You might think sunscreen is only for summer holidays, but UV radiation is at work every day – even under a cloud-covered sky – and it affects all skin types, no matter your age. In this article we’ll explain why sun protection belongs in your daily routine, how to pick the right SPF for your needs, the best way to apply it and what benefits you can expect at each stage of life. You’ll also find practical tips for making sunscreen a habit, whether it’s winter or summer.
1. UV Rays: A Year-Round Threat
UVA and UVB: What’s the Difference?
- UVA rays penetrate deep into the dermis. They are responsible for photo-ageing (wrinkles, pigmentation spots) and can contribute to the development of certain skin cancers over time.
- UVB rays, more intense, primarily affect the epidermis and quickly cause sunburn and surface damage. They can also alter the DNA of skin cells, increasing the risk of skin cancer (melanoma, carcinomas).
Despite varying intensity depending on the season or latitude, UVA rays remain active throughout the year — even on cloudy days — and can pass through glass. This is precisely why sun protection should not be reserved for sunny summer days alone.
2. Why Is Sun Protection Crucial at Every Age?
Infants and Young Children
- Immature skin: Thinner and less equipped to defend against external aggressors, a young child’s skin is particularly vulnerable to sunburn and UV-related damage.
- Maximum protection: It is generally recommended to avoid any direct sun exposure before the age of 3 and, when going outdoors, to opt for protective clothing (hat, sunglasses) and an appropriate sunscreen (high SPF, gentle formula).
Teenagers and Young Adults
- Preventing premature ageing: UV damage accumulates over the years; building good sun protection habits from adolescence may help limit the appearance of wrinkles and dark spots later in life.
- Reducing blemishes: Sun-induced inflammation can worsen existing acne or encourage the formation of post-inflammatory marks, particularly in teenagers and young adults.
Adults (25–50)
- Preserving youthful skin: Beyond reducing the risk of skin cancer, sunscreen may also help prevent photo-ageing (fine lines, loss of firmness, hyperpigmentation).
- Suitable for all skin tones: Even medium or deep skin tones, which are less prone to sunburn, are not exempt. UVA rays in particular penetrate deeply and cause invisible damage that surfaces over time.
Seniors (50 and over)
- Preventing pre-cancerous lesions: Mature skin is more susceptible to developing actinic keratoses or carcinomas after years of cumulative sun exposure.
- Supporting an anti-ageing routine: A daily UV barrier is an indispensable ally for maintaining firmer, more even-toned skin — especially at an age when cellular renewal naturally slows down.
3. Which SPF Should You Choose?
Sun protection factors (SPF) typically range from 15 to 50+. For everyday use:
- SPF 30 or 50: Recommended if you spend a significant amount of time outdoors or live in a sunny climate.
- Broad spectrum: Make sure your sunscreen protects against both UVA and UVB rays.
- The right formula: Today’s sunscreens come in tinted, non-comedogenic, and water-resistant versions to meet a wide range of specific needs.
4. The Risks of Unprotected Sun Exposure
- Sunburn: Uncomfortable in the short term, sunburn weakens the skin barrier and can leave lasting marks.
- Photo-ageing: UVA rays break down collagen, leading to the early appearance of wrinkles and dark spots.
- Skin cancer risk: Whether melanoma (the most serious form) or carcinomas, every sunburn or prolonged unprotected exposure increases risk on a cumulative basis.
5. How to Apply and Reapply Sunscreen
- Amount: Applying too little significantly reduces the protection level stated by the manufacturer. On average, 1 to 2 teaspoons of product are needed for the face and neck.
- Reapplication: Every two hours, or after swimming or physical activity.
- Don’t forget sensitive areas: The eye contour, lips (with an SPF balm), ears, and neck are often overlooked.
- Choose a texture you enjoy: Gel, fluid cream, mist, mattifying formula… Selecting a sunscreen you genuinely like wearing makes it far easier to apply it consistently.
Frequently asked questions
Yes. UVA rays remain active throughout the year, whatever the season or the weather. They pass through clouds and even glass, so their impact persists on overcast days, in winter as well as in summer. Wearing sunscreen every day helps to protect your skin from these rays, which play a role in photo-ageing.
Yes. Medium and deep skin tones are less prone to sunburn, but they are not exempt. UVA rays penetrate deeply and can cause invisible damage that surfaces over time. Whatever your skin tone, wearing an appropriate sunscreen every day helps to limit these effects. If a mole or a mark on your skin concerns you, see a dermatologist.
Young children’s skin is thinner and more vulnerable to UV rays. It is generally recommended to avoid any direct sun exposure before the age of 3. When going outdoors, opt for protective clothing, a hat and sunglasses. Complete this with a sunscreen suitable for children, with a high SPF and a gentle formula.
It’s advisable to reapply every two hours, as well as after swimming or physical activity. The amount matters too: applying too little significantly reduces the protection level stated by the manufacturer. On average, use 1 to 2 teaspoons of product for the face and neck. Don’t forget the eye area, ears and lips, using an SPF balm.
SPF 30 or 50 is recommended if you spend a significant amount of time outdoors or live in a sunny climate. Above all, make sure your sunscreen is broad spectrum, protecting against both UVA and UVB rays. Then choose a formula suited to your needs: tinted, non-comedogenic or water-resistant. A texture you genuinely enjoy wearing makes it easier to apply consistently.
Conclusion ✨
No matter your skin tone, condition or age, using sunscreen is a basic step in caring for your skin. It may help guard against immediate discomfort (sunburn, inflammation) and, above all, against long-term damage (skin cancers, premature wrinkles, pigmentation spots). UV rays never take a holiday: even through glass or on overcast days, their impact persists.
Making it a daily habit to use an appropriate SPF sunscreen, all year round, is an investment in the appearance and comfort of your skin. Prevention is better than correction: it is generally simpler to protect the skin than to care for skin that is already weakened. Protect your skin with this protective UV barrier, which may accompany your routine through the seasons and help preserve its radiance, firmness and comfort.
Finally, alongside sun protection, a targeted skincare routine is essential for maintaining healthy, glowing skin. Explore our anti-ageing and blemish-correcting products on our website to complete your skincare routine and reveal the full beauty of your skin.
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