How Should You Care for Your Skin in Weather with a Big Temperature Difference Between Day and Night?

Human Dermatology Clinic, Seoul National University Branch

These days, when the mornings and evenings are chilly

and the daytime weather is warm,

your body is not the only thing that feels confused—

your skin does too.

Because the temperature changes a lot within a single day,

your skin does not get enough time

to adapt.

As a result, it often becomes drier

and more sensitive than usual.

In particular, there are times when you may feel,

“Why did my skin suddenly get so rough?”

This kind of change is not just a feeling;

it may actually be a sign that

the skin barrier has weakened.

So during periods with a big temperature difference between day and night,

more careful care is needed.

How a Big Temperature Difference Affects the Skin

When the temperature difference is large, moisture in the skin

can evaporate more easily.

During the day, warm air increases

sebum production,

and at night, as the temperature drops,

the skin becomes rapidly dry.

When this process repeats,

the skin’s balance can easily be disrupted.

Also, this kind of environment

weakens the skin barrier.

When the skin barrier breaks down,

the skin reacts more easily to external irritants,

and symptoms such as redness, breakouts, or itching

may appear.

In the end, even small changes

can affect the skin’s overall condition.

Moisturizing Is the Most Important Thing

The most important part of skin care

during this period is definitely moisturizing.

Beyond simply making the skin feel hydrated,

the key is to help maintain

moisture within the skin.

After washing your face, it is good to use

toner and essence as quickly as possible

to replenish moisture.

And at the cream step,

it is important to form a barrier

so the moisture does not evaporate.

Rather than using only lightweight products,

using a more moisturizing cream

depending on the situation

can help stabilize the skin.

In particular, before going to bed, applying a little more than usual

is also a good method.

Cleansing and Exfoliation Also Need Adjustment

During times when the skin becomes more sensitive,

it is good to slightly adjust

your cleansing routine as well.

Using a cleanser that is too strong

or washing your face too often can actually make the skin

drier.

Gentle cleansing,

and managing only as much as needed,

is important.

The same goes for exfoliation.

Just because the skin feels rough

does not mean you should exfoliate often;

otherwise, the skin barrier

may become even weaker.

About once a week,

while checking your skin condition,

gentle care is a good way

to maintain it without burden.

Lifestyle Habits Also Affect the Skin

Surprisingly, skin condition is greatly influenced

by lifestyle habits.

If you do not drink enough water,

your skin can also become dry more easily,

and if you do not get enough sleep,

your ability to recover declines.

So it is important to drink enough water

and maintain regular sleep.

Also, when going বাইরে, do not forget

to protect yourself from UV rays.

Just because the weather is cooler

does not mean the UV rays become weaker,

so using sunscreen consistently

helps prevent skin aging.

Small habits add up

and end up determining the skin’s condition.

In weather with a large temperature difference between day and night,

your skin is in a period when it can easily become unstable.

At times like this, rather than special care,

basic moisturizing and reducing irritation

are more important.

While paying close attention to the signals your skin sends,

caring for it accordingly

is the best approach.

With just a little attention,

your skin condition can change enough.

As the season changes,

you should take time to check your skin once more.

Consistent care ultimately

makes the biggest difference,

so I hope you do not forget that.

Human Dermatology Clinic, Seoul National University Branch

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