Do We Really Need to Wear Sunscreen Every Day Even if It’s Not Sunny Outside?
15 Dec 2025 · 11 min
Rachel Varga, an aesthetic nurse, explains why you need sunscreen daily even when it's cloudy: UVA rays age your skin through clouds and windows. She recommends mineral sunscreens with zinc and titanium dioxide over chemical ones, which can mimic hormones, and says they last 6 to 7 hours versus 1 to 3 hours for drugstore versions.
Questions this episode answers
Mineral sunscreen: about 6–7 hours; over-the-counter chemical UV filters: about 1–3 hours.
Avobenzone and oxybenzone (mentioned as examples).
Roughly between 8:00 and 18:00 (8am to 6pm).
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Do you really need to wear sunscreen every day, even if it's not sunny outside? This is JJ Virgin, four time New York Times bestselling author, celebrity nutrition expert, and Fitness hall of Famer. I've been on a lifelong quest for answers to the toughest health questions and now I'm sharing what I found with you. Welcome to Ask the Health Expert. Mila from the Rachel Varga Podcast asks, do we really need to wear sunscreen every day, even if it's not sunny outside? Hey, it's J.J. and I've got celebrity skin expert and board certified aesthetic nurse Rachel Vargo with me to answer this question. Rachel is an accomplished international clinical trainer and academically published award winning author in the space of aesthetic medicine and nursing and also an Executive board member of the Plastic Surgery Nursing Journal. She's also one of the biggest tomboys you'll ever meet and grew up taking apart motors, riding motocross and riding horses. We'll be right back with the answer. Stay with us.
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Oh my gosh. This is a question I also seem to get every single day is do we need to wear sunscreen every day, even if it's not sunny outside? And that is 100% yes. And let me just give everybody kind of like a little bit of a UV lesson here, right? So we're going to talk about UV 101. Here's exactly what you need to know about UV rays. So there's a number of different types of radiation out there. And from the sun, we get UVA and UVB rays. So UVA rays are those rays that you're getting on the cloudy rainy days. So say, for example, you're driving or you're walking, and it's generally between the hours of eight to six, and you don't need your car headlights or flashlight to illuminate your path, but it's not really bright and sunny. You're getting a lot of UV A rays. So those are the aging rays. This is primarily what's actually reaching quite deep into the skin and creating most of your collagen loss and also contributing to things like age spots, brown spots, things like that, and accelerated aging. So then we have the UVB rays. So these are the rays that you get when it's really sunny outside. You can think of the UVB rays, like the burning rays. Those are the ones like for myself, when I go outside, I'll start to get a little bit rosy, usually within 20 or 30 minutes. However, I do work with some nutraceuticals that give me antioxidant protection from the inside out. And also it's really the combination of the UVA and the UVB rays that are contributing to a lot of my clients aging, aging. And I'll work with clients that are in their 40s to 60s and they meet with me either in the clinic or online and they'll say to me, rachel, I never go in the sun. But why do I have all these brown spots? And it's really that cumulative exposure to the UVA UVB rays. So going from the house to the shops, 5 minutes, 10 minutes here and there, that's actually what creates the cumulative effect of photo aging on the skin. So here's the kicker, guys. We're at home a little bit more now. We're on our devices. We're on our laptop, our cell phone, our tablets, our TVs. We have LED lights in our home, by the way. I do not have LED lights in my home. I have halogen lights only. And what we've learned over the last few years, and I actually started to hear about this a couple years ago at different events and studies being brought to my attention was the blue light. The blue light from our devices actually reaches deeper than the UVA and the UVB rays. So even if you're kicking it at home, you're working from home and you're on calls all day long or whatever, you are actually getting UV damage inside your house or even next to a window. On my social media, Rachel Varga Fishel I actually have a really great photo of someone who on their right side of their face was constantly next to a window. And they actually had quite a significant change between the left and right side of the face because the right side was getting sun exposure even through the glass. So yes, you're certainly wanting to wear sunscreen every single day. But there's two kinds of sunscreen. There's chemical UV filters, Avobenzone, Oxybenzone. If you check your sunscreen product like your BB cream primer, your moisturizer or foundation with sunscreen, if it has any of those ingredients, I literally want you to throw it out right now. Now, because those are hormone mimicking and hormone disrupting ingredients, they're also killing our coral reefs and negatively impacting our water supply. So stop using those right away. What I want you to use is more of a mineral medical grade sunscreen. And jj, I have sent you one of my favorite sunscreens. It does actually also act as a primer. It gives a little bit of color and even has some antioxidants added to it. And it's talc free and it uses both zinc and titanium dioxide. So. So the benefit to using a mineral sunscreen is that it's actually going to give you longer protection. So more like that, six to seven hours with a mineral sunscreen as opposed to the one to three hours that you're going to get with an over the counter chemical UV filter. It's really important that you understand the differences between sunscreens. If you think, oh, my sunscreen stings my eyes, it's the chemical UV filter ones that are doing just that. So literally using your sunscreen every day is not only going to help to protect the collagen that you have reduce accelerated aging like age spots, broken capillaries, sagging skin, but it's also going to help to protect you from skin cancer. And the clinical data is out. It is definitely important for you to use your sunscreen every single day to prevent skin cancer.
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