Bishop adds that demi-permanent colors are often used in salons alongside permanent dyes, and semi-permanent dyes are most frequently used in DIY coloring kits. That’s not to say salons don’t ever use semi dyes—but more on that later.
How long does permanent hair color last from a salon?
Despite the name, permanent hair dye isn’t actually permanent. So, how long does permanent hair color last? Around 6 to 8 weeks, depending on the product and the application process. But here’s the thing: it can be shorter or longer, also depending on a number of factors.
Is salon hair color better than over the counter?
Are salon hair dyes better? Simply put, when it comes to salon color vs. box dye, it’s always best to get your hair colored at the salon by a professional. Salon formulas better for your hair, and having a pro colorist apply it also ensures the best results.
How damaging is permanent hair color?
Since permanent color is a chemical process that occurs inside the hair fiber, it can break a number of the structural bonds (disulfides) that hold the protein strands together and can leave your color treated hair brittle, porous, and more damage-prone.
Is permanent hair dye actually permanent?
Permanent hair color is exactly that—permanent. When you apply it to your hair, it adds to the natural hair pigment so that the color you’ve chosen can replace it. It does this by opening the cuticle to let dye into the hair in order to deposit the permanent color.
Why do hair stylists hate boxed color?
One of the main reasons why hairdressers hate box dye is the difficulties that come with colour corrections. Eventually, many clients who box dye their own hair will come to a salon for a colour service – whether it’s because they need their colour fixing, or just because they now want a professional result.
Is permanent or semi permanent hair color better?
While permanent artificial hair pigments penetrate the hair and settle deep in its core, semi-permanent hair pigments only coat the outer hair shaft. Therefore, semi-permanent color treatments don’t have ammonia or bleaching ingredients. This is why they are so much gentler than permanent hair coloring.
Can a salon dye over box dye?
Unfortunately, you can’t lighten up a really dark dye job by simply dying over it with another, lighter box dye shade. “People think applying color over already colored hair will make it lighter — this is not the case,” Tang explains.