A good rule of thumb is to shampoo your hair at least 24 to 48 hours before your coloring session, unless otherwise directed. You want there to be a natural protective oil layer on your scalp to act as a barrier against the chemicals in the hair dye.
Learn from my mistakes and get a great dye job on the cheap every time by using these tips.
Going to a salon won't make your hair look any healthier over dyeing at home so it's best to hold off on colouring altogether until it's in better condition. Whether you're doing it yourself or going to a salon you always need to do a patch test at least 48 hours before the application.
They typically contain high amounts of ammonia, PPDs, nitro dyes, metallic salts, and even henna. These are all harsh chemicals that can be extremely damaging to the hair as well as cause reactions to sensitive skin and allergies.
"A good thing to do the day before coloring is to use a clarifying shampoo to remove any product buildup, and to help even the hair's porosity so color takes evenly," says White. "You should follow that with a deep conditioner to replace any moisture that may be lost during coloring."
Try the following natural hair dyes if you're looking for alternative ways to color your hair.
Here are the best at-home hair dyes to refresh your look, according to experts
9 Drugstore Hair Dyes to Try At Home If You Love All Things DIY
The truth is, chemical-laden hair dyes can irritate your scalp and cause hair thinning or loss in some people — while the long-term health effects are not yet known.
The Difference Between Salon Hair Dye and Box Hair Dye
Not all hair takes color in the same way. In fact, your hair's length, health, texture, and thickness all play a role in how it will absorb hair dye. The advantage of salon hair dye is that it is specifically formulated for your hair by the stylist.
Semi-permanent dyes do less damage than permanent dyes because they don't contain ammonia.
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