Depending on the frequency of use, natural stone item should be periodically cared after 3-6 months since completion. Periodical maintainance will make the natural stone items retain its original beauty and avoid problems such as stains, fading, scratches, loss of polish... 

in addition to daily care, natural stone needs maintenance every 6 month - 1 year depending on each item and condition of use. This helps prolong using time and make stone less stick to loss of polish, stain, scratch. Stonecare provide the package including  re-impregnation and polishing.