Not washing your hair regularly won't make you lose it, but a build-up of oils and products can block growth and affect scalp health.
While the research into hair washing frequency and hair loss is minimal, one study has found that low wash frequency may be associated with increased hair loss [1]. That's because washing your hair less often can increase sebum (the natural oil produced by your scalp) and scalp sensitivity.
If you're comfortable and your hair looks and feels good, your routine is likely fine. In summary, washing your hair once a week and rinsing it daily can be a healthy routine for many, especially if aligned with your hair type and scalp needs.
No, it doesn't cause hair loss. If you think you see more shedding when you do shower, it is likely just because you would have shed that hair in a previous shower, but are only now agitating your scalp a bit, so a week's worth of shedding it happening at once.
For thinning hair, it's generally recommended to shampoo every other day or every two to three days. This frequency helps to maintain scalp health and cleanliness without over-stripping natural oils, which can be beneficial for hair growth.
In fact, washing your hair less often can actually be better for its health. According to dermatologists, most people shouldn't be shampooing daily. So, depending on your hair type and the state of your scalp, you may be fine to wait a whole week or (gasp) longer before sudsing up again.
If your hair is extremely dry and not washed often enough, it can lose its natural moisture with age. According to stylist Rosi Fernandez, director of Ananda Ferdi 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.
The average person loses around 50-100 hair strands every day, but that amount can go up to 200 strands for those with very thick and long hair.
“There are too many variables to set one rule,” Jessica J. Krant, a cosmetic and medical dermatologist at the Laser & Skin Surgery Center of New York said in an interview. “I believe hair can be washed anywhere from daily to once every two weeks, depending on hair and skin type, hairstyle and lifestyle.”
FAQ. How Often Do Koreans Wash Their Hair? Due to the environmental pollution, it is common for people in Korea to wash their hair every day. Because the Korean hair care routine is all about scalp health and cleansing, the products used are very gentle and don't cause damage at all.
Your scalp and your strands need moisture to stay healthy, so try to cleanse once a week if possible. If you're working with fine or thin hair, or you have an oil-prone scalp, you may need to suds up a few times a week, every other day, or even daily (if you're, say, running a marathon in scorching heat every morning).
It's perfectly normal to lose a few stray strands when running your fingers, or a comb, through your hair. But if you notice increased hair being pulled out when you are being gentle, this can be a cause of concern that you should get checked over.
On the other hand, there are some benefits to not washing your hair unnecessarily. Over-washing strips your hair of its natural oils, causing it to become dull, dry and brittle.
“Regardless of how your hair feels, though, don't go longer than 14 days, ever,” Lamb says, who doesn't buy into the total 'no poo' movement. From a medical perspective, Goh says some of her patients only wash their hair once a week. She says as long as they don't have scalp problems that seems OK.
If you normally wash everyday, it'll take time to get used to washing it less. So start by going an extra day or two in between your normal washes. Rinse your hair with water in between shampoos and try to build up to once a week. When your hair adjusts you'll notice a dramatic difference.
Among the common causes are high fevers, childbirth, severe infections, severe chronic illness, severe psychological stress, major surgery or illnesses, over or under active thyroid gland, crash diets with inadequate protein, and a variety of medications.
Only riboflavin, biotin, folate, and vitamin B12 deficiencies have been associated with hair loss. Vitamin B2 (riboflavin) is a component of two important coenzymes: flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD) [22].
Effective treatments for some types of hair loss are available. You might be able to reverse hair loss, or at least slow it. With some conditions, such as patchy hair loss (alopecia areata), hair may regrow without treatment within a year. Treatments for hair loss include medications and surgery.
Taking hair loss medication
According to a 2019 review of studies , minoxidil, applied topically, is the go-to treatment for androgenetic alopecia in both men and women. Minoxidil is the active ingredient in Rogaine, which is available over the counter (OTC).
If you've lost hair from female pattern baldness, it won't grow back without treatment. Proper treatment can stop hair loss and help regrow some hair.
Despite its popularity in the media and amongst consumers, biotin has no proven efficacy in hair and nail growth of healthy individuals. Only 1 study has shown decreased levels of biotin in healthy individuals, though this data was confounded by multiple factors, including patient history.