If color fashion changes with the seasons, our nail polishes have a limited lifespan. Old nail polish may show signs of discoloration, drying out, a thick texture, or phase separations. If, despite a good shake, the formula remains heterogeneous, it is time to get rid of it. Varnish is not a neutral product and should therefore not be thrown anywhere. Go to a recycling center that accepts special and hazardous household waste. Check with your municipality for suitable collection points. Once emptied and rinsed, the bottle should be thrown into the bin reserved for glass packaging, while the cap and brush…