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Acne

Summer Acne: Why Skin Gets Worse in the Heat, and What Actually Helps

Summer acne is not incidental, and contrary to the myth, the sun does not dry out breakouts. Here is what happens to acne-prone skin in the heat of Ashdod, and what genuinely supports it.

Karina NaftalyPublished 2026-06-018 min read
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Summer Acne: Why Skin Gets Worse in the Heat, and What Actually Helps

Summer acne: why now of all times

Every June is the same. Clients whose skin was calm all winter sit down across from me at the clinic in Ashdod and tell me that within two weeks breakouts appeared that had not been there, that the forehead and the chin already look shiny in the morning hours, and that makeup does not hold until noon. This is not a feeling. It is a biological response of acne-prone skin to a rise in heat and humidity, and in Ashdod, with its humid Mediterranean summer, it is especially pronounced.

Summer acne is created by a combination of several factors acting together, not by a single one. Once you understand the mechanism, it is easier to choose what to do, and above all what to stop doing. Because a large share of the summer flare comes precisely from what women do to their skin in an attempt to cope with the heat.

What heat and humidity do to breakout-prone skin

Sebum production, the skin's natural oil, is directly affected by temperature. The warmer the skin, the more active the oil glands. Studies point to a marked rise in sebum production with every few degrees. That is why oily skin in summer looks shinier, and why the pores look more prominent.

Humidity plays a separate role. Humid air and moisture on the surface of the skin, together with sweat, a layer of sunscreen, makeup and dust, create an environment in which dead skin cells and sebum tend to lodge in the opening of the pore. This is how comedones form, those closed bumps and blackheads that appear in summer mainly in the T zone, meaning the forehead, the nose and the chin.

On top of that, in summer we touch our faces more, wipe away sweat, lean on hot surfaces. This mechanical friction, what is called acne mechanica, worsens the appearance of breakouts in anyone already prone to them.

The sun myth: no, the sun does not dry out acne

This is perhaps the most important point in the whole article. Many of my clients grew up on the claim that sun exposure “dries out breakouts.” In the short term it really does seem that way: a tan slightly evens out skin tone and masks redness, and the skin temporarily looks clearer. But this is an optical illusion, not a real improvement.

What actually happens is more complex. Exposure to UV thickens the outer layer of the skin, a process called hyperkeratosis. That thickened layer blocks the pores all the more, and after one to two weeks a new wave of breakouts arrives, sometimes worse than the starting point. In parallel, the sun dries the surface but encourages the oil glands to produce more sebum in compensation, and so the cycle reinforces itself.

The hardest problem in the relationship between acne and sun is pigmentation. Every breakout leaves a mark behind it, a red-brown spot called post-inflammatory hyperpigmentation. When that skin is exposed to the sun without protection, the marks deepen, darken, and take far longer to fade. In other words, the sun is not treating the breakouts, it is perpetuating the marks they leave behind. That is why work on the appearance of spots always begins with protection.

In acne-prone skin, the sun is not a friend. It masks the problem today and deepens its mark tomorrow.

In-clinic options: what I offer in summer

I want to be clear at the outset: a cosmetic treatment supports the appearance and the feel of the skin, it is not a cure for a medical condition. Anyone with deep, inflamed cystic acne I refer first of all to a dermatologist. What I do at the clinic is improve the appearance of the skin, support its balance, and reduce the visibility of breakouts and marks, with tools suited to the season.

A gentle deep cleanse. In summer, when the pores are more loaded, a professional cleanse that empties comedones gently, without aggressive squeezing, significantly improves the appearance and the feel of the skin. I avoid steam that is too hot and raises the temperature of the skin further.

Season-adjusted acids. Salicylic acid, which is oil-soluble and travels into the pore, helps reduce the visibility of breakouts and of shine. In summer I choose more moderate concentrations and insist on heightened protection after the treatment, since the skin is more sensitive to sun in this period. The deeper peels I prefer to keep for the cooler months, as I explain in my guide to the types of chemical peels.

Blue LED. Light in the 415 nanometer range supports the balance of the skin without heating the tissue, which makes it particularly comfortable in summer. It is a gentle treatment that fits well alongside work on the skin barrier.

Work on the appearance of the marks. The spots the breakouts left behind I prefer to work on once the summer has calmed, because any work on pigmentation demands strict sun protection. I expanded on this in the article on pigmentation in women in Ashdod.

Home care in summer: less is more

Most of the summer flare I see comes from a home routine that is too aggressive. When breakouts appear, the instinct is to wash harder, to scrub, and to add one more drying product. This is a mistake. When acne-prone skin is dried out by force, the skin barrier breaks, and the body responds with increased sebum production. The result is the opposite of the intention.

The routine I recommend in summer is short and consistent:

A gentle cleanse, twice a day. A soft cleansing gel, no scrub granules, no feeling of “tightness” after washing. That tight feeling is a sign that the barrier has been compromised.

One active ingredient, not five. Niacinamide in the morning supports sebum balance and a more even appearance. Salicylic acid or a retinoid in the evening, but not on the same night and not every night. Too high an active load in summer is a recipe for irritation.

Light hydration, for oily skin too. Oily skin in summer still needs moisture. A water-based formula, not greasy and not occlusive (look for the “non-comedogenic” marking). Skipping moisturizer only accelerates sebum production.

Sunscreen for acne-prone skin

This is the most common question I get in summer: which sunscreen suits skin with a tendency to break out. Here is what I look for:

  • A light texture, water-based or gel, marked “non-comedogenic” and “oil-free.”
  • A preference for mineral filters (zinc oxide) for skin that is sensitive or reactive to actives, or for light chemical filters that do not leave a heavy layer.
  • SPF 30 to 50, with reapplication every two hours in direct exposure, and especially after the sea or the pool.
  • No heavy fragrance, which can irritate active skin.

Sunscreen is not an optional step in acne-prone skin, it is the heart of protecting the appearance of the skin in summer. Without it, all the work on the breakouts and on the marks they leave retreats with every sunny day.

When it is worth going to an aesthetician in Ashdod

Summer in Ashdod is long and humid, and it affects the skin over months. If you recognize yourself in one of these situations, it is worth sitting down for a proper assessment instead of trying one more product:

  • Your skin was calm in winter and gets consistently worse every summer
  • You keep switching products and the breakouts return or multiply
  • You are left with dark marks after every breakout, and they are not fading
  • Your skin is shiny by morning and makeup does not hold
  • You are not sure which sunscreen suits your skin

In the assessment I look at the condition of the skin, at the current home routine, at sun exposure, and I build a seasonal plan. For wider background on how the city's climate affects the skin, I wrote separately about the climate of Ashdod and your skin, and for anyone whose breakouts appear after the age of 30, I have a separate article on the link to hormones, stress and nutrition.

If you would like to start from a clear point, you can book a treatment for acne-prone skin in Ashdod with me and build a summer routine that suits your skin specifically.

Not a fit if

  • You are pregnant or breastfeeding
  • You are taking Accutane (isotretinoin), or stopped taking it within the last six months
  • You have an active herpes outbreak on the face
  • You have a history of keloid or hypertrophic scarring
  • You take anticoagulants or antiplatelet medication, or you have a clotting disorder
  • You have an active autoimmune condition or are on immunosuppressive therapy
  • You have come back from a fresh tan within the last four weeks
  • You take photosensitizing medication without your doctor's clearance
  • You have a known sensitivity to salicylates

Frequently asked questions

Does the sun really dry out and improve acne?

No. In the short term a tan masks redness and the skin looks more even, but sun exposure thickens the outer layer of the skin, blocks pores, and worsens the appearance of breakouts within one to two weeks. It also darkens the marks the breakouts leave behind.

Why is my skin oilier specifically in summer?

Sebum production rises with temperature. The warmer the skin, the more active the oil glands, which is why oily skin in summer looks shinier and the pores look more prominent, particularly in the humid climate of Ashdod.

Which sunscreen suits acne-prone skin?

A light water-based or gel texture, marked “non-comedogenic” and “oil-free,” at SPF 30 to 50, without heavy fragrance. For sensitive or irritated skin it is better to prefer a mineral filter based on zinc oxide, and to reapply every two hours in direct exposure.

Is a peel allowed in summer?

Light, season-adjusted peels are possible alongside strict sun protection. Deeper peels are better kept for the cooler months, since the skin is more sensitive to radiation after a treatment.

I keep trying products and my skin only gets worse, what should I do?

Usually the source is too high an active load, which breaks the skin barrier. It is worth returning to a short, gentle routine and booking an assessment that will match the ingredients to your skin and to the season, instead of adding more products.

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