Abstract: A 100% recyclable and replaceable eco-friendly PET lipstick mechanism includes a cartridge core and a housing rotatably matching the cartridge core, where an axially slidable lipstick cylinder matches inside of the cartridge core, an inner wall surface of the housing is provided with a spiral groove, the cartridge core is provided with a guide groove axially, and an outer surface of the lipstick cylinder is provided with a protruding pillar, the pillar penetrating the guide groove of the cartridge core to slidably match the spiral groove of the inner wall surface of the housing; an outer circumferential surface of a rear end of the cartridge core is provided with a hand-held section; and the housing, the cartridge core and the lipstick cylinder are all made from polyethylene terephthalate (PET).

Abstract: A 100% recyclable and replaceable eco-friendly PET lipstick mechanism includes a cartridge core and a housing rotatably matching the cartridge core, where an axially slidable lipstick cylinder matches inside of the cartridge core, an inner wall surface of the housing is provided with a spiral groove, the cartridge core is provided with a guide groove axially, and an outer surface of the lipstick cylinder is provided with a protruding pillar, the pillar penetrating the guide groove of the cartridge core to slidably match the spiral groove of the inner wall surface of the housing; an outer circumferential surface of a rear end of the cartridge core is provided with a hand-held section; and the housing, the cartridge core and the lipstick cylinder are all made from polyethylene terephthalate (PET).