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 have you learnt which is one of the best sunscreen to your pores and skin? Between completely different life, plus varied pores and skin varieties, tones, and considerations, there’s lots to think about when selecting a sunscreen.
So, what do you want to know? We’ve obtained the solutions to the most typical sunscreen queries right here:
Do I actually need to put on sunscreen each day?
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 cross by way of home windows, and though 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 dwelling, driving, or working on the workplace.
It’s essential to do not forget that solar harm is rather more than simply sunburn from time to time – solar harm is accumulative, and sunscreen helps shield 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 essential?
Sadly, there is no such thing as 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 improve the danger of pores and skin most cancers. So, even in case 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 looking for shade and carrying a wide-brimmed hat, sun shades, and protecting clothes.

What does sunscreen should 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 is named oxidative stress, and it turns into obvious within the pores and skin by way of the sooner improvement of fantastic strains, wrinkles, and pigmentation – in different phrases, untimely getting older.
The excellent news? Sunscreen will 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 speak concerning the photo voltaic spectrum. The photo voltaic spectrum is made up of various sorts of radiation, and a few them may sound acquainted:
UVA rays: Sometimes called ‘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 cross by way of 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 sorts of ray additionally contribute to the danger of growing pores and skin most cancers. Luckily, sunscreen with broad spectrum safety protects in opposition to each varieties.
Why must you use broad spectrum sunscreen?
Bear 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 sorts of photo voltaic radiation (UVA and UVB). For this reason it’s the solely kind of sunscreen advisable by the American Academy of Dermatology.

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 in opposition to sunburn and pores and skin tanning, each of that are sorts of solar harm that improve the danger 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, akin to SPF 30 and SPF 50, let you know how lengthy it will 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 a better SPF as a result of this may improve the time it takes to 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 elements like zinc oxide and titanium dioxide to assist shield 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 advocate mineral formulation as they’re usually appropriate for a variety of pores and skin varieties, together with delicate pores and skin. And with the fitting formulation, they’ll do extra than simply shield. Our distinctive Eryfotona mineral sunscreens assist restore present solar harm within the pores and skin by way of using DNA Repairsomes®.

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 increased and affords broad spectrum safety, utilizing chemical vs. mineral sunscreen is all about private choice.
What’s water resistant 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. Verify the label in your sunscreen, which is able to let you know if the product is water-proof, and the way lengthy it would stay efficient when your pores and skin will get moist.
The 2-hour rule of software applies solely to dry pores and skin, so it’s essential to stay to common 40-minute purposes whereas swimming or sweating (e.g doing sports activities).

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 increased
- Gives broad spectrum safety
- Is water-proof
The main 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 every day facial sunscreen. It’s essential to discover a system that matches your pores and skin.
Enter Eryfotona Actinica. The SPF 50+ 100% mineral system affords broad spectrum safety and melts into the pores and skin with out an oily, greasy end.

Does sunscreen expire?
Sunscreen does have an expiration date. However don’t fear, it’s most likely not any time quickly!
The Meals and Drug Administration mandates that every one sunscreens have to be formulated to keep up their unique diploma of safety for 3 years — even after opening. Nonetheless, that timeline solely considers optimum storage circumstances. So for those who’re susceptible to leaving your sunscreen in a scorching automobile, your system may 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 huge adjustments in coloration or consistency. Right here at ISDIN, we advise that with common use and storage, most sunscreens must be used up inside a yr.
Do you have to apply sunscreen earlier than or after moisturizer?
Sunscreen must be the final step in your skincare routine earlier than make-up, so apply it after your moisturizer. Be sure 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 in line with the product label and at the least quarter-hour earlier than leaving the home within the morning, or earlier than solar publicity.
How usually must you reapply sunscreen?
Reapply at the least each two hours, whatever the safety issue. And much more regularly (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 while you’re uncovered, and even on pores and skin kind.
One other reminder: ensure to apply sunscreen precisely as directed on the label. Many individuals under-apply sunscreen or use much less when it’s a better safety issue, as they’ve a false sense of safety led to by the upper quantity.

Can I put on ISDIN sunscreens below make-up?
Our Eryfotona sunscreens use an ultralight, fast-absorbing system with no greasy end, making them the best base for make-up software.
When you 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.

Okay, I feel I obtained it. Can I head to the seaside now?
Virtually! 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 understand how a lot and when to use?
- Do you could have a cool, shady place to retailer your sunscreen?
- Acquired a hat and a coverup?
- How a couple of huge bottle of water?
When you stated sure to all the above, you’re able to hit the seaside. Now, go on and have some enjoyable within the solar.
Sources and references:
Naidoo, Okay., 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.
https://www.aad.org/public/everyday-care/sun-protection/sunscreen-patients/sunscreen-faqs