The effects of the sun on the skin: understanding, preventing and enhancing beauty at any age

Exposure to the sun has both beneficial and harmful effects on the skin. On the one hand, it provides a tanned complexion, stimulates the production of melatonin, which promotes sleep, and gives a sense of well-being. However, UVA and UVB rays can cause lasting damage: premature aging, brown spots and the risk of skin cancer. The importance of preparing your skin for the sun is paramount when summer arrives!

Why does our skin like the sun (a little) ?

Our skin reacts positively to moderate exposure to the sun, mainly thanks to the production of vitamin D, an essential element for our health. This vitamin plays a key role in strengthening our bones and ensuring the proper functioning of our immune system. What’s more, the sun contributes to our psychological well-being by stimulating the production of serotonin, a hormone that promotes a good mood. However, it’s important to strike a balance to avoid the dangers of UV rays, such as premature aging of the skin and the risk of skin cancers.

Vitamin D: how many minutes of exposure are enough ?

In general, 10 to 15 minutes of daily exposure of the hands, forearms and face is enough to produce an adequate amount of vitamin D. This exposure should be regular, ideally two or three times a week, and take place between April and October, when the sun’s rays are most beneficial. Following these recommendations will maximize the benefits while minimizing the risk of skin damage. Don’t forget that sun protection is essential for prolonged exposure.

UVA and UVB rays: what damage can they do to hormonal skin ?

UVA and UVB rays can have particularly harmful effects on hormone-influenced skin, such as that of pregnant women or those going through periods of hormonal fluctuation. UVA rays penetrate deep into the skin, causing accelerated ageing and altering skin pigmentation. UVB, on the other hand, is responsible for sunburn and stimulates melanin production, increasing the risk of pigmentation spots.

Accelerated skin aging: wrinkles, loss of elasticity

UVA rays play a major role in premature skin aging. They damage the dermis, reducing collagen production and deteriorating elastic fibers. The effects of the sun on the skin manifest themselves in the appearance of wrinkles and loss of elasticity. This damage is often more visible in people with sensitive skin or those subject to hormonal fluctuations.

Hyperpigmentation & brown spots in women aged 30-50

In women aged between 30 and 50, exposure to UV rays can aggravate the effects of hormonal fluctuations, increasing the risk ofhyperpigmentation and brown spots. These marks, often visible as pregnancy masks or melasma, translate into brown or greyish spots on the face. Effective sun protection is essential to prevent these pigmentation problems.

What are the aggravating factors: phototype, hormonal treatments, photosensitizing medications, etc. ?

Certain factors can intensify the risk of sun damage, including skin phototype, hormone treatments and photosensitizing medications.

Skin phototype, which classifies skins according to their ability to tan or burn, plays an important role in sensitivity to UV rays. People with fair skin (type I and II) are particularly vulnerable to sunburn and premature aging, due to their low levels of melanin, the natural pigment that protects the skin.

Hormonal treatments, such as those used during pregnancy or menopause, can also make the skin more sensitive to the sun’s rays. These hormonal fluctuations can lead to more pronounced hyperpigmentation and other skin problems. What’s more, some cosmetics and chemical peels also increase the skin’s sensitivity to UV rays, making sun protection an essential part of the daily routine.

Finally, photosensitizing drugs are another major aggravating factor. These drugs can cause abnormal skin reactions when exposed to UV light, ranging from severe sunburn to severe eczema. It is therefore essential to consult a doctor before taking any medication likely to increase sun sensitivity.

7 dermato-validated gestures to protect your skin

For effective protection against the sun’s rays, here are seven essential steps to incorporate into your daily routine:

• 1. Apply sunscreen every day: Use a simple method such as the “two-finger rule” or “three-finger rule” to apply a sufficient amount of sunscreen to exposed areas.
• 2. Choose the right sunscreen: Make sure the product protects against UVA and UVB rays, and opt for an SPF of at least 30.
• 3. Reapply: Apply a new layer of sunscreen every two hours, or after bathing or excessive perspiration.
• 4. Wear protective clothing: Opt for UV-blocking clothing, such as long sleeves and a hat.
• 5. Seek shade: Avoid the sun between 11 a.m. and 3 p.m., when exposure is most intense.
• 6. Use protective sunglasses: They protect your eyes from UVB rays, but choose models that also block UVA.
• 7. Avoid photosensitizing products: Beware of cosmetics and medications that increase sensitivity to sunlight.

Choosing the right SPF for your phototype and sun capital

When choosing a sunscreen, it’s important to take into account your skin phototype and sun exposure habits. For light skins (type I and II), SPF 50 is often recommended, while for darker skins, SPF 30 may be sufficient if exposure is limited. Don’t forget to check that the product also protects against UVA rays.

After-sun: repair, soothe, boost collagen

After sun exposure, it’s vital to take care of your skin to repair the damage caused by UV rays and soothe any burning or dryness. After-sun skin care products are specially designed to rehydrate, nourish and repair the skin barrier, helping to preserve healthy, radiant skin.

Our product, [MY] VELOUTÉ CORPS DOUCEUR, is an ideal solution to these needs. Formulated for sensitive skin, this nourishing, rebalancing treatment has a light, airy texture similar to a chantilly, and a subtle fragrance with notes of white tea. These features guarantee pleasant, easy application.

This product is a true cocoon of comfort for fragile skin. It soothes while strengthening the skin. With its no-rinse dry finish and compatibility for pregnant or breastfeeding women, it’s the perfect choice for effective, gentle after-sun care.

What you need to know about the sun’s effects on the skin

The sun is both an ally and an enemy for your skin. Moderate exposure can boost vitamin D and improve your mood, but insufficient protection against UVA and UVB rays can lead to harmful effects such as premature aging, the appearance of spots and even skin cancer. Suncare products, with their proven efficacy, are essential in preventing these risks, provided you choose an SPF suited to your phototype and reapply them regularly.

To reinforce this protection, wear covering clothing and hats, and seekshade, especially during the hours when the sun is most intense. After each exposure, take care of your skin by moisturizing and repairing it with an appropriate skin care product. By adopting these simple but essential reflexes, you are effectively protecting your skin, which will thank you for it at any age.

Taking action means investing in your health and beauty, now and for the future.

FAQ

Does the sun really provide vitamin D all year round ?

No, vitamin D synthesis depends on sunshine and latitude. In the northern hemisphere, between April and September, 15 to 30 minutes of mid-day exposure is generally enough to cover requirements, provided that at least 20% of the body surface is exposed to sunlight without protection.

In winter, on the other hand, UVB intensity is too low for effective production, especially in France. In this case, dietary supplementation is recommended.

How to avoid acne rebound after the vacations ?

Some skins, especially those with acne-prone skin, can experience a “post-tan flare-up”. To limit this phenomenon, opt for a gentle routine after sun exposure, use non-comedogenic, skin-balancing products, and gradually reintroduce your usual skincare routine. Moisturizing and the use of soothing alcohol-free skin care products are also recommended to prevent the overproduction of sebum and the return of imperfections.

Should I wear sunscreen in the city or in winter ?

Yes, it’s advisable to apply sunscreen even in the city or in winter, especially on exposed areas. UVA rays, the main cause of skin ageing, penetrate glass and persist all year round.

What’s more, snow can reflect up to 80% of UV rays, increasing exposure, particularly during winter sports. Appropriate sun protection protects the skin from the harmful effects of UV rays in all circumstances.

Do clouds filter out dangerous UV rays ?

No, clouds don’t completely filter out UV rays. Up to 80% of UV rays can penetrate light cloud cover, which means that the risk of sunburn or skin damage persists even on overcast days. Even in the absence of direct sunlight, it’s still important to protect yourself, especially on long outdoor days.

After-sun care for premenopausal skin ?

Premenopausal skin, which is often drier and more reactive, requires care products rich in moisturizing, soothing and repairing active ingredients. Choose creamy, fragrance-free textures enriched with ceramides, hyaluronic acid or antioxidant active ingredients to restore the skin barrier and limit premature aging.

Specific after-sun treatments, such as a nourishing body or face cream, help repair any damage and maintain skin elasticity.

Sources:

To write this article, we have drawn on reliable data and official recommendations concerning sun protection and the effects of the sun on the skin. Here are the main sources used:

1. Agence nationale de sécurité sanitaire de l’alimentation, de l’environnement et du travail (ANSES): Produits de protection solaire : mieux informer les consommateurs pour une meilleure protection. This report highlights the importance of protection against UVA and UVB rays, as well as advice on the best use of suncare products.

2. Direction générale de la concurrence, de la consommation et de la répression des fraudes (DGCCRF): Protection solaire : les conseils pour bien choisir son produit. This document provides essential information on sun protection indices, UVA/UVB filters and how to read labels to make an informed choice.

3. Ministry of Health: Sun risks – What you need to know to keep the sun a pleasure. This practical guide offers advice on how to protect yourself effectively, including the importance of clothing, sunglasses, hats and regular application of sun cream.

4. Info.gouv.fr: How to protect yourself from the sun. This site provides government information on sun safety and up-to-date recommendations.

These sources guarantee the reliability of the information presented, so that you can better understand the effects of the sun on the skin and the solutions for limiting its negative impacts, while enjoying its benefits in complete safety.