For thick hair, washing every 2 to 7 days is generally recommended, but it varies; you might only need it once a week or even less, while some with oily scalps might need it every other day to avoid buildup and irritation, but avoid overwashing which strips oils and causes dryness. Thick hair's coarseness absorbs oil slower, so it doesn't get greasy as fast as fine hair.
How often to wash thick hair: For people with thick, coarse hair, you may only need to shampoo from one to every two weeks - especially if you have very tight curls, which can become damaged with over-washing and styling.
Shampoo removes sebum, sweat, and other debris from your scalp. However, washing your hair too frequently or with overly harsh shampoos can leave it looking dry and frizzy. Your scalp may also become dry, irritated, or itchy. Dry, brittle hair that's prone to breakage or split ends can be a sign of over-washing.
“Even with daily exercise, you don't need to wash your hair daily,” says Dr. Khetarpal. “I typically advise people to keep to a standard hair washing schedule, whether it's three times per week, once a week or once every other week, regardless of activity level.”
It's the opposite, if you want healthy and long hair and a healthy scalp you should wash it at least twice a week. The more you wash your hair the faster it grows and the stronger the hair that comes out of your scalp will be. Once a week is the absolute minimum, according to dermatologists.
Biotin is a supplement thought to increase hair growth, but did you know you can find biotin naturally in foods like salmon, eggs and chicken? Hair is comprised of protein, so it makes sense to ensure you're factoring in a good amount at each meal.
Signs That You Aren't Cleaning Your Clothes Enough
5 Signs of Damaged Hair
Healthy hair care tips from dermatologists
There is a general consensus on how long is too long to go without shampooing. According to Fernández, it is not advisable to go for more than a week without washing hair, as “follicles become clogged and do not get oxygenated,” she explains.
5 Signs It's Time to Wash Your Hair
Signs and symptoms of hair loss may include:
Best Vitamins For Hair Loss
Over-moisturized hair looks limp, mushy, and lacks definition, with curls falling flat and feeling overly soft, stretchy (without bouncing back), and heavy, often appearing stringy or greasy, even feeling cool and damp for a long time after washing due to moisture overload and a lack of protein balance.
Facts About Shampooing Frequency
Those with fine hair or oily scalps typically need to shampoo more frequently, roughly once a day or once every other day. If you have thick, coarse, or chemically treated hair, you may benefit from a less frequent wash schedule.
Dr. Khetarpal said factors like age, hair length and hair type determine how frequently you should wash your hair. Younger people tend to have oilier hair and might need to wash it more – while it may be the opposite for older adults since oil glands in the scalp become less active with age.
Plus, you'll get tips on how to look like you just stepped out of the salon.
If you shower less frequently, dead skin, dirt, product residue, and sweat may also build up on your scalp. This can result in greasy hair, increased risk for infection, and unpleasant odor.
Dodd shares the eight best foods for hair growth.
What Damages Hair?
The following vitamins are vital to healthy hair growth and avoiding hair loss:
The "Big 3" hair loss treatments, popular in forums, are Minoxidil, Finasteride, and Ketoconazole shampoo, often combined to tackle hereditary hair loss (androgenetic alopecia) by boosting growth, blocking hormones, and reducing inflammation. Minoxidil (Rogaine) widens blood vessels, Finasteride (Propecia) blocks DHT, and Ketoconazole fights scalp fungus and inflammation, with microneedling sometimes considered a fourth addition.
If you feel better with a daily showering routine, go for it. If you would rather skip some days, that's OK, but never go more than two or three days without washing your body with soap.
An easy way to tell if you have a moisture overload in your hair is to take a strand of your hair and stretch it. If it stretches very far, feels mushy and then snaps, your hair is over-moisturized. Another consequence of too much moisture is a condition known as hygral fatigue.
With that said, there's good news: Spacing out your shampoos isn't always a bad thing. In fact, washing your hair less often can actually be better for its health. According to dermatologists, most people shouldn't be shampooing daily.