Is it okay to wash my hair after treatment?

Author: Lawson Simonis  |  Last update: Thursday, September 11, 2025

It's best to wait at least 24 to 72 hours before washing your hair after a keratin treatment. The exact time depends on the type of treatment you used. Professional treatments typically require 24 hours, while at-home treatments may require a longer wait of up to 72 hours.

How long after hair treatment can I wash my hair?

One common mistake many people make after getting a hair treatment done is washing their hair immediately. Whether it's a new hair colour or a nourishing treatment, your hair needs a bit of time to soak in all those fantastic benefits. Resist the urge to lather up for at least the first 24 to 48 hours post-treatment.

How long should I wait to wash my hair after getting it professionally done?

Most hairstylists recommend waiting between 24/48 hours ( 1/2 days) washing your hair after a color/toner service. If you can wait until tomorrow it would be better.

How long should you wait to wash your hair after color treatment?

After having your hair colored, wait a full 72 hours before shampooing. It takes up to three days for the cuticle layer to fully close, which traps the color molecule, allowing for longer-lasting hair color. You must have to use a shampoo that doe...

What to do after a hair treatment?

Here's what you should know:
  1. Wait Before Washing.
  2. Use Sulphate-Free Shampoo and Conditioner.
  3. Avoid Salt Water and Chlorine.
  4. Minimise Heat Styling.
  5. Prioritise Regular Touch-ups.
  6. Use Silk Pillowcase.
  7. No Hair Tying or Clips.
  8. Use Keratin-Infused Products.

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Do you wash off hair treatment?

You don't have to wash your hair when you get home, but you will need to rinse the conditioner out of your hair ideally within 24 hours of completing your first treatment. This can be done the morning after treatment if you are too tired when you get home.

How long does treatment stay in hair?

Typically, the effects of a keratin treatment can last between 3 to 5 months, depending on the hair type and maintenance routine. To maximize the longevity of a keratin treatment, it is essential to follow proper aftercare.

Why do salons wash your hair after coloring?

Post-color washing is essential for maintaining the structural integrity of your hair. By cleansing and conditioning, salons help in closing the hair cuticles, locking in moisture, and preserving the smoothness of your locks.

Can I wash my hair 24 hours after dying it reddit?

You're supposed to rinse your hair when the color is done processing (with shampoo), then condition it to close the cuticles in your hair. After you condition, you've completed the last step of dying your hair. So now that you're all done, wait 72 hours until you wash again.

What happens if I wash my hair after highlights?

When you wash your hair too soon after your appointment, the cuticle layer could still be open. It takes up to three days for the cuticle layer to fully close, so the longer you wait to shampoo your hair after your highlights this will help your highlights last longer.

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

In conclusion, it is recommended to come to your hair appointment with clean hair but not freshly washed or wet hair. Communication is key, so don't hesitate to ask your stylist for their preference to ensure you get the best possible results.

Is it okay to wash hair after salon?

It's one of the biggest faux pas clients can make with their colored hair: washing it too soon after leaving the salon. By lathering up within 24 hours of their appointment, they risk fading their shade – so encourage them to wait.

What is the best color safe shampoo?

Our top pick is awarded to the K18 Peptide Prep pH Maintenance Shampoo because it cleanses, boosts vibrancy, protects color, and imparts shine—and only requires a few drops to make a big difference. Another great choice is the Olaplex No. 4 Bond Maintenance Shampoo, which is extremely cleansing and strengthening.

Can I wash my hair 2 days after treatment?

Yes, you can wash your hair after two days of straightening. Just ensure you use the right products that won't strip the keratin, helping to maintain your hair's smoothness and shine.

How long should you leave a treatment on your hair?

The directions for most hair masks say to leave it in for 3 to 5 minutes on damp hair, but there are exceptions. Damaged or severely dehydrated hair may need up to 15 or 20 minutes for best results.

Why is my hair still frizzy after keratin treatment?

One of the common culprits for frizz after a keratin treatment is product buildup. Over time, styling products, oils, and environmental pollutants can accumulate on the hair. So, they start creating a layer of residue that weighs it down and compromises the effectiveness of the keratin treatment.

What happens if you wash your hair too soon after dying it?

“I generally tell my clients to wait 48 hours before they wash their hair,” VanDyke says. During the first 48 hours after a color service, the pigments of the salon color are still settling—meaning if you shampoo your hair too soon after an appointment, it can cause your hue to fade quicker.

How often should you wash your hair?

Generally, he says, the range is somewhere between once a day and once a week. “If you have very fine or thin hair, you may need to wash more often, while those with thick or curly hair may need to wash less often,” says Dr Elizabeth Bahar Houshmand, a double board certified dermatologist and hair health expert.

How long should I wait to wash my hair after toning it?

Once you leave the salon try not to wash your hair for 24-48 hours. This will help prolong the tone of your hair.

Do hairdressers prefer clean or dirty hair?

If you're planning to get a haircut, washing your hair beforehand can be crucial. Clean hair gives your stylist a better view of your hair's natural fall and texture. Choosing the Right Shampoo: Use a shampoo that suits your hair type. For color-treated hair, opt for a color-safe shampoo to prevent fading.

Can I wet my hair 24 hours after dying it?

Avoid Washing for 48 Hours

Celebrity stylist Cody Renegar says this helps the pigment settle into your hair. “If you wash it before then, there's a chance the color will fade,” Renegar warns. It also goes without saying that you should avoid getting hair wet in hot tubs or pools, which is even worse!

Should I wash my hair before dying it if it has 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.

Should I wash my hair after treatment?

We would advise waiting 48 to 72 hours before washing your hair if you underwent an at-home keratin treatment. Because if you do it that way, all of the keratin will have been absorbed by your hair cuticles.

What is the least damaging hair treatment?

Brazilian straightening is the least damaging hair straightening method thanks to the use of keratin and gentle formulas that respect the natural structure of the hair. By offering long-lasting results and improving the overall health of the hair, Brazilian straightening stands out from other straightening techniques.

Do I have to wash off hair treatment?

Unless the instructions indicate the formula is a leave-in, you should always rinse off a mask after use.

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