Why Does My Skin Get Oily in the North? Climate Effects on Oily Skin

As soon as I returned to the northern region, my T-zone became excessively oily?

I am from the northern part of Taiwan and have had oily skin, acne, and sensitive skin since puberty.
My oiliness was so severe that I had to use several oil-absorbing sheets, and regular tissue couldn't absorb the shine until last September when I started college in Kaohsiung.
I found that the problem was resolved; using the same skincare products (basic moisturizing essence and lotion for sensitive skin), my skin's oil production returned to normal, with only a slight shine.
In Kaohsiung, I was also diagnosed with rosacea (which I realized was not just simple sensitivity), but after taking medication for a while, it almost never recurred, except for when I returned to school after the winter break, which might be due to the significant difference in weather between the north and south affecting my skin stability.
However, the oiliness issue is quite pronounced; when I return home for the weekend, it’s no exaggeration to say that my skin becomes extremely oily that very night, and it only returns to normal once I go back to Kaohsiung.
Why does the oiliness problem seem to be influenced by location? Is it because the northern region is more humid? I would like to know what methods can help resolve and improve the severe oiliness, as I start to shine with oil less than five minutes after washing my face.
The skincare products don't seem to absorb well, and my face appears oily right after application, leading to a dull complexion, which is a stark contrast to the healthy, bright glow I have in Kaohsiung.
It's very frustrating.

Tongxue, 10~19 year old female. Ask Date: 2022/05/22

Dr. Wu Yuxin reply Dermatology

You asked the exact same question on May 13th.

Reply Date: 2022/05/22

More Info

The issue of oily skin, particularly in relation to geographical and climatic differences, is a complex one that can be influenced by various factors including humidity, temperature, and individual skin type. Your experience of having oily skin in the north but noticing a significant improvement in the south (Kaohsiung) can be attributed to several environmental and physiological factors.

Climate and Humidity
1. Humidity Levels: Northern regions often experience higher humidity levels, which can lead to increased oil production in the skin. When the air is humid, the skin can become overly hydrated, prompting the sebaceous glands to produce more oil to maintain balance. This can result in a shiny appearance and can exacerbate conditions like acne, particularly in individuals with oily or sensitive skin.

2. Temperature Variations: Warmer climates, such as that of Kaohsiung, can also influence skin behavior. In warmer temperatures, the skin may produce oil more evenly, and the heat can help to open up pores, allowing for better absorption of skincare products. Conversely, colder climates can lead to dry skin, which may paradoxically cause the skin to produce more oil as a compensatory mechanism.

Skin Type and Sensitivity
Your diagnosis of rosacea (酒糟肌膚) adds another layer to your skin's behavior. Rosacea can cause increased sensitivity and redness, which may be aggravated by environmental factors. The fact that your skin condition improved with the same skincare routine in a different climate suggests that your skin is highly reactive to environmental changes.

Skincare Routine
1. Product Absorption: The effectiveness of your skincare products can also be influenced by climate. In a humid environment, products may not absorb as well, leading to a greasy feeling. In contrast, in a drier climate, products may absorb more effectively, leading to a healthier appearance.

2. Adjusting Your Routine: Given your experiences, it may be beneficial to adjust your skincare routine based on your location. In humid conditions, lighter formulations such as gel-based moisturizers may be more suitable, while in drier conditions, cream-based products that provide more hydration may be necessary.

Recommendations for Managing Oily Skin
1. Cleansing: Use a gentle, foaming cleanser that can help remove excess oil without stripping the skin of its natural moisture. Avoid harsh soaps that can lead to irritation and increased oil production.

2. Exfoliation: Regular exfoliation can help prevent clogged pores and reduce the occurrence of acne. Look for products containing salicylic acid or glycolic acid, which can help to manage oiliness and promote cell turnover.

3. Moisturizing: Even oily skin needs hydration. Opt for non-comedogenic moisturizers that won’t clog pores. Ingredients like hyaluronic acid can provide hydration without adding excess oil.

4. Sun Protection: Always use a broad-spectrum sunscreen, as sun exposure can exacerbate oiliness and sensitivity. Look for oil-free or gel-based sunscreens.

5. Diet and Hydration: Maintain a balanced diet rich in antioxidants and stay hydrated. Sometimes, dietary changes can also influence skin health.

6. Consult a Dermatologist: If your oily skin and rosacea symptoms persist, consider consulting a dermatologist for personalized treatment options, which may include topical or oral medications.

Conclusion
In summary, the geographical and climatic differences you experience between the north and south can significantly impact your skin's oil production and overall health. By understanding these factors and adjusting your skincare routine accordingly, you can better manage your oily skin and maintain a healthy complexion. Remember, consistency in your skincare routine and being mindful of environmental changes are key to achieving the best results for your skin.

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