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Methods, products and kits are provided for attaching agents to a body tissue surface via microparticles using endogenous or exogenous transglutaminase. The microparticles have surface available transglutaminase substrate reactive groups. In an embodiment, the groups are part of a polymer containing

Methods, products and kits are provided for attaching agents to a body tissue surface via microparticles using endogenous or exogenous transglutaminase. The microparticles have surface available transglutaminase substrate reactive groups. In an embodiment, the groups are part of a polymer containing at least two contiguous linked lysines or at least three contiguous linked glutamines.

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1. A composition comprisinga microparticle comprising an active agent and a polymer having transglutaminase substrate reactive groups, wherein the transglutaminase substrate reactive groups are surface available, and the polymer comprises a polymer of amino acids having at least three contiguous lin

1. A composition comprisinga microparticle comprising an active agent and a polymer having transglutaminase substrate reactive groups, wherein the transglutaminase substrate reactive groups are surface available, and the polymer comprises a polymer of amino acids having at least three contiguous linked glutamines. 2. The composition of claim 1, wherein the transglutaminase substrate reactive groups are surface available in an amount sufficient to attach the microparticle to a body tissue in the presence of endogenous transglutaminase.3. The composition of claim 1, wherein the transglutaminase substrate reactive groups are surface available in an amount sufficient to attach the microparticle to a body tissue in the presence of exogenous transglutaminase.4. The composition of claim 1, wherein the polymer is covalently linked to a synthetic polymer.5. The composition of claim 1, wherein the polymer comprises a polymer of amino acids and wherein at least 20% of the amino acids are glutamines.6. The composition of claim 1, wherein the active agent is selected from the group consisting of a cosmetic agent, a bulking agent, a hair conditioning agent, a hair fixative, a sunscreen agent, a moisturizing agent, a depilatory agent, an anti-nerve gas agent, a film forming agent, a vitamin, an insect repellant, a coloring agent, a pharmaceutical agent, a ligand-receptor complex and a receptor of a ligand-receptor complex.7. A kit comprisinga package including a container containing the composition of claim 1 and instructions for topically administering the composition to a skin surface. 8. A composition comprisinga microparticle comprising an active agent and a polymer having transglutaminase substrate reactive groups, wherein the microparticle is non-biodegradable, and the transglutaminase substrate reactive groups are surface available, and the polymer comprises a polymer of amino acids having at least three contiguous linked lysines. 9. The composition of claim 8, wherein the transglutaminase substrate reactive groups are surface available in an amount sufficient to attach the microparticle to a body tissue in the presence of endogenous transglutaminase.10. The composition of claim 8, wherein the transglutaminase substrate reactive groups are surface available in an amount sufficient to attach the microparticle to a body tissue in the presence of exogenous transglutaminase.11. The composition of claim 8, wherein the polymer comprises a polymer of amino acids and wherein at least 50% of the amino acids are lysine.12. The composition of claim 8, wherein the active agent is selected from the group consisting of a cosmetic agent, a bulking agent, a hair conditioning agent, a hair fixative, a sunscreen agent, a moisturizing agent, a depilatory agent, an anti-nerve gas agent, a film forming agent, a vitamin, an insect repellant, a coloring agent, a pharmaceutical agent, a ligand-receptor complex and a receptor of a ligand-receptor complex.13. A kit comprisinga package including a container containing the composition of claim 8 and instructions for topically administering the composition to a skin surface. 14. A method of treating a subject to attach microparticles to a body tissue of the subject comprisingcontacting the body tissue in the presence of endogenous or exogenous transglutaminase with microparticles having surface available transglutaminase substrate reactive groups in an amount sufficient to attach the microparticles to the body tissue in the presence of the transglutaminase, allowing the microparticles to remain in contact with the body tissue for a time sufficient to permit a layer of microparticles to covalently attach to the body tissue, wherein the transglutaminase substrate reactive groups are part of a polymer, and wherein the polymer comprises a polymer selected from the group consisting of polymers containing: (a) at least two contiguous linked lysines, (b) at least three contiguous linked lysines, (c) at least four contiguous linked lysines, and (d) at least five contiguous linked lysines. 15. The method of claim 14, wherein the polymer is a polymer containing at least two contiguous linked lysines.16. The method of claim 14, wherein the polymer is a polymer containing at least three contiguous linked lysines.17. The method of claim 14, wherein the polymer is a polymer containing at least four contiguous linked lysines.18. The method of claim 14, wherein the polymer is a polymer containing at least five contiguous linked lysines.19. The method of claim 14, wherein the endogenous or exogenous transglutaminase is endogenous transglutaminase.20. The method of claim 14, wherein the endogenous or exogenous transglutaminase is exogenous transglutaminase.21. The method of claim 14, wherein the body tissue is integument.22. The method of claim 21, wherein the integument is skin.23. The method of claim 21, wherein the integument is the surface of the eye.24. The method of claim 21, wherein the integument is a mucous membrane.25. The method of claim 14, wherein the body tissue is an internal tissue.26. The method of claim 14, wherein the microparticles further comprise an active agent.27. A method of treating a subject to attach microparticles to a body tissue of the subject comprisingcontacting the body tissue in the presence of endogenous or exogenous transglutaminase with microparticles having surface available transglutaminase substrate reactive groups in an amount sufficient to attach the microparticles to the body tissue in the presence of the transglutaminase, allowing the microparticles to remain in contact with the body tissue for a time sufficient to permit a layer of microparticles to covalently attach to the body tissue, wherein the transglutaminase substrate reactive groups are part of a polymer, and wherein the polymer comprises a polymer selected from the group consisting of polymers containing: (a) at least five contiguous linked glutamines, (b) at least ten contiguous linked glutamines, (c) at least fifteen contiguous linked glutamines, and (d) at least twenty contiguous linked glutamines. 28. The method of claim 27, wherein the polymer is a polymer containing at least five contiguous linked glutamines.29. The method of claim 27, wherein the polymer is a polymer containing at least ten contiguous linked glutamines.30. The method of claim 27, wherein the polymer is a polymer containing at least fifteen contiguous linked glutamines.31. The method of claim 27, wherein the polymer is a polymer containing at least twenty contiguous linked glutamines.32. The method of claim 27, wherein the endogenous or exogenous transglutaminase is endogenous transglutaminase.33. The method of claim 27, wherein the endogenous or exogenous transglutaminase is exogenous transglutaminase.34. The method of claim 24, wherein the body tissue is integument.35. The method of claim 34, wherein the integument is skin.36. The method of claim 34, wherein the integument is the surface of the eye.37. The method of claim 34, wherein the integument is a mucous membrane.38. The method of claim 27, wherein the body tissue is an internal tissue.39. The method of claim 27, wherein the microparticles further comprise an active agent.