One reason that there could be some benefits in Korean sunscreen over American brands is that they can use more ingredients. In the U.S., sunscreens are a drug according to the FDA. They are tested for how well they can protect from UVB and UVA rays, and the chemicals used in them have to go through a formal drug approval process. Because of that, there hasn’t been a new sunscreen chemical approved since 1999 in the U.S. After 4.5 years, the skin of daily sunscreen users had no detectable increase in aging, and they were 24% less likely to show increased signs of aging. Invasive melanomas were almost four times less common in daily sunscreen users. So these are all examples of inactive ingredients that can drastically change the SPF of a sunscreen. Comparing sunscreens from different markets

Purito Sunscreen Scandal and What Happened With the Purito Sunscreen Scandal and

The manufacturer of the product had a long history of developing quality sunscreen products and high technology, thus the marked SPF and PA index was not questioned by the brand. Moreover, the SPF 50, PA++++ of the PURITO Centella Green Level Unscented Sun was officially approved by the KFDA before the product was launched on the market. Osterwalder U, Uhlig S, Colson B, Vollhardt J, Good as gold: validating alternative SPF test methods, Cosmetics & Toiletries, 3 Apr 2020.

Sunscreens that reflect or scatter UV also look a lot lighter, even if they’re only reflecting or scattering a tiny amount.

Purito Sunscreen | Mineral Sunscreen

I did some research, including on Reddit, and found that before the SPF scandal people loved Purito because it felt like a lightweight moisturizer, and it didn’t leave a greasy residue. There’s also the cost of the sunscreen ingredient. If you want to cover the whole spectrum with one or two filters and you don’t want to go with a mineral sunscreen, then you pretty much have to use some of the newer broad spectrum filters. Cosmetic formulators know this really well, because sunscreens are one of the hardest things to formulate. It can take months to finish a sunscreen.

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A lot of the ire was directed toward Purito. Loyal customers — of which there were many — felt deceived. They demanded an explanation from the brand. Dimitrovska Cvetkovska A, Manfredini S, Ziosi P et al., Factors affecting SPF in vitro measurement and correlation with in vivo results, Int J Cosmet Sci 2017, 39, 310-319. DOI: 10.1111/ics.12377 Everyone approaches their daily skincare routine differently. Some people like to follow it step by step first thing in the morning, while others simply want something to put on for protection, and leave everything until night time. The best method so far seems to be the Cosmetics Europe method. Very briefly, this uses a robotic arm (attractively named the Spreadmaster) to spread the sunscreen on two different specially roughened plates. They take four different UV absorbance readings, then they put it all into an equation that calculates the SPF. But please don’t freak out! Keep in mind that there are people out there who have known all these issues with SPF testing, and all of these consumer reports for years and years, and they still use sunscreen.

Purito Sunscreen Scandal and What Happened With the Purito Sunscreen Scandal and

In the Purito sunscreen there are two filters, and some “science-based” bloggers have said that these two filters could not possibly give you a broad spectrum sunscreen, claiming there’s a dip in the UVA2 region because the two filters have peaks in the UVB and UVA1 regions: There was something called Centella Asiatica extract, which was included to help reduce pigmentation and wrinkles as well as general skin irritation. Asiatica extract is an antioxidant too. Vitamin E was included in the original formulation of Purito sunscreen and niacinamide too which is good for sensitive skin. In late 2015, Choice magazine tested six SPF 50+ sunscreens that were available in Australia, and they found that only two of the sunscreens in the consumer tests actually met the label claim. In the month-plus since INCIDecoder’s blog post, Purito, Klairs, and Keep Cool have taken action. Here is what each brand has done in response to the controversy: Purito These results are even more incredible because the study was done in the 90s, using a 90s sunscreen that was SPF 16 with 8% octinoxate and 2% avobenzone. And this was done in Queensland in Australia, where there’s a LOT of UV. So even if your sunscreen application isn’t optimal, you are still getting a lot of protection.

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Instead, I think it’s a reflection of issues with SPF testing and with batch variations and, in my opinion, a reflection of the robustness of some sunscreens – how consistently they perform over time in different conditions, which isn’t really captured by the current way of SPF testing. So, are there any alternatives if you want to use Korean sunscreen or sunscreen made in a similar way to an Asian product? Water, Butyloctyl Salicylate (Skin-Conditioning Agents), Dibutyl Adipate (Plasticizer), Propanediol (Skin-Conditioning Agents), Butylene Glycol (Skin-Conditioning Agents), But there is another really big reason why we’re so desperate to replace this test with an in vitro SPF test. It’s not very reproducible – in other words, testing the same sunscreen using this method doesn’t necessarily give you consistent results.

PURITO Daily Soft Touch Sunscreen 60ml | SEPHORA UK

So when the labs were told in SPF value, they were more likely to get that expected result and so it looks like there’s some element of bias happening. But I am going to use the Sunscreen Optimizer to demonstrate a few things… The number of filters doesn’t tell you much All Korean beauty products are incredibly popular right now, including sunscreens. So what is it about these products that have people raving, and what did they love about Purito sunscreen? So were we all wrong to say the labeled SPF was the best data point we had? Should we stop trusting all Korean sunscreens, or Asian sunscreens? Should we only use sunscreens from large Western manufacturers? Why did cosmetic formulators and scientists who understand sunscreen wait till there were two in vivo SPF tests before saying anything?

A’PIEU Pure Block Natural Sun Cream

Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine (Active Agents), Ethylhexyl Triazone (Active Agents), Dicaprylyl Carbonate (Skin-Conditioning Agents), Titanium Dioxide (Active Agents),