Give it a month to 6 weeks after bleaching and see if your hair starts to recover. After you've been patient with your hair, here are some signs that it's time to book an appointment with a pro: difficulty brushing your hair. hair loss and hair breakage.
You can't get the color back unless you put it on your hair again. So, it will last till the moment you cut off all the bleached length.
"You must understand that it will take some patience during the transition," says Kandasamy. "You will have to grow your roots at least one to two inches. That means you will have to wait anywhere from two to four months to allow your hair to grow an inch or two. (If you can, wait even longer)."
How long does permanent hair dye generally last? Permanent hair dye typically lasts for between four to eight weeks before it grows out or fades (more on that below).
Ideally, permanent hair colour would stay just as vibrant as it was the day you coloured it, at least until the roots grow. On most heads of hair, that would mean a good 6-8 weeks between touch-ups.
“A big trick is always using hot water when you shower, because it's opening up the cuticle and getting that dye to fade quicker,” she says. “Most brands and professionals will recommend cold water to keep the color vibrant, but for fading definitely use warm [or] hot water.”
Papanikolas says the only guaranteed way to restore your hair's health back to its pre-colored state is to cut off the previously colored, bleached, or damaged hair and wait for your hair to grow back in its completely natural state. "Then, it will be healthy, virgin hair again, even after bleaching," he says.
Hair care tips: how to repair damaged hair
Firstly, if your hair has been permanently damaged by colouring or heat, you need to give it a break. Cuticles can be smoothed, but internal damage of the hair structure is only resolved by letting new healthy hair grow and having regular cuts.
Let your bleached hair grow out for about 2 months.
If you just got your hair re-bleached, let it grow out for a couple of months so you can see your natural hair color. That way, you'll be able to match it perfectly, and your new hair color will blend seamlessly into your roots.
Growing out bleached hair mainly depends on the bleach used, your hair type, and the color of your hair. You can play around with an ombre look or dye your bleached hair to a shade close to your natural color while growing it out.
The fastest solution is to dye your hair with darker hair colour to even out the bleached hair. Remember bleached hair is super dry, and can be easily broken so try to wait for a day or so to dye your hair with a darker colour.
Once you have processed or color-treated hair, it can never go back to being virgin. That's right, once you've dyed your hair, even just once, you lose your virgin strands forever. Virgin hair is a hair colorist's dream because it's also much easier to color hair that doesn't already have dye on it.
Unfortunately, hair Color damages your hair. When you dye your hair it lifts the cuticle, altering the hair in a way that will never completely revert back to it's natural virgin state. However, the hair that grows from your scalp will grow out normally so only the hair that has been dyed is affected.
Typically, your color will last for about 8 to 10 washes in total.
It's not your imagination — red hair dye does fade faster than other hair color shades.
Permanent hair color is the most long lasting hair color as it doesn't wash off. It is usually used when you want to lighten or darken your hair. If you are looking to cover your greys or opt for a global color, it is best to choose a permanent hair color shade.
2. And your hair might feel healthier. While hair dyes and techniques have come a long way since their follicle-frying beginnings, they do still leave some damage. Taking a hiatus from color will help your hair return to its previous state--especially as dyed ends get chopped off.
Bleach damage is as cumulative as it is permanent, and your ends will be less equipped to survive it every time.
And because it opens the hair cuticle, bleach can cause brassiness, dullness, breakage, thinning, and sap the hair of moisture. But not to worry — healthy bleached hair is possible with a little advice from the professionals.