My method maybe takes longer time to the final color target but is TOTALLY INVISIBLE to your enviroment.

Experts, including Grooming Editor, Garrett Munce, put a number of hair dyes to the test and evaluated their applications, color range, ingredients, mixing instructions, value, and more. You’ll also want to keep in mind that unless you’re starting with fully bleached hair, the finished result may not be super bold, especially if you are applying it on darker hair. Remember to perform the 48-hour skin allergy patch (alert) test before each use even if you have previously used this or other haircolouring products.Unless you’re a trained colorist, in which case why are you even reading this article, dying your hair at home requires at-home dye. This kit also features the comb-in style tube, which makes applying it nearly foolproof and we especially love it for its ability to cover certain areas without needing to apply dye to your entire head. If you’re looking for men’s gray hair dye, your best option is this easily-applied, natural-looking colors. This innovative foam dye is perfect for guys who’ve never dyed their hair before and are a little nervous about the process. He's written for Esquire, New York Magazine, Spotlyte, and Very Good Light and held staff positions at GQ and W.

In the event of any safety concerns or for any other information about a product please carefully read any instructions provided on the label or packaging and contact the manufacturer.Always conduct an allergy alert test 48 hours before each time you colour (see enclosed leaflet), even if you have already used colouring products before. Keep in mind that the bright colors are only super-saturated on bleached hair, but can still give a subtle sheen of purple or blue.