Do I need to fill my hair before going dark?

Author: Doris Tromp  |  Last update: Thursday, June 5, 2025

When hair is lightened, all warmth is removed to achieve a pure Level 9/10. If a blondie wants to embrace the dark side again, the hair needs to be filled first to replace that lost warmth or one of two things could happen: The color will appear uneven.

What happens if you don't fill your hair before dying it?

If you don't fill the hair, multiple things could happen. For one, the color will appear dull. The warmer undertones help reflect light, so without that, it will look flat.

Do I need to fill my hair before dying it black?

Yes you need to fill your hair before dying. Retouching will be based on how often you wash/lose color. It's going to be upkeep until either the bleached part is cut off or you stop caring/keep dying over new growth.

Is it better to have dirty or clean hair before coloring?

It's best to color your hair on clean hair. If you have too much product buildup or oil. or any sort of environmental stress in the hair, it could prevent the color from. fully penetrating your cuticle and covering.

Does dying your hair darker make it look fuller?

Darker hair looks fuller because of the depth of color. Color depositing colors also aren't as damaging as pulling color out with bleach.

hair color fillers explained- going darker to avoid green hair | 2024

What hair color is best to hide thinning hair?

Brightened-up colors, such as golden blonde, can work wonders when applied to the money pieces around your face. Likewise, rich colors—like chestnut or caramel brown—can create a shadow effect throughout that feigns depth and thickness.

Is dark hair better for thin hair?

Harth says darker shades, such as black or dark brown (as seen on Emily Ratajkowski above), can create the illusion of fuller hair by providing contrast between the hair and scalp. “This can make the hair appear thicker and less transparent,” Dr. Harth said.

What not to do before dying hair?

Along with washing your hair right before dyeing it, avoid applying any styling products, like dry shampoo or leave-in conditioners.

Do hair stylists prefer clean or dirty hair?

Additionally, it's also a matter of courtesy; clean hair is usually more pleasant for stylists to work with. However, if you're going for a haircut, a little natural oil in your hair is acceptable, as it can help the stylist understand your hair's natural texture and style.

Can I dye my hair if I haven't washed it in a week?

The general rule of thumb is to not wash your hair the day of coloring or even the day before coloring if your hair washing routine allows. You might hear colorists say a second (or even third) day hair is best. Why is that so? Unwashed hair produces a natural oil protective layer.

How do I fill my hair before going dark?

There are 3 methods that you can use for filling hair.
  1. You can fill the hair with direct dye or colour conditioner.
  2. You can apply a tint or oxidate colour onto the hair and then comb off and paint your 2nd layer over it.
  3. You can also fill hair before dying it darker with semi or demi permanent colours.

What not to do after dying your hair black?

Here are the expert answers to your most important questions about how to keep your color fresh, shiny and vibrant.
  1. Avoid Hot Water. ...
  2. Steer Clear of Too Much Sun. ...
  3. Don't Wash Your Hair (At First) ...
  4. Lay Off the Chemicals. ...
  5. Avoid Chlorine. ...
  6. Skip Treatment Shampoos and Masks. ...
  7. Stay Away From Heat.

What would happen if I put blonde hair dye on brown hair?

Dark brown hair has warm tones underneath, which can show up more as you lighten your hair. Sometimes, this can make your hair look orange or brassy, especially if you don't bleach it properly. To avoid this, it's important to use suitable blonde hair dye and follow the instructions.

Do I need a filler to go from blonde to brown?

According to Stenson, “fillers are the most vital step when going from blonde to brown.” “[A filler shade] keeps the hair from turning a muddy, dull color when you apply the dark color,” adds Lee. Your filler shade won't be quite as dark as your desired, final shade and will likely look more reddish or golden in tone.

What happens if you put grey hair dye on brown hair?

If your hair is brown, you may need to bleach it more than once before you apply the grey dye. It's important you get your hair as light as possible before you attempt to turn it grey – this will help ensure a more even tone and vibrant, all-over colour.

Why is my hair turning green when I dye it brown?

If you have little or no warm pigments in your hair, the ash colour can give your hair a green tint. The same can happen when your hair is bleached or de-coloured. Here too, the problem is that there is little or no warmth left in the hair and thus no red pigment that can neutralise the green/blue pigment in the dye.

How much to tip a hairdresser?

A 20% tip may be standard, but the percentage can vary. More complex jobs or a stylist that went above and beyond might merit a bigger tip. If service was poor, a little less might be appropriate.

Do hairdressers like when you bring in pictures?

Bringing a picture helps clarify exactly what you want. Describing a hairstyle verbally can be tricky—one person's “soft layers” may mean something completely different to someone else. By showing a picture, you're able to provide your Solihull Hairdresser with an exact idea of the look you're going for.

Do hairdressers mind if your hair is greasy?

Come In With Relatively Clean Hair

While it's okay for your hair to be somewhat dirty before an appointment (it's okay if you've gone a couple of days without a wash!), if you think your hair is overly dirty, your stylist probably will too.

What should I put on my hairline before dying my hair?

Put Vaseline around your hairline to reduce any dye on your skin.

What not to do before going to hair salon?

Having your hair too clean when you go to the salon is not the best idea. On the other hand, hair with too much oil and products is not safe for hair health. Don't use too many hair products such as styling gels or mousses on the same day you want to get your hair done. This could make your hair color look uneven.

Do I need to wet my hair before dying it?

"Semi-permanent and demi-permanent hair color can be applied to wet or dry hair, but wet hair application in not recommended for permanent hair color." Meanwhile, permanent color changes require a dry hair application. This could mean going lighter, or darker.

Does dark hair make you look older or younger?

Hair that's too dark doesn't reflect light. It can look opaque and age you, zapping life and color from your face. Very dark, one-dimensional hair will put a spotlight on your grays and regrowth. Ask your colorist for a single process with highlights to bring your natural hair color a shade or two lighter.

What is caramel brown hair color?

When you think of caramel brown hair, you likely picture this shade—a gorgeous mashup of rich amber, gold, and honey brown highlights set atop a soft brunette base. While you can hit the salon to achieve the dimensional hair color, it's not necessary.

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