When to wash. Rossi generally tells his patients they should wash their hair once or twice per week. But if you've had chemical treatments that can make your hair drier — such as bleach, perms or relaxers — you might want to wash it less than once weekly to avoid breaking or brittle hair or split ends, he said.
The experts agree: Only a small group needs to shampoo daily, like those with very fine hair, someone who exercises a lot (and sweats), or someone living in very humid place, Goh says. “If you have oily scalp, then daily washing is needed,” she explains.
She says it's more important to consider your hair type, texture and amount of oil production you usually experience. “I typically advise patients to keep to a standard hair washing schedule, whether it is three times per week, weekly or once per month, regardless of activity level,” she says.
Oily and fine or thin hair types should wash every one to two days. This schedule allows for removing buildup and the natural oils to stimulate hair health and growth. Wavy or curly hair and dry or damaged hair types should wash in the range of once every four to seven days.
Generally, if your hair isn't greasy or dry, you should cleanse it every two to three days, King recommends. But if you wash hair too often for your hair type, "it could be very drying to the hair, depending on the ingredients in the shampoo," King says.
Everyone's scalp can get a little oily sometimes. But a little oil is OK! Oil (sebum) helps protect and support healthy hair. But an abnormally oily scalp can feel like a problem if it makes your hair feel greasy or dirty all the time.
Hair Washing Frequency and Tips
“I recommend washing your hair two to three times a week,” Dr. Icecreamwala says. “If your hair is dry, you may only want to wash it twice a week. If it is on the oilier side, every other day is recommended.”
The more water you use to moisturize your hair and scalp, the healthier your scalp will be. A clean, healthy scalp promotes hair growth. The bottom line is that dirty hair does not grow faster than clean hair, so you might as well have a clean scalp and fresh hair.
“Washing it more does not cause your hair to grow less,” says Yates, noting that washing your hair less could lead to follicle damage, not the other way around. “A build-up of sebum and/or styling products can clog your hair follicles, leading to follicle damage and ultimately hair loss,” she adds.
There are some benefits to not washing your hair, especially if you have dry hair, damaged hair, or tightly curled hair. Depending on your ethnic background, less frequent washing can also help reduce breakage and hair loss.
Try this: Use dry shampoo before your hair gets greasy. Apply dry shampoo in your hair before you go to bed and allow it to stay overnight. This allows the dry shampoo to soak up the natural oils your hair produces while you sleep and you will be able to brush it out in the morning.
Q: How often do celebrities wash their hair? Shampoo your hair 1-2 times a week, max. If you go to the gym and sweat, you can rinse the hair and run a light conditioner through the ends, but don't use shampoo.
"The average individual can typically go 2 to 3 days without shampooing their hair. However, if your hair is visibly oily, you may not want to wait that long," she says. "Usually, you can go longer without washing your hair when your hair is styled up, but no one should ever go more than 14 days."
It can make your hair dry and frizzy
If you have already dry hair, you do not need to wash hair daily or even every other day. Doing so instead can make your hair dry, frizzy, and more prone to damage.
“While it isn't recommended to wash your hair every day after a workout to avoid frizz and dryness, it is important to maintain hygiene as unwashed hair can be a source of bacteria and fungi,” says Dr Deshmukh. She also suggests using a separate towel or tissues to dab the sweat off your scalp.
Depending on your hair type, you can wait three to five days between washes, and we've got the scoop on how to survive the process while you're waiting for sebum production to slow down. We'll admit, the first two weeks are the most difficult, but after about week four, you should see a significant difference.
"There is no evidence or scientific data that cold water has an impact on hair growth," Longsworth said. "Instead, using properly pH-balanced products to wash and condition the hair is far more important.
"If a person is oily, it's fine to wash it every day. If they are dry, it's fine to wash it once a week, but once a week at least for hygienic purposes," Dr. Fusco says. (She clarifies that this is because product can build up on the scalp, potentially leading to clogged pores, irritation, or flakes.)
In general, people with fine hair will probably want to wash their hair 2-3 times per week, while those with coarse and curly hair can probably shampoo only 1-2 times per week. If you have natural or textured hair, you may want to shampoo less than once per week.
People with oily hair or who use hair care products daily should consider washing their hair once every 1–2 days. People with dry hair can wash their hair less frequently. Those with textured or coily hair should only wash it once every 1–2 weeks.
Experts usually recommend washing your hair two to three times a week; however, your washing frequency will depend on: Your age and hormones: Androgen hormones stimulate your sebaceous glands to produce more sebum.