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Sun protection and preventing skin ageing

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Sun protection and preventing skin ageing

Sunlight is important for our bodies – it supports vitamin D production, lifts our mood and gives us energy. Yet UV radiation is one of the main causes of premature skin ageing, dark spots and even inflammation that can lead to more serious skin problems.

If you care for your skin and are interested in preventing skin ageing, sun protection should be an essential step in your daily routine – all year round, not just in summer.

UV radiation: the invisible enemy of beautiful skin

UV radiation penetrates your skin every day – even when it is cloudy, when you are sitting in a car or beside an office window, or when you are in the mountains. The two main types, UVA and UVB, have different effects:

  • UVA penetrates deep into the skin, causing ageing, collagen damage, loss of elasticity and wrinkles.
  • UVB affects the surface of the skin, causing sunburn, damaging cellular DNA and encouraging dark spots to form.

Unprotected skin is exposed to oxidative stress and inflammation, which can eventually cause the skin barrier to break down, leading to dryness, reduced elasticity and loss of a youthful appearance.

Why is UV radiation harmful to the skin?

Skin exposed to the sun without protection is more prone to:

  • Dark spots
  • Premature wrinkles
  • Inflammation in the deeper layers of the skin
  • Loss of elasticity and collagen
  • A reduced ability to retain moisture

UV radiation stimulates oxidative stress in the skin, triggering micro-inflammation. Although invisible to the naked eye, over time this weakens the skin barrier and reduces the skin's radiance and elasticity.

Mineral and chemical UV filters: what is the difference?

When choosing an SPF product, you will often come across two types of filters – mineral UV filters (physical filters) and chemical filters. Both protect the skin from UV radiation, but they work in different ways.

Mineral UV filters:
  • Contain zinc oxide or titanium dioxide
  • Act as a protective shield, reflecting UV rays away from the skin's surface
  • Work immediately after application
  • Are suitable for sensitive skin, children, pregnant women and those who prefer natural cosmetics

Chemical UV filters:
  • Work by absorbing UV radiation and converting it into heat
  • Have a lightweight, often invisible texture
  • Start working 15–30 minutes after application

Each type has its benefits – the key is to use SPF regularly. At Dulcia, we base our products on mineral UV filters, which are natural, gentle and effective.

Natural protection from Dulcia – effective and safe

At Dulcia, we have developed a mineral UV filter for our SPF 50 protective face cream, which meets all the needs of skin today:


Why is it important to reapply SPF during the day?

Many people make the mistake of applying sunscreen in the morning and thinking that is enough. Even the best SPF product gradually washes or rubs off during the day, becoming less effective:

  • SPF protection weakens after 2–3 hours
  • The sun's rays pass through windows and glass, even on cloudy days
  • Sweat, water, touching your face or make-up reduce the effectiveness of the protection
  • Reapplying SPF during the day is key to maintaining protection and preventing skin ageing and dark spots in the long term


Tip: Keep a floral toner or mist with you, refresh your skin, blot with a tissue and reapply your SPF cream – you can even apply it over make-up. If needed, apply a little powder afterwards. It really only takes a minute, leaving your skin protected and beautifully cared for.

Sun protection = caring for your skin's future

Long-term exposure to UV radiation reduces hydration, disrupts the skin barrier and triggers chronic inflammation, which underlies many skin problems – including acne, eczema and hypersensitivity. Inflammation causes:

  • Loss of collagen and elastin
  • Premature wrinkles and loss of elasticity
  • Dark spots and uneven skin tone

Regular use of a mineral UV filter can help you prevent all of this. It is not just a cosmetic concern, but a matter of your skin's long-term health.

Conclusion: SPF is the best investment in your skin

  1. Apply SPF every morning – even in winter and indoors.
  2. Choose a cream you will enjoy using every day.
  3. Reapply protection every 2–3 hours during the day.
  4. Make SPF the final step in your daytime routine (under make-up).
  5. Rely on quality from Dulcia – where beauty meets nature.

Whichever SPF filter you choose, what matters is using it daily and reapplying it throughout the day. At Dulcia, we offer a natural solution that respects both your skin and nature.

Discover the power of natural cosmetics and rely on effective yet gentle sun protection that helps prevent skin ageing, dark spots and loss of elasticity.