Medical hyaluronic acid in ampoule form; gels for dermatological use; injectable dermal fillers; medicated skin care preparations; pre-filled syringes for medical purposes; pharmaceutical preparations for use in dermatology; pharmaceutical preparations for skin care; tissue-regenerative pharmaceutical preparations; transplants [living tissues]; skin grafts; implants for guided tissue regeneration; biological biomaterials for tissue restoration; implantable materials for use in guided tissue r...