Yes! Box dye is not formulated to the same standard as professional hair colour. Salon hair colour costs more because it is better quality. It doesn't contain so many harsh ingredients and often works to protect your hair as it colours.Jan 28, 2021
Is professional hair dye less damaging?
Salon colours are mixed fresh and can be combined with bond multiplying products such as Olaplex which can help achieve a more dramatic colour change without damaging hair.