Amazon.in: global colour for hair womenHair Dye Stick for Instant Gray Hair Coverage – Easy to Use Temporary Hair Color Stick with Built-In Comb, Long-Lasting Natural Look, Root Touch Up, Travel Friendly Hair Color Solution for Men & Women Global Hair Colour is a technique where the hair is uniformly colored from root to tip, creating a seamless, all-over color . It involves applying hair dye or colorant to the entire head of hair , ensuring consistent coverage and a cohesive look. Global Hair Colour can be used to change the hair color completely, cover gray hair , or enhance natural hair color . This versatile coloring method allows for endless possibilities, from subtle changes to bold transformations. Professional hair ... Global hair colour , also known as all-over hair dye, may last for a considerable amount of time but is ultimately temporary. Various factors contribute to the gradual loss of colour intensity over time. Discover recipes, home ideas, style inspiration and other ideas to try.