A polyglyceryl composition comprising one or more polyglyceryl compounds wherein at least one of the polyglyceryl compounds is of the Formula I: wherein, Z is a polyglyceryl node structure that comprises at least 3 contiguous glyceryl remnant units; Nu are independently selected nucleophilic groups which are directly linked to Z; d is the number of nucleophilic groups directly bonded to Z, and is from 2 to 21; L 1 is an independently selected linking group which links Z to Hphob 1; Hphob 1 is an independently selected hydrophobic moiety comprising 6 to 30 carbons; a is the number of Hphob 1 linked to the node structure Z, each via an L 1, and is zero or 1; L 2 is an independently selected linking group which links Z to a cationic group -R 1 -N-[(R 2)(R 3)(Hphob 2)]; R 1 is an independently selected linear or branched alkylene (-CH- to -C 6 H 12 -) or monohydroxyalkylene (-CH - to -C 6 H 11 -); N is a nitrogen atom; R 2 is an independently selected alkyl or group containing 1 to 4 carbons (CH 3 to C 4 H 9) or a hydrogen atom; R 3 is an independently selected alkyl group containing 1 to 4 carbons (CH 3 to C 4 H 9) or a hydrogen atom, or an independently selected hydrophobic moiety; Hphob 2 is an independently selected hydrophobic moiety comprising 6 to 30 carbons; X 1 is an anionic counterion or absent; b is the number of (R 1 -N-[(R 2)(R 3)(Hphob 2)]) linked to the node structure, Z, each via an L 2, and is 1; L 3 is an independently selected linking group which links Z to cationic group -R 4 -N-[(R 5)(R 6)(R 7)]; R 4 is an independently selected linear or branched alkylene (-CH- to -C 6 H 12 -) or monohydroxylalkylene (-CH - to -C 6 H 11 -); R 5, R 6, R 7 are each an independently selected alkyl or group containing 1 to 4 carbons (CH 3 to C 4 H 9); X 2 is a anionic counterion or absent; c is the number of (R 4 -N-[(R 5)(R 6)(R 7)]) linked to the node structure, Z, each via an L 3, and is zero or 1; wherein the sum of a and b is from 1 to 2; the sum of b and c is from 1 to 2; the sum of a, b, and c is 1, 2 or 3, and wherein the composition has an average degree of polymerization determined by hydroxyl value testing (DP OH) of from 3 to 10; and wherein a "glyceryl remnant unit" is a glycerol unit excluding nucleophilic groups such as hydroxyl groups. Z is a polyglyceryl node structure that comprises at least 3 contiguous glyceryl remnant units; Nu are independently selected nucleophilic groups which are directly linked to Z; d is the number of nucleophilic groups directly bonded to Z, and is from 2 to 21; L 1 is an independently selected linking group which links Z to Hphob 1; Hphob 1 is an independently selected hydrophobic moiety comprising 6 to 30 carbons; a is the number of Hphob 1 linked to the node structure Z, each via an L 1, and is zero or 1; L 2 is an independently selected linking group which links Z to a cationic group -R 1 -N-[(R 2)(R 3)(Hphob 2)]; R 1 is an independently selected linear or branched alkylene (-CH- to -C 6 H 12 -) or monohydroxyalkylene (-CH - to -C 6 H 11 -); N is a nitrogen atom; R 2 is an independently selected alkyl or group containing 1 to 4 carbons (CH 3 to C 4 H 9) or a hydrogen atom; R 3 is an independently selected alkyl group containing 1 to 4 carbons (CH 3 to C 4 H 9) or a hydrogen atom, or an independently selected hydrophobic moiety; Hphob 2 is an independently selected hydrophobic moiety comprising 6 to 30 carbons; X 1 is an anionic counterion or absent; b is the number of (R 1 -N-[(R 2)(R 3)(Hphob 2)]) linked to the node structure, Z, each via an L 2, and is 1; L 3 is an independently selected linking group which links Z to cationic group -R 4 -N-[(R 5)(R 6)(R 7)]; R 4 is an independently selected linear or branched alkylene (-CH- to -C 6 H 12 -) or monohydroxylalkylene (-CH - to -C 6 H 11 -); R 5, R 6, R 7 are each an independently selected alkyl or group containing 1 to 4 carbons (CH 3 to C 4 H 9); X 2 is a anionic counterion or absent; c is the number of (R 4 -N-[(R 5)(R 6)(R 7)]) linked to the node structure, Z, each via an L 3, and is zero or 1; wherein the sum of a and b is from 1 to 2; the sum of b and c is from 1 to 2; the sum of a, b, and c is 1, 2 or 3, and wherein the composition has an average degree of polymerization determined by hydroxyl value testing (DP OH) of from 3 to 10; and wherein a "glyceryl remnant unit" is a glycerol unit excluding nucleophilic groups such as hydroxyl groups.