Are you thinking about coloring your hair at home? It's a big decision because hair coloring ranges from a gloss that adds shine to a full head of bleach, and those two do very different things to your hair strands.

Chances are you're wondering which one you need and how much damage it causes.

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Hair color changes your hair strands, not just how they look. Permanent hair color and bleach both open your hair cuticles (the shingled outer layer of each strand), so pigment can move in or out.

That leaves your cuticles rougher than they started. This is why color-treated hair feels coarser, dries out faster, and needs more conditioning than hair you've never processed.

In this article, we'll help you find the right route for your hair. Each route has its own step-by-step guide, and we'll finish with the hair care that keeps your color looking fresh. Let's get into it!

Start here: Which coloring route are you on?

Tips Before Coloring Your Hair

Before you start coloring your hair, there are a few things you should check.

How light is your hair now?

Hair color lifts from your current shade, not from the swatch on the box. For example, dark brown hair won't land on ash blonde in one session just because that's the picture on the package.

Find your starting level first. Then treat the box shade as a possible result once your hair reaches the right level, not as a promise of what you'll get tonight.

Next, think about your hair porosity, which describes how easily water and products move into and out of your strands. Highly porous hair may grab color quickly, turn darker than expected, and fade sooner. Hair with a tighter cuticle may take longer to process.

Old permanent color, henna, mineral deposits, and product buildup can all change how a new shade develops. Permanent color generally won't evenly lighten old permanent color, so putting a lighter box dye over an older, darker one can leave you with bands instead of one even shade. If you still have old color in your hair, read the removal section before the coloring section.

Has your hair been chemically processed?

Relaxers, perms, and keratin treatments all count as chemical processing. Adding permanent color or bleach too soon afterward raises your risk of dryness and breakage.

Leave at least two weeks between a relaxer and hair color, and wait longer if your hair still feels weak. Never schedule both services for the same appointment.

Hair that has been processed twice may take color unevenly and lose it faster, so your shade may fade sooner than the box promises.

Is your hair strong enough right now?

Look at what is already coming out in your comb. If you're seeing short broken pieces instead of full-length shed hairs, your hair is breaking. Hair color won't fix that, and permanent color or bleach can make it worse.

Pause your color plans and spend the next few weeks on deep conditioning and gentle handling. Use protein only if your hair needs it, since too much can leave your curls stiff and brittle. Look again once the breakage has settled down.

Should you color at home or in a salon?

Staying close to your current level or using a deposit-only color is usually the most manageable route at home. Lightening more than three shades requires stronger peroxide. It can cause more damage, which is why the American Academy of Dermatology recommends staying within three shades of your natural color when possible.

Going three or more levels lighter, correcting a color that went wrong, or covering gray throughout long or dense hair is where a professional colorist can earn the extra cost. You're paying for someone who can watch your tone as it develops and work evenly on areas you can't see.

Going lighter: bleach, developer, and lift

Lightening removes natural pigment from your hair, which is why it has the greatest potential to damage your hair strands. Bleach alters the cuticle and breaks down the melanin underneath. Once that pigment is gone, you can't restore it.

For example, dark hair typically goes through red, orange, and then yellow on the way to a pale blonde. You can't safely skip those stages. If a session stops while your hair is orange, that doesn't necessarily mean the lightener failed. It may mean your hair reached the safest stopping point for that day.

Plan a major change across several sessions, with time between them, instead of trying to reach pale blonde in one long appointment.

What hair developer does

Developer is the other half of the job. It contains hydrogen peroxide, and the volume number tells you its strength. A 10-volume developer is commonly used to deposit color with little or no lift. A 20-volume developer can often lift natural hair by about one or two levels when used with permanent color. Finally, 30- and 40-volume developers are much stronger and carry a higher risk of damage.

The result also depends on the product, your starting level, and the condition of your hair. Don't replace the developer your instructions call for with a stronger one. Higher volume isn't faster in any way that helps your curls.

Patch tests and strand tests

Do a patch test and a strand test every time, even with a hair coloring product you've used before. A patch test tells you whether your skin reacts to the dye. The FDA recommends doing one before every application and following the timing in your product instructions, which is often 48 hours.

A strand test on a small, hidden section shows what the color does to your hair and how long it needs to process. These two tests cost you an evening. Skipping them can cost you your color, your scalp comfort, or your length.

Toning and color correction

Toning corrects unwanted shades, such as yellow or orange, without making your hair noticeably lighter or darker. When lightened hair looks brassy, orange, or yellow, you're seeing the warmth exposed during the lifting process. A toner softens it by depositing a small amount of the opposite color.

That's all a toner does, and it's why the color wheel below is worth a few minutes of your time. Find your tone, look straight across the wheel, and you'll find the toner you need.

Purple shampoo works on the same principle in a milder form. It can keep blonde or gray hair from drifting yellow between appointments, but it won't correct bright orange hair on its own. Orange needs blue, while yellow needs violet.

A toner is a color service. A toning shampoo is maintenance. Neither one lightens your hair, so if your hair is too dark rather than too warm, toning is the wrong tool.

Going darker and depositing color

Deposit-only color adds pigment without removing your natural color, so it's generally the gentlest route. Semi-permanent color and glosses mostly coat the outside of your strands or settle near the cuticle, then fade over several washes.

Demi-permanent color uses a low-volume developer and usually lasts longer than semi-permanent color. Permanent color uses developer to form color molecules inside the strand. It must grow out, although the shade can fade over time.

Going darker over hair you've already lightened is where many at-home color jobs go wrong. Bleached hair may be missing much of the warm pigment that normally sits underneath brown hair, so putting a cool brown directly over pale blonde can leave the result looking green, gray, or muddy.

A warm filler shade can replace some of that missing pigment before you apply your target brown. The correct filler depends on where your hair is now and how dark you want to go, so a major change is easier to get right with a colorist.

Choose your depth based on the upkeep you want, not just the shade you like. A color close to your natural depth usually grows out more softly. Move several levels away, and you'll notice the line at your roots much sooner.

Covering or growing out gray

Gray strands have little or no natural pigment, and some resist color more than the surrounding hair. That's why coverage may fade first around your temples and along your part.

For full gray coverage, permanent color is usually the most reliable option. Many gray-coverage formulas use 20-volume developer, but use the developer specified for your dye instead of choosing one based on a general rule.

If you'd rather grow your gray out, highlights and lowlights can soften the line between your previous color and your new growth. That way, you won't end up with a hard band as it grows out.

Between full applications, a root touch-up kit can cover the regrowth at your part and temples without pulling permanent color through your ends again. Apply it to the new growth unless your product tells you to refresh the rest of your hair. Repeatedly coloring processed ends can leave them darker, flatter, and more damaged than your roots. That is why colorists often only color your new growth, and it helps keep your gray coverage even.

Removing hair color and starting over

A color remover and bleach do two different jobs. A reducing color remover shrinks certain artificial dye molecules so you can rinse them out. Bleach breaks down natural and artificial pigment, so it can lighten your hair beyond the shade you started with.

A remover can't restore natural pigment that's already been lifted out. It may also leave your hair warmer than you expected because removing the darker artificial dye reveals the red, orange, or yellow underneath.

Don't assume one removal session will return your hair to its original shade. Follow the product instructions, rinse for the full recommended time, and expect that you may need to tone or recolor afterward.

Give your hair time to recover before adding another chemical service. If it feels gummy, unusually stretchy, rough, or fragile after removal, stop and move to the repair section instead of applying another color.

Repairing color-treated hair

Color damage usually shows up in three ways. Your hair snaps when you comb it. It feels gummy and stretches too far when it's wet. Or your scalp feels sore, blistered, flaky, or scabbed after a coloring service.

The first two point to damage inside your strands. Burning, blisters, or scabs point to a scalp injury or reaction. Rinse the product out immediately if it burns, and contact a medical professional if the pain is severe, your skin blisters, or the irritation doesn't settle.

You can't permanently rebuild a strand that has already split or broken. Repair means reducing further damage, supporting the hair that remains, and trimming ends that are past saving.

Bond-building products may temporarily reinforce some chemically damaged hair. Protein treatments can help some weak strands feel stronger, while deep conditioners improve softness and reduce the friction that contributes to breakage.

Use each treatment based on how your hair responds instead of piling all three onto every wash day. Too much protein can leave curls stiff and brittle. Stop coloring while your hair is breaking, gummy, or unusually weak.

Hair care for color-treated hair

Once your hair has been colored, your goal shifts from getting the shade to keeping it. Color fades a little each time you wash your hair, so a color-safe routine is mostly about washing gently, replacing moisture, and limiting more damage.

Follow your product's instructions before your first shampoo. Many permanent colors do best when you wait a day or two before washing again, but your product's directions come first.

Ultimately, keep your routine simple: wash your scalp, deep condition, apply your leave-in, and style gently. Add a chelating shampoo if you have hard water or swim regularly. Add a protein or bond-building treatment only when your hair gives you a reason.

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Sample Step-by-Step Hair Care Regimen

Washing color-treated hair

Wash color-treated hair about once a week if your scalp and hair can tolerate that schedule. If your scalp becomes oily, itchy, or coated sooner, wash more quickly. Keeping your color isn't worth ignoring your scalp.

Use a gentle shampoo made for color-treated hair. Some strong clarifying formulas can noticeably fade artificial color, so save them for when you truly need to remove buildup.

Conditioning color-treated hair

Deep condition after shampooing, especially if your hair has been permanently colored or bleached. Use a moisturizing treatment most wash days and add protein when your strands feel weak or overly stretchy.

Your hair tells you when the balance is off. Limp, gummy, overly stretchy strands may benefit from protein. Stiff, rough, or straw-like curls need a break from protein and more conditioning.

Keeping your hair color from fading

Once you have the shade you want, water, heat, and repeated washing become the main things working against it. You don't have to avoid all three, but you will need to use them more thoughtfully.

Water affects your color in three ways: how often you wet your hair, which minerals are in the water, and how hot the water is.

Artificial color fades a little every time water moves through your strands. Wash as often as your scalp needs, but avoid shampooing out of habit when your scalp and hair are still clean.

If once a week works for your curls and scalp, that schedule can help your color last. If you need to wash more often, choose a gentle cleanser and focus it on your scalp instead of scrubbing it through your ends.

Hard-water minerals and pool water can make your color look dull or shift its tone. A chelating shampoo binds those minerals so they can rinse away, but it can also fade some artificial colors. Use it when you need it, not at every wash.

Soak your hair in clean water before swimming. Hair that is already saturated has less room to absorb pool water. A swim cap offers more protection, though no cap keeps every drop out.

Very hot water can make artificial color fade faster, so use cool or lukewarm water if that feels comfortable. You don't need to suffer through an icy rinse. Your conditioner does more for smoothness and shine than the water temperature does.

Choosing color-safe hair care products

Start with a shampoo and conditioner that say color-safe. A strong clarifying shampoo can fade your color noticeably, but you may still need one occasionally when buildup keeps moisture from reaching your strands.

Color-depositing conditioners contain a small amount of pigment to refresh your shade between full applications. They're especially helpful for red, copper, and fashion colors that fade quickly.

Deep condition regularly, limit unnecessary heat, and protect your hair during long stretches in direct sun. Those habits will do more for your color than buying a separate product for every step.

Heat styling and hair color together

Heat styling adds more stress to hair that has already been chemically processed. Turn the temperature down, use a heat protectant, and avoid making a flat iron or curling iron part of your everyday routine.

Air-dry your hair when you have the time. If you diffuse or blow-dry, stop once your hair is dry instead of continuing to apply heat to make it smoother.

Is coloring your hair worth it?

Hair color is one of the fastest ways to change your look. For many women, it's also the part of their beauty routine that lifts their mood. Gray coverage, a warmer brown for winter, or the color you've wanted since you were fifteen are all good enough reasons.

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The honest tradeoff is upkeep. Permanent color usually means a root touch-up every six to eight weeks, a gentler wash routine, and more consistent conditioning than you may be doing now.

If that's more than you want, a semi-permanent color or gloss can give you plenty of change without a hard regrowth line. It fades instead of growing out with a sharp line at your roots.

Common questions about hair coloring