Sunscreen FAQs: Your Questions Answered | ISDIN

Studying: 6 minutes

Your mother makes use of one sort. Your coworker, one other. Your sister swears by a model you’ve by no means heard of. And your bestie forgot to place theirs on this morning (gasp!). 

With so many differing solar safety habits and opinions, how have you learnt which is the very best sunscreen on your pores and skin? Between totally different life, plus varied pores and skin varieties, tones, and considerations, there’s quite a bit to think about when selecting a sunscreen. 

So, what do you want to know? We’ve acquired the solutions to the most typical sunscreen queries right here:

Do I really want to put on sunscreen on daily basis?

Sure! Solar harm doesn’t solely happen throughout summer season. Photo voltaic radiation can penetrate clouds and replicate off surfaces akin to snow. So solar safety actually isn’t simply restricted to summertime! 

The solar’s UVA rays additionally move via home windows, and despite the fact that the harm brought on by UVA rays isn’t at all times instantly obvious, radiation can nonetheless attain your pores and skin when you’re at house, driving, or working on the workplace.

It’s vital to do not forget that solar harm is rather more than simply sunburn now and again – solar harm is accumulative, and sunscreen helps defend your pores and skin from sunburns, untimely pores and skin getting older, and pores and skin most cancers. 

If I don’t burn, why is sunscreen so vital?

Sadly, there isn’t a such factor as ‘protected’ tanning or unprotected solar publicity. Unprotected solar publicity can harm pores and skin cells, pace up the pure getting older course of, and enhance the chance of pores and skin most cancers. So, even when you have a deeper pores and skin tone or don’t burn simply, the solar nonetheless impacts your pores and skin. 

To guard your pores and skin, it’s best to make use of sunscreen and observe good solar safety habits, akin to searching for shade and sporting a wide-brimmed hat, sun shades, and protecting clothes.

If I don’t burn, why is sunscreen so important? ISDIN

What does sunscreen need to do with pores and skin getting older? 

Your pores and skin has its personal reminiscence, and harm accumulates because the years go by. UV radiation produced by the solar provokes unstable molecules, known as free radicals, to interrupt down proteins within the pores and skin. Our our bodies have pure defenses in opposition to these free radicals within the type of antioxidants. But when the variety of free radicals produced turns into too nice, cell and DNA harm can happen. 

This course of known as oxidative stress, and it turns into obvious within the pores and skin via the sooner growth of effective strains, wrinkles, and pigmentation – in different phrases, untimely getting older. 

The excellent news? Sunscreen may also help fight this course of by defending pores and skin from the photoaging results of the solar. 

What does ‘broad spectrum’ safety imply?

First, let’s discuss in regards to the photo voltaic spectrum. The photo voltaic spectrum is made up of various sorts of radiation, and a few them would possibly sound acquainted:

UVA rays: Also known as ‘getting older’ rays, such a photo voltaic radiation is chargeable for untimely getting older of the pores and skin (photoaging), together with the looks of sunspots and wrinkles. The sort of ray can move via glass or automobile home windows. 

UVB rays: The sort of ray is the first reason behind sunburn (which is why it’s generally known as the ‘burning’ ray). And like we talked about, tanning, quite than being wholesome, is a sign of solar harm within the pores and skin. 

Each forms of ray additionally contribute to the chance of growing pores and skin most cancers. Thankfully, sunscreen with broad spectrum safety protects in opposition to each varieties.

Why must you use broad spectrum sunscreen?

Keep in mind: UVA radiation is chargeable for long-term harm, akin to photoaging and pores and skin most cancers, whereas UVB radiation contributes to sunburns. And broad spectrum sunscreen protects the pores and skin from each forms of photo voltaic radiation (UVA and UVB). For this reason it’s the solely sort of sunscreen really helpful by the American Academy of Dermatology.

Why should you use broad spectrum sunscreen? ISDIN

What do the letters ‘SPF’ stand for? 

SPF stands for solar safety issue. The efficacy of your sunscreen is measured by the quantity of safety it presents your pores and skin in opposition to sunburn and pores and skin tanning, each of that are forms of solar harm that enhance the chance of growing pores and skin most cancers. 

SPF measures the period of time your sunscreen will assist defend your pores and skin from UVB radiation.

What do the numbers after SPF imply?

Good query! The numbers indicated in your sunscreen, akin to SPF 30 and SPF 50, let you know how lengthy it might take for UVB radiation to burn your pores and skin when out within the solar (so long as you’re utilizing the sunscreen precisely as directed on the label). 

When utilizing sunscreen, it’s at all times finest to decide on the next SPF as a result of this can enhance the time it takes on your pores and skin to burn whereas in direct daylight. However, you continue to must reapply sunscreen usually! Extra on that in a sec.

What’s mineral sunscreen, and the way does it work?

Mineral sunscreens use mineral components like zinc oxide and titanium dioxide to assist defend your pores and skin from the solar. They work by forming a ‘defend’ on prime of the pores and skin, serving to to deflect the solar’s rays. So, they’re additionally generally known as bodily sunscreens.

Many dermatologists suggest mineral formulation as they’re typically appropriate for a variety of pores and skin varieties, together with delicate pores and skin. And with the fitting formulation, they will do extra than simply defend. Our distinctive Eryfotona mineral sunscreens assist restore present solar harm within the pores and skin via the usage of DNA Repairsomes®.

What is mineral sunscreen, and how does it work? ISDIN Eryfotonas

What about chemical sunscreen?

Versus mineral sunscreens, chemical sunscreens are absorbed into the pores and skin. They assist flip UV radiation into dispersed warmth. And so long as your sunscreen has an SPF of 30 or greater and presents broad spectrum safety, utilizing chemical vs. mineral sunscreen is all about private choice.

What’s waterproof sunscreen? 

When a sunscreen is water-proof, it means the SPF has been examined and proven to stay efficient whereas swimming or sweating (e.g uncovered to water). That is measured by a interval of 40 or 80 minutes. Test the label in your sunscreen, which can let you know if the product is water-proof, and the way lengthy it’ll stay efficient when your pores and skin will get moist. 

The 2-hour rule of utility applies solely to dry pores and skin, so it’s vital to stay to common 40-minute functions whereas swimming or sweating (e.g doing sports activities).

What is water-resistant sunscreen?  ISDIN

Is there a distinction between face sunscreen and physique sunscreen?

To start out, there are properties each sunscreen ought to have. The American Academy of Dermatology recommends utilizing sunscreen that:

  • Has an SPF of 30 or greater
  • Presents broad spectrum safety
  • Is water-proof

The key distinction between physique and face sunscreen is texture and formulation. Sunscreen shouldn’t really feel like a chore to put on, particularly in terms of day by day facial sunscreen. It’s essential to discover a method that matches your pores and skin. 

Enter Eryfotona Actinica. The SPF 50+ 100% mineral method presents broad spectrum safety and melts into the pores and skin with out an oily, greasy end.

Is there a difference between face sunscreen and body sunscreen? ISDIN Eryfotona Actinica

Does sunscreen expire?

Sunscreen does have an expiration date. However don’t fear, it’s in all probability not any time quickly! 

The Meals and Drug Administration mandates that every one sunscreens have to be formulated to take care of their unique diploma of safety for 3 years — even after opening. Nevertheless, that timeline solely considers optimum storage circumstances. So for those who’re susceptible to leaving your sunscreen in a sizzling automobile, your method would possibly faucet out sooner. 

To maintain your sunscreen in tip-top form, keep away from exposing the bottle to extreme warmth or direct solar. And ensure to toss out sunscreen that has any large modifications in coloration or consistency. Right here at ISDIN, we advise that with common use and storage, most sunscreens ought to be used up inside a 12 months. 

Do you have to apply sunscreen earlier than or after moisturizer?

Sunscreen ought to be the final step in your skincare routine earlier than make-up, so apply it after your moisturizer. Be certain to depart a while between making use of your moisturizer and shifting on to your sunscreen step to make sure the product has absorbed appropriately. 

Apply your sunscreen in line with the product label and a minimum of quarter-hour earlier than leaving the home within the morning, or earlier than solar publicity.

How usually must you reapply sunscreen?

Reapply a minimum of each two hours, whatever the safety issue. And much more often (each 40 minutes) whereas swimming, sweating, or after you’ve dried off with a towel. All of those measures rely upon the exercise you’re doing, the depth of the solar once you’re uncovered, and even on pores and skin sort.

One other reminder: be certain to apply sunscreen precisely as directed on the label. Many individuals under-apply sunscreen or use much less when it’s the next safety issue, as they’ve a false sense of safety led to by the upper quantity.

Should you apply sunscreen before or after moisturizer? ISDIN

Can I put on ISDIN sunscreens beneath make-up? 

Our Eryfotona sunscreens use an ultralight, fast-absorbing method with no greasy end, making them the best base for make-up utility.

When you want to mix your make-up step with sunscreen, Eryfotona Ageless is an ultralight tinted mineral sunscreen offering SPF 50 broad spectrum safety. The versatile tint helps pores and skin look extra even in tone and helps to right seen imperfections. 

Can I wear ISDIN sunscreens under makeup?

Okay, I feel I acquired it. Can I head to the seaside now? 

Nearly! Let’s go over a fast guidelines:

  • Is your sunscreen SPF 30 or up?
  • Is it broad spectrum and water-proof?
  • Did you learn your sunscreen label to know the way a lot and when to use?
  • Do you’ve got a cool, shady place to retailer your sunscreen?
  • Acquired a hat and a coverup? 
  • How a couple of large bottle of water? 

When you stated sure to the entire above, you’re able to hit the seaside. Now, go on and have some enjoyable within the solar.


Sources and references:
Naidoo, Ok., Birch-Machin, MA. Oxidative Stress and Ageing: The Affect of Environmental Air pollution, Daylight and Food regimen on Pores and skin. In Cosmetics (2017): 4, 4.

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