Cosmetic Update

How to make your skin beautiful Basics of moisturizing care taught by a cosmetic dermatologist

Dry skin is your biggest enemy. What exactly should you use to get moisturized and glossy skin? You may have wondered about this at least once. It is said that the basis of beautiful skin is “moisturizing”, but are you really doing the right moisturizing care?

This time, we asked Dr. Yuki Horiuchi, director of Akihabara Skin Clinic, to explain the causes of dryness and the correct moisturizing method.

Don’t let your guard down! Skin becomes dry due to various factors such as season and aging!

–Does dry skin only occur in autumn and winter?

People tend to think that dry skin only occurs in the fall and winter, but it can also occur in the spring and summer.

In spring and summer, problems arise from the effects of air conditioning and ultraviolet rays. If you work in an office or are often in an air-conditioned environment all day long, your skin tends to dry out because you have less opportunity to sweat. Also, exposure to the air conditioner’s air can dry out your skin, especially on your face.

In addition, ultraviolet rays, which increase from early spring, can indirectly cause dryness. When exposed to ultraviolet rays, large amounts of substances called “active oxygen” are generated within the cells of the skin. Active oxygen damages skin cells and reduces barrier function, leading to dryness.

–Is the dryness in autumn and winter due to a drop in temperature and humidity?

Well, there are two reasons why we tend to feel dry in the fall and winter.

The first reason is that as the temperature drops and the humidity in the outside air decreases, moisture evaporates from the skin more easily . However, humidity also varies by region. For example, the humidity is lower on the Pacific side, where there is no snow, than on the Sea of ​​Japan side, where there is a lot of snow.

The second reason is that a decrease in body temperature causes a decrease in sebum secretion . As the amount of sweat decreases and the amount of sebum decreases, the skin becomes less covered and becomes more prone to dryness.

In addition, hot baths strip away sebum, which can also cause dryness.

–Does your skin become more prone to dryness as you age?

As we age, the activity of sebaceous glands that secrete sebum decreases, making our skin more prone to dryness. Generally, the number of sebaceous glands increases around puberty and then gradually decreases with age. It is best to think that the activity of sebaceous glands decreases from around the age of 30 or 40 .

In addition, the skin naturally has the ability to produce components related to skin moisture and firmness, such as hyaluronic acid and collagen, but this production power does not become stronger with age.

–What symptoms occur due to dry skin?

Dry skin, in other words, when the moisture content of the stratum corneum decreases and the skin’s barrier function deteriorates, skin problems such as wrinkles and pores are more likely to occur.

When the amount of moisture on the skin surface is low, fine wrinkles, where the skin folds and does not return, are more likely to occur. Also, when your skin is dry, the dead skin cells can become hard and clogged in the pores. To compensate for the dryness, excess oil may be produced, causing problems such as the skin becoming sticky even though it is dry.

In addition, when your skin becomes dry after your 40s, where so-called “sagging pores” occur, the pores may connect with each other and become like linear wrinkles.

Dryness can lead to various skin problems, so it is very important to take proper care of your skin to keep it moisturized.

 Proper moisturizing starts with face washing! Is double face washing necessary?

Image when washing your face

–Please tell us the key points of cleansing and face washing to prevent skin dryness.

When it comes to cleansing and washing your face, it is important to do it quickly .

Most cleansers and facial washes use surfactants. Surfactants have the ability to mix water and oil, which normally do not mix, so they have the ability to remove makeup and oil stains that cannot be removed with water alone.

On the other hand, the disadvantage is that the higher the amount of surfactant, the more it strips the skin of the sebum it needs and dries it out. That’s why it’s important to cleanse and wash your face quickly and thoroughly.

Also, washing your skin in a scrubbing motion can cause friction to your skin, so it’s a good idea to be gentle and quick.

–Is it a good idea to wash your face after cleansing?

Some people believe that double cleansing causes dryness, but this actually depends on a case-by-case basis .

Images of dry skin and oily skin face wash types

For example, if you have dry skin and don’t wear much make-up, if you continue to double wash your face every day, your skin will become extremely dry. However, if people with oily skin do not wash their face properly, it can cause acne, clogged pores, redness, and dullness.

A surprising pitfall is sunscreen. Even if you are wearing waterproof sunscreen with a high SPF, if you only use a gentle face wash, the sunscreen will remain on your skin and cause problems.

Don’t judge whether double face washing is good or bad for your skin; instead, you should choose a face wash method that suits you depending on your skin type, the amount of makeup you have on that day, the season, etc.

What is proper moisturizing skin care? Pay attention to the SOS signs on your skin

Images of moisturizing skin care items

–Please tell us the points we should pay attention to in daily moisturizing skin care.

Skin care is really difficult, and unfortunately there is no magic answer that says this method is best for everyone. Appropriate skin care varies depending on individual skin. Also, the skin care you need changes depending on the season and age .

One thing you should know is that your skin is sending out an SOS when the skin care products you normally use don’t feel right . In such cases, please do not force yourself to continue using irritating cosmetics and give your skin a rest.

–It doesn’t mean that you just need to paint it.
Well, if your skin is in good condition, skin care is minimal.

I’ve heard people say, “If you finish your skin care routine with just lotion and don’t add oil, the water will evaporate, so it’s no good,” but I don’t think that’s the case. Many lotions contain a fair amount of oil, and above all, your skin has the ability to secrete its own sebum to moisturize it.

Some people’s skin stays moisturized even if they complete their skin care routine with just lotion, while others feel dry even after applying a full course of cosmetics such as lotion, serum, milky lotion, and cream. Only your skin condition knows what your skin needs. If you have to apply a lot to get moisturized, your skin’s own ability to retain moisture may be weakened.

The most important thing is to find out what condition your skin is in and follow the skin care routine that suits your skin.

Lies and truths about skin care methods introduced on SNS

Images of false and true beauty information on SNS

–Information about various moisturizing care is introduced on SNS. Please tell us your opinion as a cosmetic dermatologist.

<Face Washing Edition>
Q. Washing your face with cold water or cold water is good for your skin from the perspective of moisturizing care! ?
I think it’s best to use lukewarm water or cold water at around 30 degrees Celsius for washing your face. Hot water washes away all the sebum that your skin needs, so it’s true that cold or cold water won’t remove sebum easily. Also, washing your face with water or cold water in winter is harsh, and it is not good for your skin to get cold and cause poor blood circulation.

Q. Washing your face with baby oil is good for your skin in terms of moisturizing care! ?
I think it depends on the individual’s skin type, but it may be suitable for people with dry skin. Baby oil itself does not contain any harmful ingredients or surfactants, so if washing your face with baby oil stabilizes your skin, then I think it’s fine. However, if you have oily skin or wear a lot of makeup, you may be concerned about whether the dirt is being removed properly if you use just baby oil to cleanse and wash your face.
If you decide to try it, be sure to check the method of washing your face with baby oil and decide whether it matches your skin type and makeup before doing so.

<Moisturizing care>
Q. It is best to pat the lotion on your skin! ?
Slapping your skin is not a good thing to do as it can irritate your skin and lead to inflammation. You can apply it on cotton or with your hands, but when using cotton, be careful not to pat or rub it. When applying it with your hands, the key is to wrap it around your hands and blend it in without sliding your hands over and over again.

Q. Daily sheet packs are good for your skin! ?
I think people who use face packs every day and whose skin is in good condition can use it. However, the pack itself often contains oil, and the oil content may become excessive. Also, the frequency of use is often written on the package, so be sure to check the precautions before use.

Q. What is the effect of “slugging”, where you apply a large amount of Vaseline before bed and wash it off in the morning? ?
Vaseline doesn’t contain any ingredients that are bad for your skin, and it has the advantage of preventing moisture from evaporating from your skin, just like plastic wrap, so I don’t think it’s a bad idea. However, this may have the opposite effect depending on your skin type and skin condition at the time, so you need to judge for yourself.

Q. What are the effects of using a steamer as part of your moisturizing care? ?
When you use a steamer, you may feel that the steam moisturizes your skin, but if you don’t take proper care of your skin after using a steamer, it can have the opposite effect. Steamers have the effect of softening the skin and opening the pores, but on the other hand, they also soften the stratum corneum. The swollen stratum corneum is easily susceptible to external stimuli, which is extremely dangerous. After using a steamer, it is important to properly replenish moisture and oil to the skin and protect the stratum corneum.

Skin care is a “dialogue” with your skin. My skin knows the correct answer

Image of a woman checking her skin in the mirror

–Finally, please give some advice to people who want to improve their skin.

There is a wide variety of beauty information out there, and there is a lot of information such as “this item is good” or “this beauty method is good,” but the one thing they all have in common is that the correct answer is “what suits your skin.” It means “Kanai”. No matter how good an item or beauty method is, it’s meaningless if it doesn’t suit your skin.

Skin care is a dialogue with your skin. By getting to know your skin and exploring what you need in a dialogue with your skin, you can achieve beautiful skin that is just like you.

If your concerns cannot be resolved, there is a powerful ally in the form of a cosmetic dermatologist. Please start working on your skin care from the perspective of “What’s good for your skin?” from today!

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