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Cloudy days, indoors, in the car: four UV myths, corrected
"It's cloudy, so I'm fine." "I'm inside all day, so why sunscreen?" Sound familiar? Here are the myths that come up most. Myth 1: No UV on cloudy days Clouds only cut UV partly. The general explanation is that a good sha
0 0Heading to the slopes? When winter UV can beat summer
Winter sun feels weak, so sunscreen is easy to skip. On ski slopes and snowy mountains, though, it's a different story. Why snow calls for extra care Snow is known to reflect UV strongly, so you get light from above plus
0 0PA++++, Broad Spectrum, the circled UVA logo: reading sunscreen labels by country
When you buy sunscreen abroad or recommend a Korean one to a friend overseas, the confusing part is usually the UVA label. SPF looks similar everywhere; UVA labeling doesn't. Korea and Japan: PA ratings From PA+ to PA+++
0 0Why do Korean and European sunscreens feel lighter? It's partly about allowed UV filters
When K-beauty fans abroad explain why they buy Korean sunscreen, the top answer is "light and no white cast." Formulation skill is part of it, but so is the fact that each country allows different UV filters. Why the gap
0 0Can you still use last summer's sunscreen this year?
Every drawer clean-out turns up a half-used sunscreen from last year. Tossing it feels wasteful, using it feels risky. Here's what communities usually say. Check first The expiry date and the period-after-opening mark on
0 0Is SPF 50+ enough, or do you need a higher number?
Abroad you'll see SPF 70 or even 100, while most Korean sunscreens simply say SPF 50+. That sparks a recurring debate: "Isn't a higher number always better?" Useful background Korea, the EU and others group everything ab
0 0FDA approves its first new sunscreen filter in about 20 years: bemotrizinol
In June 2026 the US FDA added bemotrizinol to the list of allowed over-the-counter sunscreen actives. It's the first new filter the US has accepted in roughly two decades. The essentials Allowed at up to 6% Covers both U
0 0FDA approves its first new sunscreen filter in 20 years: bemotrizinol
The US sunscreen market just got a rare change. On June 9, 2026 the FDA finalized an order adding bemotrizinol (the filter many people know as Tinosorb S) to the over-the-counter sunscreen monograph. The short version Al
0 0'Tanmaxxing' is trending on TikTok. Dermatologists are not fans
While K-beauty feeds are full of SPF reapplication hacks, another corner of TikTok is doing the opposite. Tanmaxxing means deliberately maximising sun exposure to get as dark as possible. What the trend involves, per a J
0 0Sunscreen reapplication: honestly, how often do you do it?
Everyone knows sunscreen needs reapplying to keep working, but real life is another story. On skincare forums, opinions split a lot. What people commonly say Office workers who feel one morning layer is enough People by
Poll
How many times a day do you actually apply sunscreen?
Pick one to see the results
0 0My sunscreen pills like eraser crumbs. What's causing it?
Rub after applying sunscreen and it balls up into little white crumbs? You're not alone. It's one of the most common complaints in skincare communities. Frequently blamed causes Layering sunscreen before the previous pro
0 0Mineral vs chemical vs hybrid sunscreen: what's your pick?
One sunscreen debate never dies: mineral vs chemical. Here's what usually comes up in communities. Mineral (zinc oxide, titanium dioxide) Popular with sensitive skin or people whose eyes sting easily White cast and heavi
Poll
Which type of sunscreen do you mostly use?
Pick one to see the results
0 0Japanese vs Korean sunscreen: do you use both?
Sunscreen is a category where both Japan and Korea have a strong reputation. Among Japanese beauty fans, it is common to hear about keeping one of each and switching by situation. How Japanese sunscreens are often descri
0 0What does '기능성화장품' on a Korean skincare box mean?
Shop for skincare in Korea and you'll often see 기능성화장품 on the box. It means 'functional cosmetics'. In short It's a Korean regulatory category for cosmetics that make specific efficacy claims The best-known ones are brig
0 0Choosing a Korean sunscreen: which flaw is a dealbreaker for you?
Korean sunscreens have a strong reputation in Chinese-speaking circles too, but everyone's priorities differ. The dealbreakers that come up most in reviews: White cast: a greyish face, worse in photos Pilling: flaking wh
Poll
Which sunscreen flaw can you least tolerate?
Pick one to see the results
0 0Melasma not budging with sunscreen alone? Let's talk heat and visible light
"I wear sunscreen every day and my melasma still gets darker" is one of the most common posts in skincare communities. Here's what dermatology resources and discussions tend to agree on. UV isn't the only trigger Melasma
0 0Sunscreen formulation: what R&D struggles with most between feel and protection
Sunscreen is often called the hardest category in a cosmetics lab. Shoppers want something light with no white cast, but protection and stability cannot be compromised. Here are the challenges people in the industry ment
0 0EU bans TPO in gel nail products: what nail brands need to check
If you export gel polish, you have probably heard this already. Since September 1, 2025 the EU lists TPO (trimethylbenzoyl diphenylphosphine oxide) as a prohibited cosmetic ingredient. What it is A photoinitiator that ma
0 0Australian consumer test: 16 of 20 sunscreens missed their SPF claim
Australian consumer group CHOICE sent 20 popular sunscreens to an accredited lab to recheck their SPF. 16 of them came in below the number on the label. How the test worked The Australian/New Zealand standard method, app
0 0Bogotá, Quito, La Paz, CDMX: cómo adaptar tu rutina coreana a la altura
Living at altitude changes the skincare rules. Cities like Bogotá, Quito, La Paz, Cusco or Mexico City combine two things skin notices: drier air and more UV radiation than at sea level, even when it feels cool. What com
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