Currently, increased life expectancy and prolonged period of social activity result advanced interest in preservation and correction of age-related skin changes. Subdermal implantation of poly-L-lactic acid (PLLA) filaments is a relatively young method among various techniques of aesthetic correction. The results of experimental study of morphological tissue changes after subdermal implantation of PLLA filaments are reported in the article.

Keywords. biostimulating threads, mesothreads, poly-L-lactic threads, neoangiogenesis, morphological changes, immunohistochemical study