The invention relates to an applicator device comprising an applicator tip and a container part, wherein the container part comprises: (i) a container comprising a container wall, a valve, and a plunger, wherein the container wall, the valve, and the plunger together define a storage volume for containing a liquid, wherein the plunger comprises a circumferential wall, sealingly contacting the container wall； and (ii) a plunger advance system functionally coupled to the plunger and configured to advance the plunger for reducing the storage volume for expelling at least part of the liquid via said valve to said tip, wherein the plunger advance system is arranged outside the storage volume； wherein (a) the valve comprises a first spring system comprising a first spring material comprising a stainless steel material comprising a molybdenum content selected in the range of 0.5-7 wt. %, and (b) the plunger advance system comprises a second spring system comprising a second spring material comprising a stainless steel material comprising a molybdenum content selected in the range of 0.5-7 wt. %, applies； and the plunger advance system comprises a polymer selected from the group consisting of polypropylene (PP), ethylene chlorotrifluoroethylene (ECTFE), and polyoxymethylene (POM)； and wherein the plunger advance system comprises a spindle system comprising a ratchet system comprising a first element and a second element, wherein the second spring system is configured to provide the first element and the second element to engage on each other.La présente invention concerne un dispositif applicateur (1) comprenant une pointe d'applicateur (100) et : (i) un récipient (210) comprenant une paroi de récipient (211), une vanne (220), un piston (230) et (ii) un système d'avance de piston (300) pour expulser au moins une partie d'un liquide vers ladite pointe (100) ； (a) la vanne (220) comprenant un premier système de ressort (225) comprenant de l'acier inoxydable comprenant une ten
