Sunscreen FAQs: Your Questions Answered | ISDIN

Studying: 6 minutes

Your mother makes use of one kind. 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 are you aware which is the most effective sunscreen to your pores and skin? Between totally different life, plus numerous pores and skin varieties, tones, and issues, there’s so much to contemplate when selecting a sunscreen. 

So, what do you want to know? We’ve obtained the solutions to the commonest sunscreen queries right here:

Do I really want to put on sunscreen day-after-day?

Sure! Solar injury doesn’t solely happen throughout summer time. Photo voltaic radiation can penetrate clouds and mirror off surfaces corresponding to snow. So solar safety actually isn’t simply restricted to summertime! 

The solar’s UVA rays additionally move via home windows, and though the injury brought on by UVA rays isn’t all the time instantly obvious, radiation can nonetheless attain your pores and skin whilst you’re at dwelling, driving, or working on the workplace.

It’s vital to do not forget that solar injury is rather more than simply sunburn occasionally – solar injury is accumulative, and sunscreen helps shield your pores and skin from sunburns, untimely pores and skin getting old, and pores and skin most cancers. 

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

Sadly, there isn’t a such factor as ‘secure’ tanning or unprotected solar publicity. Unprotected solar publicity can injury pores and skin cells, pace up the pure getting old course of, and improve 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, corresponding 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 should do with pores and skin getting old? 

Your pores and skin has its personal reminiscence, and injury 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 towards these free radicals within the type of antioxidants. But when the variety of free radicals produced turns into too nice, cell and DNA injury can happen. 

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

The excellent news? Sunscreen might 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: Sometimes called ‘getting old’ rays, one of these photo voltaic radiation is accountable for untimely getting old of the pores and skin (photoaging), together with the looks of sunspots and wrinkles. Any such ray can move via glass or automobile home windows. 

UVB rays: Any such ray is the first reason for sunburn (which is why it’s often called the ‘burning’ ray). And like we talked about, tanning, reasonably than being wholesome, is a sign of solar injury within the pores and skin. 

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

Why must you use broad spectrum sunscreen?

Bear in mind: UVA radiation is accountable for long-term injury, corresponding 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 kind 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 affords your pores and skin towards sunburn and pores and skin tanning, each of that are forms of solar injury that improve the chance of growing pores and skin most cancers. 

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

What do the numbers after SPF imply?

Good query! The numbers indicated in your sunscreen, corresponding to SPF 30 and SPF 50, inform you how lengthy it could 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 all the time greatest to decide on the next SPF as a result of this can improve the time it takes to your pores and skin to burn whereas in direct daylight. However, you continue to have to reapply sunscreen usually! Extra on that in a sec.

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

Mineral sunscreens use mineral substances like zinc oxide and titanium dioxide to assist shield your pores and skin from the solar. They work by forming a ‘defend’ on high of the pores and skin, serving to to deflect the solar’s rays. So, they’re additionally typically 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 suitable formulation, they’ll do extra than simply shield. Our distinctive Eryfotona mineral sunscreens assist restore current solar injury within the pores and skin via using 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 larger and affords broad spectrum safety, utilizing chemical vs. mineral sunscreen is all about private desire.

What’s water resistant sunscreen? 

When a sunscreen is waterproof, 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. Examine the label in your sunscreen, which is able to inform you if the product is waterproof, 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 purposes 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 begin, there are properties each sunscreen ought to have. The American Academy of Dermatology recommends utilizing sunscreen that:

  • Has an SPF of 30 or larger
  • Provides broad spectrum safety
  • Is waterproof

The most important distinction between physique and face sunscreen is texture and formulation. Sunscreen shouldn’t really feel like a chore to put on, particularly relating to every day facial sunscreen. It’s essential to discover a formulation that matches your pores and skin. 

Enter Eryfotona Actinica. The SPF 50+ 100% mineral formulation affords 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. Nonetheless, that timeline solely considers optimum storage situations. So if you happen to’re vulnerable to leaving your sunscreen in a scorching automobile, your formulation 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 massive modifications in coloration or consistency. Right here at ISDIN, we advise that with common use and storage, most sunscreens needs to be used up inside a yr. 

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

Sunscreen needs to be the final step in your skincare routine earlier than make-up, so apply it after your moisturizer. Ensure that to go away a while between making use of your moisturizer and transferring on to your sunscreen step to make sure the product has absorbed accurately. 

Apply your sunscreen based on the product label and no less than quarter-hour earlier than leaving the home within the morning, or earlier than solar publicity.

How usually must you reapply sunscreen?

Reapply no less than 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 depend upon the exercise you’re doing, the depth of the solar whenever you’re uncovered, and even on pores and skin kind.

One other reminder: be sure that 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 formulation with no greasy end, making them the perfect base for make-up utility.

If you happen to favor 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 obtained it. Can I head to the seashore now? 

Nearly! Let’s go over a fast guidelines:

  • Is your sunscreen SPF 30 or up?
  • Is it broad spectrum and waterproof?
  • Did you learn your sunscreen label to know the way a lot and when to use?
  • Do you will have a cool, shady place to retailer your sunscreen?
  • Acquired a hat and a coverup? 
  • How a couple of massive bottle of water? 

If you happen to mentioned sure to the entire above, you’re able to hit the seashore. 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 Weight loss program on Pores and skin. In Cosmetics (2017): 4, 4.

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