Be careful of itchy scalp after shampooing! A thorough explanation from a hair specialist!
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Why does my scalp feel itchy even after shampooing properly? I would like to explain about this.
Be especially careful if you shampoo your hair thoroughly!
Are you washing your scalp too thoroughly, thinking that your itchy scalp is because you haven't removed the dirt properly?
For those who shampoo their hair thoroughly, and for those who use shampoos with strong cleaning power to remove dirt from the scalp.
This can lead to a dry scalp and cause itching.
Many patients visit our clinic with scalp itching.
Some patients who come to us believe that dirt buildup on their scalp is the cause of their itching.
Some people shampoo their hair twice a day to thoroughly remove dirt from their scalp.
Increasing the number of times you shampoo your scalp to relieve itchy scalp will have the opposite effect.
The more frequently you shampoo, the more dry and itchy your scalp becomes.
At beauty salons, customers are asked to check the condition of their scalp using a microscope after shampooing.
After shampooing, we dry your hair with a hair dryer and then check the condition of your scalp with a microscope.
Many people may think that their scalp is in better condition since the hairdresser has shampooed it.
To be honest, my scalp after shampooing is so dry that I don't want to show it.
Shampoo removes dirt from pores and sebum, but it dries the scalp and makes it easier for the dead skin to peel off.
How to shampoo
I think there are many people who feel that if the shampoo doesn't lather, it doesn't wash properly, but even if it doesn't lather, it can wash well.
When washing, rub the area in a massaging motion to ease the itching.
The more often you shampoo, the more itchy and dandruff you will experience, which can lead to hair loss.
It is very important to be conscious of how you wash your hair, the shampoo you choose, the frequency of shampooing, and the amount you use.
Things to be careful about when using shampoo
・Points on how to wash shampoo
When washing your face, you probably wash it gently with the palm of your hand, but when washing your head, most people scrub with their fingers raised.
When washing your hair, it is important to wash it as gently as you would wash your face.
When shampooing, the key is to use the pads of your fingers to massage your scalp while washing, and use the foam to lift the dirt and remove it.
・Rinse with hair oil
Scalp itching can be relieved by simply applying hair oil to the scalp, lifting the dirt off the scalp, and rinsing it with warm water.
・Strength of cleaning power ・Number of shampoos
Regarding the frequency of shampooing, some people who are concerned about their scalp's stickiness shampoo twice a day.
Washing your hair too much can lead to dry, itchy scalp.
Ideally, shampooing once every two days is sufficient.
Using shampoos with strong cleansing power can also lead to dry scalp.
A long time ago, I tried washing my hair with strong detergents such as dish detergent and soap, but my hair became really stiff.
I don't think anyone has tried this far, but washing with strong detergents and shampoos can dry out your scalp.
Shampoo recommended for people with severe itching
For those who suffer from severe itching, we recommend a shampoo that is mildly acidic and has strong moisturizing properties.
You can also prevent your scalp from drying out by adjusting the amount of shampoo you use and washing your scalp with hot water once every two days to reduce the number of shampoos you use.
The human body is not designed to wash with strong detergents, so it is not a good idea to wash too much with too much stimulation.
Also, if you wash your hair frequently, shampoo and treatments may remain on your skin and cause irritation.
In many cases, itching is caused by unwashed skin.
The importance of moisturizing the scalp
We have mentioned that itchy scalp is often caused by dry scalp.
If you want to reduce the itching, it is important to moisturize your scalp by applying a special cream.
During the summer and other seasons when UV rays are strong, your scalp may become itchy the moment you get home.
It is very important to stay well hydrated.
It is a good idea to take care of your scalp in the same way you take care of your face.
Give your scalp the same care as your face
I don't think there are many people who don't moisturize their face after using a hair dryer.
However, it seems that few people take care of their scalp after drying their hair.
The face rarely gets itchy, but many people find that their scalp is prone to itching.
The difference lies in whether or not you provide proper moisturizing care.
If you are prone to itchy scalp, it is likely that your scalp is dry, so we recommend that you take good care of it, just as you would your face.
Summary
・Using strong shampoos or shampooing multiple times a day can dry out your scalp and cause itching.
・Washing your scalp as if massaging it can help relieve itching.
Article supervisor

Director of Dr. TOUHI CLINIC
Aiko Isami
Aiko IsamiGraduated from the University of Tokyo Completed initial training at Nagaoka Red Cross Hospital
While specializing in neurology, he became aware of the importance of scalp and hair care after working in AGA treatment. In 2023, he opened "Dr. TOUHI CLINIC" and "Dr. TOUHI SALON," clinics that cater to all scalp and hair problems.
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