When temperatures rise, your skin can often be one of the first places to show signs of stress.
A heatwave can affect your complexion in several ways - from increased oil production and congestion to dehydration, sensitivity and a weakened skin barrier. While warmer weather can bring a natural summer glow, periods of intense heat require a more considered approach to skincare.
The best skincare routine during a heatwave focuses on maintaining balance: gently cleansing away sweat and impurities, supporting hydration, protecting against environmental stressors and choosing lightweight formulas that help skin feel comfortable and resilient.
At 001 London, we combine modern skincare science with traditional wisdom to support the skin’s natural ability to restore, protect and maintain balance - especially when external factors such as heat and humidity challenge its equilibrium.
Why Should You Change Your Skincare Routine During a Heatwave?
Your skin has its own natural processes for regulating temperature, oil production and moisture levels. However, during periods of extreme heat, these systems can become disrupted.
Hot weather can lead to:
- Increased sweat and oil production
- Dehydrated skin caused by increased moisture loss
- Greater exposure to environmental stressors
- Increased sensitivity and visible redness
- Congestion from sweat, sunscreen and impurities
This is why a summer skincare routine may need to look different from your usual routine. Rather than using heavier products or adding more intensive treatments, the focus should be on supporting the skin barrier and maintaining hydration.
How Does Hot Weather Affect Your Skin
Why Does Hot Weather Make Your Skin Oily?
Heat and humidity can stimulate sweat and sebum production, which may leave skin feeling oilier than usual.
When sweat, excess oil, sunscreen and environmental pollutants sit on the skin’s surface, they can contribute to congestion, uneven texture and the appearance of enlarged pores.
However, oily skin does not always mean hydrated skin. During a heatwave, skin can produce more oil while simultaneously losing water, resulting in a complexion that feels both oily and dehydrated.
Why Does Your Skin Become Dehydrated During a Heatwave?
Dehydration is one of the most common summer skin concerns.
Higher temperatures can increase water loss from the skin’s surface, making it harder for the complexion to retain essential moisture. When the skin barrier is compromised, signs may include:
- Tightness or discomfort
- Dullness
- Increased sensitivity
- Fine lines appearing more visible
The solution is not to strip the skin further, but to replenish hydration and support a healthy skin barrier.
Can Hot Weather Make Your Skin More Sensitive?
Yes. Heat can contribute to increased inflammation and sensitivity, particularly for those who already experience reactive skin.
Changes in temperature, humidity, sweat and environmental exposure can all place additional stress on the skin. During a heatwave, a calming and supportive skincare routine can help maintain a more balanced-looking complexion.
The Best Skincare Routine During a Heatwave
Step 1: Cleanse gently to remove sweat and impurities
A good hot weather skincare routine begins with a gentle cleanse.
Throughout the day, sweat, sunscreen, pollution and excess oil can build up on the skin. However, harsh cleansing can disrupt the skin barrier by removing essential oils, leaving skin feeling dry, tight or irritated.
Choose a cleanser that removes daily build-up while helping maintain skin comfort.
001 London recommendation: Alpha Paradise Cleansing Dew
This nourishing cleansing formula helps dissolve impurities while supporting a soft, balanced and refreshed-looking complexion.
Step 2: Prioritise lightweight hydration
One of the biggest skincare mistakes during a heatwave is assuming that skin does not need moisture.
In reality, hot weather can increase dehydration, meaning skin often benefits from lightweight hydration that helps attract and retain moisture without feeling heavy.
Look for ingredients that support hydration, including:
- Hyaluronic acid
- Marine actives
- Skin-supporting botanicals
001 London recommendation: Active Marine Collagen Serum
Powered by advanced skin-supporting ingredients, this lightweight serum helps replenish hydration and support a smoother, more resilient-looking complexion.
Step 3: Protect skin against environmental stress
During summer, skin is exposed to increased environmental stress from UV exposure, pollution and free radicals.
Antioxidant-rich skincare can help support the appearance of brighter, healthier-looking skin while complementing your daily sun protection routine.
001 London recommendation: Alpha Glow Flash Facial Serum
Designed to enhance radiance and support skin renewal, this advanced formula helps reveal a smoother, more luminous-looking complexion.
Step 4: Use cooling rituals to refresh overheated skin
When skin feels affected by heat, cooling skincare rituals can provide a refreshing moment of calm while supporting a balanced-looking complexion.
Traditional Chinese Medicine has long recognised the importance of balance between internal and external influences, including the relationship between heat, circulation and overall wellbeing.
001 London recommendation: CRYOpress®
Inspired by traditional facial massage techniques and modern skin science, CRYOpress® uses cooling therapy to help refresh, revitalise and awaken the appearance of the skin.
Summer Skincare Mistakes to Avoid
Over-exfoliating
When skin feels congested during hot weather, it can be tempting to increase exfoliation. However, too much exfoliation can weaken the skin barrier and increase sensitivity.
During a heatwave, focus on supporting balance rather than over-treating the skin.
Skipping moisturiser
Even oily skin needs hydration. Removing moisturising products can leave skin feeling unbalanced and may encourage increased oil production.
Choose lightweight, nourishing formulas that support hydration without feeling heavy.
Using too many active ingredients
During periods of heat stress, the skin may become more vulnerable. Introducing too many intensive treatments at once can increase sensitivity.
Instead, focus on barrier support, hydration and antioxidant protection.
Forgetting your evening skincare routine
Your skin’s overnight renewal processes are an important part of maintaining a healthy-looking complexion.
A calming evening routine can help restore comfort after exposure to heat, pollution and daily environmental stress.
A TCM-Inspired Approach to Summer Skin Balance
Traditional Chinese Medicine views the skin as a reflection of internal balance. Rather than focusing only on surface concerns, TCM considers how factors such as circulation, stress, lifestyle and overall wellbeing can influence the complexion.
During warmer months, supporting balance through hydration, cooling rituals and mindful skincare practices can help skin feel more comfortable and resilient.
Frequently Asked Questions
What is the best skincare routine during a heatwave?
The best skincare routine during a heatwave focuses on gentle cleansing, lightweight hydration, antioxidant protection and supporting the skin barrier. Avoid over-exfoliating and choose products that help maintain balance during hot weather.
Should I moisturise during a heatwave?
Yes. Skin still requires hydration during hot weather, even if it feels oily. Lightweight moisturisers and hydrating serums can help support the skin barrier without feeling heavy.
Why is my skin oily but dehydrated in summer?
Heat can increase oil production while also increasing moisture loss from the skin. This can leave skin feeling oily on the surface while lacking hydration underneath.
What skincare ingredients are best for hot weather?
Hydrating ingredients such as hyaluronic acid, marine actives, antioxidants and barrier-supporting ingredients can help maintain healthy-looking skin during warmer months.
Can hot weather cause breakouts?
Yes. Increased sweat, oil production, sunscreen and environmental build-up can contribute to congestion. Gentle cleansing and maintaining hydration can help support clearer-looking skin.
Should I exfoliate during a heatwave?
Exfoliation can be beneficial, but it is important not to overdo it during periods of heat. If your skin feels sensitive or irritated, prioritise barrier support and hydration.





