Ms. Fatima Fahs, a dermatologist in the US, said: "Shampoo is used to clean the scalp and hair. They remove dirt, oil and plaque. However, washing your hair too often can cause dry, itchy scalp and hair loss.
Ms. Fahs explains that sebum from the base of the hair follicle nourishes the hair. Therefore, washing your hair frequently can irritate the scalp and damage the hair, according to the health page Everyday Health.
How often you wash your hair depends on each specific person
What is the appropriate frequency of washing hair?
Each person's scalp and hair condition is different, so the frequency of shampooing is also different. For example, the scalp of someone with curly hair may be drier than the scalp of someone with straight hair.
According to Ms. Jennifer Davis Alexander, a skin health care expert in the US, if your scalp and hair are easily oily, you will have to wash your hair more often.
According to Ms. Alexander, factors that can affect the frequency of hair washing are exercising, swimming in pools with chlorine disinfectants, working with dirt and chemicals, and using hair products. hair, hair styling.
In addition, ethnicity can also affect hair. Accordingly, for white and Asian people, hair follicles are often round and symmetrical. This causes sebum to stick more tightly to the scalp and hair.
According to a study published in the journal Skin Appendage Disorders In 2021, Asians should wash their hair 5-6 times a week.
How to wash your hair
According to the American Academy of Dermatology (AAD), you should massage your scalp with shampoo. Massaging shampoo onto the scalp will help increase blood flow to nourish the scalp and hair follicles. In addition, you also need to use conditioner on the ends of your hair.
According to Ms. Fahs, after massaging, you need to wait a few minutes before rinsing so that the active ingredients in the shampoo can work effectively.
The “no poo” trend
Currently, the “no poo” trend is popular. Accordingly, people who follow this trend will not wash their hair with shampoo. However, not using shampoo can clog hair follicles, weigh down hair and disrupt the pH, sebum, and microflora of the scalp, according to Everyday Health.
And if your scalp feels unusually dry or itchy, see a dermatologist for a check-up.
