The invention relates to the use, as active ingredient, of at least one substance that promotes AGE deglycation, for the preparation of a composition, especially for limiting the presence of AGEs in a tissue. The invention relates in particular to the use of such a substance for the preparation of a composition for use in preventing and/or combating the decrease in flexibility and/or plasticity and/or elasticity and/or functionality of a tissue, and/or in preventing and/or combating ageing of a tissue, by promoting AGE deglycation in the tissue, wherein said tissue is preferably the skin, or the tissue wall of a blood vessel or of an organ.