group, a saccharide, a bond, H, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted alkoxyaryl group, or a substituted or unsubstituted aralkyl group; W 1 is independently, at each occurrence, -CH 2 -, -CH 2 -O-, -(C=O), -(C=O)-O-, - (C=O)-NH-, -(C=S)-, -(C=S)-NH-, or -CH 2 -S-; W 2 is -O-, -CH 2 - or -S-; R 2 is independently, at each occurrence, a bond to U, H, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted alkoxyaryl group, a substituted or unsubstituted aralkyl group, -NH 2, -SH, C 2 -C 4 -alkene, C 2 -C 4 -alkyne, -NH(C=O)-CH 2 -Br, -(CH 2)m-maleimide, or -N 3; n is 1, 2 or 3; and m is an integer of 1-10; the peptide is selected from Formula II: wherein: Z is OH, N-R 4 -His, or -NH-R 3, wherein: R 3 is H, substituted or unsubstituted C 1 -C 12 alkyl, or a PEG chain of less than 10 Da; R 4 is a C 2 -C 10 acyl group; aa 1 is His, N-R 4 -His, pGlu-His, or N-R 3 -His; aa 2 is Ser, D-Ser, Ala, Gly, Pro, MePro, Aib, Ac4c, or Ac5c; aa 3 is Gln or Cit; aa 4 is Gly or D-Ala; aa 5 is Thr or Ser; aa 6 is Phe, Trp, 2FPhe, MePhe, 2FMePhe, or Nal2; aa 7 is Thr or Ser; aa 8 is Ser or Asp; aa 9 is Asp or Glu; aa 10 is Tyr, Leu, Met, Nal2, Bip, Bip2EtMeO, or U; aa 11 is absent or Ser, Asn, Bip, or U; aa 12 is absent or Lys, Glu, Ser, Arg, or U; aa 13 is absent or Tyr, Gln, Cit, or U; aa 14 is absent or Leu, Met, Nle, or U; aa 15 is absent or Asp, Glu, or U; aa 16 is absent or Ser, Gly, Glu, Ala, Aib, Ac5c, Lys, Arg, or U; aa 17 is absent or Arg, hArg, Gln, Glu, Cit, Aib, Ac4c, Ac5c, Lys, or U; aa 18 is absent or Arg, hArg, Ala, Aib, Ac4c, Ac5c, or U; aa 19 is absent or Ala, Val, Aib, Ac4c, Ac5c, or U; aa 20 is absent or Gln, Lys, Arg, Cit, Glu, Aib, Ac4c, Ac5c, or U; aa 21 is absent or Asp, Glu, Leu, Aib, Ac4c, Ac5c, or U; aa 22 is absent or Phe, Trp, Nal2, Aib, Ac4c, Ac5c, or U aa 23 is absent or Val, Ile, Aib, Ac4c, Ac5c, or U; aa 24 is absent or Gln, Ala, Glu, Cit, or U; aa 25 is absent or Trp, Nal2, or U; aa 26 is absent or Leu, or U; aa 27 is absent or Met, Val, Leu, Nle, Lys, or U; aa 28 is absent or Asn, Lys, Gln, Cit, or U; aa 29 is absent or Thr, Gly, Aib, Ac4c, Ac5c, or U; aa 30 is absent or Lys, Aib, Ac4c, Ac5c, Arg, or U; aa 31 is absent or Arg, Aib, Ac4c, Ac5c, or U; aa 32 is absent or Asn, Aib, Ac4c, Ac5c, or U; aa 33 is absent or Arg, Aib, Ac4c, Ac5c, or U; aa 34 is absent or Asn, Aib, Ac4c, Ac5c, or U; aa 35 is absent or Asn, Aib, Ac4c, Ac5c, or U; aa 36 is absent or Ala, Ile, Aib, Ac4c, Ac5C, or U; aa 37 is absent or U; U is a natural or unnatural amino acid comprising a functional group used for covalent attachment to the surfactant X; wherein any two of aa 1 -aa 37 are optionally cyclized through their side chains to form a lactam linkage; and provided that one, or at least one, of aa 10 -aa 37 is the linker amino acid U covalently attached to X. R 1a is independently, at each occurrence, a bond, H, a protecting group, a saccharide, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted alkoxyaryl group, a substituted or unsubstituted aralkyl group, or a steroid nucleus containing moiety; R 1b, R 1c, and R 1d are each, independently at each occurrence, a protecting group, a saccharide, a bond, H, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted alkoxyaryl group, or a substituted or unsubstituted aralkyl group; W 1 is independently, at each occurrence, -CH 2 -, -CH 2 -O-, -(C=O), -(C=O)-O-, - (C=O)-NH-, -(C=S)-, -(C=S)-NH-, or -CH 2 -S-; W 2 is -O-, -CH 2 - or -S-; R 2 is independently, at each occurrence, a bond to U, H, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted alkoxyaryl group, a substituted or unsubstituted aralkyl group, -NH 2, -SH, C 2 -C 4 -alkene, C 2 -C 4 -alkyne, -NH(C=O)-CH 2 -Br, -(CH 2)m-maleimide, or -N 3; n is 1, 2 or 3; and m is an integer of 1-10;