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NOW READING You Wear Sunscreen Daily, But This Is Why You’re Still Photoaging
August 30, 2017

You Wear Sunscreen Daily, But This Is Why You’re Still Photoaging

Think you’re diligent about wearing sunscreen every day? All your best efforts may be for naught if you’re not following these basic rules of sun protection. Find out why you may still be photoaging under that thick, white sunscreen.


If there’s one thing I’m passionate about in skincare, it’s sun protection. It is the single most important thing we can do in terms of preventing premature aging, skin disease, and skin cancers. Really, it should be your highest priority on the skincare hierarchy scale.


But even if you have prioritized skin protection and have all the best intentions, you may not be doing everything correctly. Here are three important things you can check to ensure you’re doing all that you can to prevent photoaging. These three small things can make huge differences in not just how your skin looks but your health.


1. You’re not protecting against UVA rays 


Many years ago, it was wrongly (very wrongly) thought that only UVB rays were of concern and worth protecting yourself from. UVB is the cause of the most instant and therefore easily identifiable consequence of sun exposure: sunburns. And as we began to understand more and more about the correlation between UVB and cancer, sunscreens gained popularity and provided protection against those UVB rays. It’s only somewhat recently that the importance of protecting yourself against UVA rays as well as UVB rays was understood.




UVA penetrates the skin more deeply than UVB rays, and, according to, that’s where the real damage takes place: “UVA has long been known to play a major part in skin aging and wrinkling (photoaging), but until recently scientists believed it did not cause significant damage in areas of the epidermis (outermost skin layer) where most skin cancers occur. Studies over the past two decades, however, show that UVA damages skin cells called keratinocytes in the basal layer of the epidermis, where most skin cancers occur. (Basal and squamous cells are types of keratinocytes.) UVA contributes to and may even initiate the development of skin cancers.”


So while North American sunscreens have SPF ratings (sun protection factor) that tell you its level of strength against UVB rays, it does not use the PA rating, which indicates UVA protection. So even if your sunscreen is labeled as “broad spectrum” protection, it still may not be offering up the UVA protection you need. Thanks to the PA rating used by Korean and Japanese sunscreens, you can be assured you’re covered.


So just like SPF, there are different levels to PA protection. PA+ means the sunscreen can provide UVA protection with a factor of Persistent Pigment Darkening (PPD) between two to four. It can provide the protection of medium UV radiation.




Sunscreen labeled with PA++ can provide moderate protection against UVA rays with a factor of PPD between four and eight. It is ideal for a normal skin individual exposed to medium UV radiation.


PA+++ is designed for normal skin that’s exposed to very strong UV radiation. It provides good UVA protection with a factor of PPD of more than 8.


I always recommend a rating of at least PA+++ and SPF 50; for me, there’s just no reason to use anything less. Using Korean or Japanese sunscreens is a very safe way to know exactly what kind of protection you’re getting so you can plan accordingly.


2. You’re not applying enough sunscreen


I have heard all kinds of different measurements of the “correct” amount of sunscreen one must apply. I’m not even going to get into the horror story of people who think that they’re covered just because their foundation has an SPF. (You’re not — you’re sooo not!). A dedicated sunscreen is the only way to go for protection.


sunscreen 101


How much I’ve seen people use varies wildly. There’s the nickel-sized dollop for the face, shot glass amount for the exposed parts of the body, two tablespoons, and even “two finger lengths worth” standard. For me personally, I take my cue from Kerry of Skin & Tonics. During a visit one day, we were getting ready at my bathroom mirror. Kerry and I are the same age but she looks a full decade younger than me; her skin is ageless! I had to ask her exactly how much sunscreen she uses to keep up that fantastic visage. She said “a fat cherry’s worth for the face and neck.”


With today’s fast-drying, non-pilling formulations, applying that much product is a breeze. From that day on, I’ve been a part of the fat cherry club.


It’s a bit harder to gauge with spray sunscreens, but the general guideline is apply until there is an even coating (made visible by an initial sheen). You’ll need a mirror for this, so be sure to carry a mirrored compact as well if you’ll be out and reapplying with a spray.


Innisfree City Vacance Sun Stick SPF50+ PA++++ . photoaging


Reapplication is another must-do when it comes to adequate sun protection. While it doesn’t degrade or have a timer for how long it will work, simply by touching your skin you’ll be rubbing some of the protection off, so don’t think that it’s a one and done thing. We absolutely must reapply. The spray-on versions are perfect for this if you’re worried about ruining your makeup.


Other small things you can do are seek the shade from 10 am to 4 pm every day, wear sunglasses with UVA/UVB protected lenses, and wear longer sleeves. A white T-shirt only has an SPF protection of about 15, so you’d better find that shade and park it.


3. You’re not applying sunscreen the correct way


Last year, a redditor posted an amazing video in the Asian Beauty subreddit (watch it below). It touched on something that even the most dedicated sunscreen users might not have given much thought to: the correct sunscreen application technique. In the video, two women in their 40s apply sunscreen: one the way the majority of us do — just swiping it on and rubbing it in — and the other is applied correctly as demonstrated by a doctor. The one who swipes is revealed to have patchy, uneven coverage and protection. The doctor-instructed skin has an even barrier with vastly improved performance.


The first step in correct application is applying dollops with your fingers to five keys points of the face: the nose, forehead, cheeks and chin. From there you pat the skin instead of rubbing it in. Patting is the key! Flashback to the difference in coverage when applying your BB with a cushion puff and applying it with your fingers, and you’ll get an idea as to why patting in your sunscreen is of the utmost importance for even coverage.


The video can be seen here with the relevant part starting at 36:10. (It’s in Japanese, but you get the gist.) Watch it and change your life!


shgai. by howtwosavealif3


If you can utilize the three points we’ve covered today, you can move forward with confidence knowing you’re doing all that you can to fight skin cancer and prevent photoaging. Honestly I can’t think of a better start for tomorrow.


Is photoaging a concern for you? How diligent are you about applying sunscreen? How much do you put on and how? Let’s talk about it!



Coco Park is an author, beauty journalist, blogger, podcast host, and all around oddball living in Montreal Quebec with her family. Originally from the southern USA, she worked for several years in the makeup industry as a professional makeup artist and holds a certificate in esthetics. She is a proud member of the Choctaw Nation of Oklahoma. Want to know more? Check her out on the Beauty Beyond Basics podcast, on her blog, on Instagram @thebeautywolf, and in her book "Korean Beauty Secrets: A Practical Guide to Cutting-Edge Skincare & Makeup."




I'd be interested to hear what everyone thinks about the crazy-high-PPD sunscreens they have in Europe. The high-protection sunscreens there have 20, 40 or even higher PPD, compared with only 16+ for PA++++. It seems to me that, as much as I love my Japanese sunscreens, higher PPD is still the way to go to avoid photoaging.


I always rubbed in my sunscreen....... uh oh. I'll have to start patting!



Honestly. Y'all have got to quit blowing my mind.


What an eye opener! I've always swiped on my sunscreen...


Great article with important points!
I normally wear glasses or contact lenses, and on the days I choose to wear glasses, I can never switch to sunglasses, because I don't have prescription sunglasses. This is something I should invest in very soon, especially since applying sunscreen too close to my eyes is near impossible for me.


Me too! I mostly just use my glasses at home in the evenings (in case I fall asleep while reading or watching TV). However, occasionally my eyes feel dry or irritated in the morning and I think about skipping contacts... but then I realize I can't do that if I'm leaving the house and it's really sunny!


The list shared above of essential in summer is helpful. One should always carry sunscreen, a pair of wholesale designer sunglasses, wallet, makeup, magazine, and many more things. Presently, different sites are like City Sunglass(, Amazon, and similar are available on the Internet selling fashion accessories at an affordable cost.


I’ve been proud of myself for applying sunscreen since my early 20s, but now i learn that to my horror I’ve not been applying it properly?!


I have very fair skin and try to be diligent about sunscreen. I appreciate the P+++ rating of Korean sunscreen and wish I would have known about it sooner! Up until now I've used the SPF grading system of western products (lotion, spray and mineral powder compact ). Does anybody have a recommendation for Korean products, especially the spray sunscreen. Thank you!!

Also, thank you, Coco, for this amazingly informative article.


I always make sure I get some sunscreen on my face every day but beyond that I can say that I'm not the most diligent when it comes to reapplication or measuring out the exact 1/4 tsp for my face. Every time I start obsessing over it I read too many articles online, get freaked out about everything and then impulse buy sunscreens I never end up using lol. Some sunscreen is better than no sunscreen so I just try to use a good physical or physical/chemical SPF combo every day before I'm out of the house for errands and... Read more

very informative no i can apply my sunscreen in correct way..??