Can I dye my hair over Magic Root Cover Up?

Author: Maci Cole  |  Last update: Monday, May 26, 2025

This Instant Root Concealer Spray is a temporary root touch up solution. It conceals greys in seconds for flawless roots and lasts until your next shampoo. If I have this product on my hair, can I still apply home permanent hair dye on top of it? We suggest you shampoo your hair first and wait 24H to color your hair.

Can you dye over root cover up?

A: No you cannot. Anytime I have the root cover up product on my hair, I always make sure that I wash it out prior to being colored. Two different times over the years of using products such as this, I was unable to do this, so I informed the stylist that I was using at that point about the need to wash it out.

How long after root touch up can I dye my hair?

In general, most hair color experts recommend waiting at least 4 to 6 weeks before dyeing your roots, as this allows enough time for the hair to grow out and for the scalp to recover from any irritation or damage caused by the previous dye.

Should I wash the product out of my hair before dying?

  • A freshly shampooed scalp is free from oil and so the chemicals are more likely to cause irritation because there's no barrier to protect your scalp.
  • Wash your hair the day before you dye it.
  • Don't apply serums or products that can stop the dye from being able to do its job.
  • Dirty hair is not better to colour.

How long does magic root cover up last?

The lightweight formula leaves no smudging or sticky residue when dry and lasts until the next shampoo. Only a small amount of product is required, and the bottle holds up to 40 applications. Easy to use, Magic Root Cover Up allows you to space out your salon appointments.

HOW TO Cover GRAY HAIR - IN SECONDS! **without coloring your hair**

Does Loreal root magic wash out?

Magic Root Cover Up conceals grays in just seconds. The lightweight formula leaves no smudging or sticky residue when dry — just seamless coverage. Perfect when you're in between color sessions or salon visits, it offers flawless results: Lasts until your next shampoo.

What is the best root cover up between salon visits?

Our favorite overall pick is the Madison Reed Root Perfection Root Touch-Up Kit, which nourishes strands as it dyes them and covers roots for up to three weeks.

Can I dye my hair if there is a product in it?

Although we recommend not shampooing the day of coloring, there is an exception if you have a lot of product in your hair. While natural oils are ideal, at the same time, it's not good to have a build-up of product that makes it harder for the color to penetrate your hair which may cause uneven results.

Do and don'ts before coloring hair?

Don't shampoo immediately before dyeing your hair. Why? Because 1-2 days unwashed hair has a protective barrier on the scalp - it means there's less chance of any irritation and color pigment is better deposited. Also, just before dyeing, avoid using styling products (dry shampoo, hair spray, gels etc.).

Do hair stylists prefer clean or dirty hair for coloring?

**Stylist Preference**: Stylists prefer working with clean hair because it allows them to better assess the natural color and condition of your hair.

Can I color my hair again after 1 day?

You should wait at least two weeks after your last dye session to re-dye your hair, regardless of the reason. If you're maintaining your color, stylists recommend returning to the salon every four to six weeks for a touch-up.

Should root touch up be lighter or darker?

Is it better to go lighter or darker to cover grey hair? As for your permanent colour kit choice, for the best grey coverage, Josh recommends choosing a shade close to your natural root colour (that's the colour between the greys.) "Make sure to never stray more than two shades away from this,” says Josh.

Should I wash hairspray out of my hair before coloring?

Whilst natural oils will not interfere with the colouring process, the build of products like hairspray will make the colour process more difficult, so refrain from using these products a few days before your treatment.

Should you comb through hair dye?

If you want to distribute the hair dye evenly, do the shadow root technique or highlights, you should use a comb. You should choose the correct comb for each technique.

Can hairdressers dye over box dye?

Hair coloured with a box dye can be corrected with professional colour correction services at a salon.

Do you dye your hair when it's dirty or clean?

In general, it's recommended to wash your hair a day or two before your dye session rather than immediately before it.

Should I cover my hair while dying it?

Wrap It Up.

After you've applied the color, cover your hair with plastic wrap, Gloria Swanson-style (a shower cap works well, too). Not only does this help the color penetrate better, but it prevents goop from streaking your forehead—and the bathroom sink.

What is the rule in hair coloring?

A basic rule of haircolor is that cool (ash) tones neutralize warm (red or gold) tones and warm tones neutralize cool tones. Decide if it is too red, orange or yellow, then just choose the complementary tone that is opposite on the color wheel.

Can you dye hair over root spray?

While the colourants and pigments inside these sprays are temporary, they can cling to your hair and interfere with the chemicals when using permanent or semi-permanent dyes. This can lead to an overall patchy result, which we're sure won't be the desired look you're going for.

Do I need to wash product out of hair before coloring?

While your hair should be clean for all hair coloring services, how clean may depend on the color you're going for. In most cases, having freshly washed strands is ideal—as Moore says, “hair color needs the path of least resistance” for the most seamless end results.

What happens if you put hair dye over hair dye?

According to our hair color experts, overlapping onto previously colored hair can leave you with unnecessarily dark hair or damaged hair. If you need an all-over color-treated hair boost, we recommend massaging leftover color pigment throughout the rest of your hair right before it's time to rinse.

Is Magic Root cover up permanent?

Magic Root Permanent is a convenient, mess-free and effective permanent root touch up for covering up grey roots that grow back fast! Its easy-to-use formula blends seamlessly with your hair color, providing instant coverage that lasts.

Can you use Magic Root cover up on whole head?

You can use spray on root touch up spray on your whole head if you'd like, sectioning the hair for root touch up at home.

How do you hide gray hair between colorings?

Luckily, temporary hair color for gray hair exists. You can conceal graying hair between appointments with formulas like L'Oréal Professionnel's Hair Touch Up Root Concealers. Available in seven shades, these formulas give quick, easy, natural-looking gray coverage that lasts until your next wash day.

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