The area around the mouth and chin is a typical area where acne frequently occurs even in adults.

Because hormones, skin barriers, and lifestyle habits work together The more you know the exact cause, the easier it is to manage.

 

Adult acne Hormones, barrier damage, and lifestyle habits This key factor especially The mouth and chin line are structurally areas prone to acne. Mildly acidic cleansing + sufficient moisturizing + non-comedogenic sunscreen are the basics. Sleep and stress management are also important. If the inflammation persists Step-by-step treatment may require

 

1. Why adult acne is concentrated around the mouth and chin

① Areas with many hormone receptors

• The jaw line is more sensitive than other areas. More hormone-responsive receptors It is a structure that is easy for acne seeds to grow.

• Due to changes in menstrual cycle Estrogen↓·Progesterone↑ , inflammatory acne around the mouth may increase.

② The sebaceous glands are large and deep

• The sebaceous glands around the mouth Large in both size and depth So sebum secretion is active.

• Deeply located sebum is difficult to discharge. Potential to lead to inflammation There is this.

③ Areas with thick stratum corneum and long turnover

• The area around the mouth has a thick stratum corneum, so sebum is not secreted well.

• If this condition persists Cotton → Inflammation It becomes easier to proceed.

④ Frequent contact with hands and objects

• Habits such as touching your mouth or resting your chin on your hand can cause acne. Factors that cause sideways spread This could be it.

⑤ Shaving irritation (male)

• When external stimulation occurs to the hair follicle, A problem that looks like folliculitis This can happen.

 

2. The fundamental principles of adult acne

✔ 3 Key Causes of Acne

1. Increased sebum secretion

2. Obstruction of discharge due to thick stratum corneum

3. Inflammatory response to existing acne

When sebum builds up and cannot be excreted, acne develops, and this condition progresses to inflammation.

 

3. Lifestyle and skincare habits that worsen acne

3.1 Incorrect washing routine

• Strong cleansers, hot water, and excessive rinsing Removes all dead skin cells, sebum, and acid film Break down the sea barrier.

• When the barrier is weakened, the skin becomes dry and tries to compensate. Increased sebum secretion do.

Tips for washing your face properly

• Second cleanser slightly acidic standard

• When washing your face with oil Oil painting course required

• Do not rinse excessively (about 15 times) due to oil residue.

• Use lukewarm water

 

3.2 Lack of moisture

• When the barrier weakens, ceramides, cholesterol, and fatty acids become deficient.
  Dryness due to moisture evaporation → increased sebum → worsening of skin trouble.

Check the moisturizing composition

• Skin/Toner: Alcohol-free and fragrance-free

• Serum: Hyaluronic acid, niacinamide, etc.

• Cream: Ceramides, Cholesterol, Fatty Acids

• Inflammatory stage: Panthenol and Centella asiatica extract

 

3.3 Choosing a sunscreen

• When you are sensitive or have trouble Non-comedogenic Products (excluding pore-clogging ingredients) will help.

• It is best to avoid ingredients that have the potential to clog pores (e.g. coconut oil).

 

3.4 Lifestyle Habits

✔ Sleep/Stress

• Melatonin helps skin regenerate during deep sleep.

• Lack of sleep increases the stress hormone (cortisol). Increased sebum It connects with .

• Aim for 6–8 hours of sleep if possible.

✔ Eating habits

• Caution is needed as oily foods, sweet foods, and dairy products can be associated with trouble.

 

4. A skincare routine you can apply right at home

4.1 Example Morning Routine

• Mildly acidic face wash → Vitamin C → Hyaluronic acid ampoule

• Ceramide, cholesterol, and fatty acid cream

• Non-comedogenic sunscreen

4.2 Example evening routine

• Eliminate vitamin C from your morning routine

• Soothing cream (panthenol, centella asiatica extract) if needed

• Retinol: Helps manage whiteheads and blackheads

 

5. If hospital treatment is required

Acne is broadly divided into four stages.

• cotton cloth

• inflammatory

• pustular

• Nodular/cystic

✔ Treatments available at the hospital

• Control sebum secretion (medication, treatment)

• Reduction of sebaceous glands with radiofrequency needles

• Extrusion (do not forcefully squeeze at home)

• Anti-inflammatory injection

• Prescription cosmetics such as retinoic acid

Because the appearance and condition of acne varies from person to person,
If the condition is not controlled by management or the inflammation recurs, it is recommended to get an accurate diagnosis and determine the direction of treatment.