Every Summer, Your Skin Suffers
Common Skin Problems That Come with Hot Weather

Summer Skin SOS: How to Protect Your Skin During the Hot Season

      Thailand officially enters the peak of summer starting in March, and as we all know, the Thai sun is no joke. The combination of scorching temperatures, intense humidity, poor air circulation, and strong UV rays throughout the day can take a serious toll on your skin. For many people, summer is not just uncomfortable because of the heat and sweat — it is also the season when various skin problems begin to appear unexpectedly.

      The hotter the weather gets, the harder your sebaceous glands work, leading to excess oil production, makeup that won’t stay in place, and clogged pores caused by sweat and impurities. Some people may experience acne flare-ups, heat rash, or skin irritation after only a short time in the sun. At the same time, many notice their skin becoming dull, tired, and uneven despite maintaining their regular skincare routine. This happens because UV rays and accumulated heat can damage the skin more deeply than expected.

      That is why summer is not just about dealing with hot weather — it is also a challenging season for your skin. In this article, Seven Days Clinic will guide you through the most common skin concerns during summer, what causes them, and how to take care of your skin properly before the damage becomes more severe.

 5 Common Skin Problems You’re Likely to Face During Summer

 1. Oily Skin and Enlarged Pores

      One of the most common skin concerns during summer is excess oil production and enlarged pores. When temperatures rise, the sebaceous glands beneath the skin naturally produce more oil, causing the face to become greasy throughout the day. Makeup may not stay in place as well, and pores often appear larger and more noticeable than usual. If the skin is not cleansed properly, the buildup of oil, sweat, and dirt can easily lead to clogged pores and acne breakouts.

Effects of Oily Skin and Enlarged Pores

• Excess oil, especially around the T-zone, causing makeup to melt or become patchy during the day
• Enlarged and more visible pores around the cheeks and nose
• Uneven skin texture and rough-looking skin
• Small clogged bumps or comedonal acne caused by oil build.
  

How to Manage Oily Skin and Enlarged Pores

1. Choose a Cleanser Suitable for Oily Skin
Use a gentle cleanser that helps control excess oil without stripping the skin. Over-cleansing or using harsh products can actually trigger the skin to produce even more oil.

2. Use Lightweight Skincare Products
Switch from heavy creams to lightweight gels or essences that absorb easily and do not clog pores, helping reduce the chance of breakouts.

3. Keep the Skin Properly Hydrated
Even oily skin needs moisture. Choose oil-free or non-comedogenic moisturizers to help maintain the skin’s natural balance.

4. Blot Excess Oil Instead of Washing Your Face Frequently
Washing your face too often can dry out the skin and stimulate more oil production. Oil blotting sheets are a better option during the day.

5. Exfoliate Regularly (1–2 Times per Week)
Gentle exfoliation helps remove dead skin cells, reduce clogged pores, and improve skin texture. However, avoid over-exfoliating, as it may irritate the skin.

2. Heat Rash and Clogged Acne

      Hot weather causes the body to sweat more than usual. When sweat mixes with excess oil, dirt, and leftover makeup residue, pores can become clogged more easily — especially for those who wear makeup regularly and do not cleanse thoroughly. This is why summer is often the season when many people experience more frequent breakouts, including tiny heat rash bumps, clogged pores, and inflammatory acne.

Effects of Heat Rash and Clogged Acne

• Uneven skin texture and makeup that does not sit smoothly on the skin
• Multiple breakouts appearing at the same time, especially on the forehead, cheeks, and chin
• Red or dark acne marks left behind after breakouts
• Skin becoming more sensitive, irritated, and reactive to sunlight
  

How to Manage Heat Rash and Clogged Acne

1. Cleanse Your Skin Properly
Wash your face morning and night, and cleanse the skin as soon as possible after excessive sweating to prevent sweat and impurities from building up.

2. Choose Non-Comedogenic Skincare and Sunscreen
Look for products labeled “Oil-Free” or “Non-Comedogenic” to reduce the risk of clogged pores and acne breakouts.

3. Avoid Touching Your Face Unnecessarily
Hands can carry sweat, oil, and bacteria that may worsen inflammation and trigger more acne.

4. Avoid Picking or Squeezing Pimples Yourself
Improperly squeezing acne can increase inflammation and raise the risk of acne scars and post-inflammatory dark spots.

 3. Sunburn, Tanning, and Dull Skin

     UV rays during the summer are much more intense than usual and can damage the skin both short-term and long-term. In the short term, the skin may become red, irritated, sensitive, or start peeling after sun exposure. Over time, repeated UV damage can lead to pigmentation problems such as melasma, freckles, dark spots, and premature aging caused by collagen breakdown and loss of skin elasticity.

Effects of Sunburn, Tanning, and Dull Skin

• Burning, redness, and heat sensation after sun exposure
• Dry, flaky skin that makes makeup application more difficult
• Uneven skin tone and a visibly dull complexion
• Darker melasma, freckles, and pigmentation spots
• Reduced collagen and skin elasticity, making the skin appear older prematurely
  

How to Manage Sunburn, Tanning, and Dull Skin

1. Apply Sunscreen Consistently
Choose a sunscreen with an appropriate SPF and broad-spectrum protection against both UVA and UVB rays. Reapply every 2–3 hours when spending time outdoors, and remember to protect both the face and body.

2. Avoid Direct Sun Exposure Between 10 AM and 4 PM
This is when UV radiation is strongest. Wearing hats, sunglasses, or using an umbrella can provide additional protection.

3. Soothe and Repair the Skin After Sun Exposure
Use skincare products that help calm irritation and restore hydration to reduce inflammation and support skin recovery.

4. Keep the Skin Well Hydrated
Drink plenty of water and use a moisturizer regularly to help repair and strengthen the skin barrier.

 4. Dehydrated Skin — Even for Oily Skin Types

      Many people assume that oily skin means well-hydrated skin, but that is not always true. During summer, the skin can easily become dehydrated due to intense sun exposure and spending long hours in air-conditioned environments. As a result, the skin produces even more oil to compensate for the lack of moisture, leaving the skin oily on the surface but dry underneath. This imbalance can make the skin look tired, dull, and uneven, while also causing makeup to apply poorly.

Effects of Dehydrated Skin

• Tightness after cleansing, followed by excess oil during the day
• Dull, tired-looking skin with makeup that does not sit smoothly
• Makeup creasing, cracking, or becoming patchy
• Enlarged-looking pores caused by an imbalanced skin condition
• Increased sensitivity, irritation, and a higher chance of breakouts

 5. Heat Rash and Skin Irritation

      Sweat, humidity, and friction from clothing or face masks can easily trigger heat rash, itching, and skin irritation during the summer — especially for people with sensitive skin. If not properly cared for, the skin may become weakened, more reactive, and slower to recover.

Effects of Heat Rash and Skin Irritation

• Itching, stinging, or tingling sensations on the skin
• Small bumps appearing across the forehead, cheeks, or neck
• Red patches or uneven areas of irritation
• Increased sensitivity to skincare products that were previously well-tolerated
• A weakened skin barrier, making the skin more prone to recurring irritation

How to Manage Heat Rash and Skin Irritation

1. Reduce Excess Moisture and Sweat on the Skin
Gently pat away sweat instead of rubbing the skin harshly, and avoid leaving the skin damp for long periods of time.

2. Choose Gentle Skincare Products
Avoid products containing alcohol, fragrance, or other potentially irritating ingredients, especially when the skin is already sensitive.

3. Take a Break from Harsh Active Ingredients
Temporarily avoid strong exfoliating acids or intensive treatments to allow the skin barrier time to recover naturally.

4. Wear Breathable Clothing
Choose lightweight, breathable fabrics that are not too tight in order to reduce friction and sweat buildup on the skin.


      What about you? Which skin concerns are you experiencing this summer?
Is your skin oilier than usual, breaking out more often, feeling irritated and sunburned, or simply looking dull and tired despite your usual skincare routine?

       While summer is unavoidable, skin problems do not have to get worse. Once you understand the causes behind these concerns and learn how to care for your skin properly, you can help restore your skin’s balance, keep it healthy, and prevent long-term damage before it becomes more difficult to treat.