Londa Professional Londacolor 6/4 is a una ammonia-free demi-permanent dye, ideal for those who want a una gentle yet long-lasting color. Thanks to its innovative formula, it protects the struttura of the hair, ensuring natural and shiny highlights without chemical aggressions. Perfect for covering minor imperfections and refreshing the color, it offers una intense shine and excellent durability. Easy to apply, it is the ideal choice for those seeking professional results while fully respecting the health of the hair.