Salon Line Guanidine Argan Oil Straightens, relaxes and reduces hair volume, leaving it smoother and looser. Its formula provides quick and efficient results, in addition to containing Argan Oil, which provides shine and softness for your hair. Guanidine is compatible with Sodium and Lithium Hydroxide, and incompatible with Ammonium Thioglycolate. Be careful with dyes that contain ammonia. --------------- Salon Line Guanidina oleo de Argan alisa, relaxa e reduz o volume dos cabelos, deixando-os mais lisos e soltos. Sua formula proporciona um resultado rapido e eficiente, alem de conter oleo de Argan, que promove brilho e maciez aos fios. A Guanidina e compativel com Hidroxido de Sodio e Lithium, e incompativel com Tioglicolato de Amonia. Cuidado com coloracoes que contenham Amonia.