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Thu Aug 16, 2018 3:38 pm  |
I have bought some sun sensitive paper on Amazon and decided to test ALL my sunblocks.
This paper is "coated with light-sensitive chemicals, which react to light waves and particles when exposed to light."
See this short youtube video, if you have never heard of it: https://www.youtube.com/watch?v=O6_pzu-nJUo
I have tested the following sunblocks:
As you can see, some of them are from Europe (Vichy), some of them are from Japan (Ginza Tomato, Anessa by Shiseido, Astalift by FujiFilm, Laduree, etc.) and others are from the US (EltaMD, Australian Gold, Cotz, MD SolarScience). 2 sunblocks are not in the photo above but in a photo below.
(the BLUER the paper, the better the sunblock)
Experiment I was done without a plastic wrap on top of the paper.
Experiment II was done WITH a plastic wrap on top of the paper.
And this is after sun exposure:
(the BLUER the paper, the better the sunblock)
Results:
The best players are:
#4 Astalift by FujiFilm BB cream SPF 50+ PA++++ (good job in both experiments)
#16 Ginza Tomato Camelion BB cream SPF40/PA+++(good job in both experiments)
#7 Australian Gold Mineral Lotion SPF 50 with Zinc Oxide 4% and Titanium oxide 4% (big surprise for me)(good job in both experiments)
The worst players are:
#9 Elta MD Defense SPF 45 (this is the sunblock I have been using for 2 years!!!) Zinc Oxide 9% and 7.5% Octinoxate (poor job in both experiments)
#13 Vichy Bronze SPF 50 (France) (poor job in both experiments)
#15 KOHGENDO SPA SUN PROTECT Watery UV Gel SPF50+ PA++++ (Japan) (poor job in both experiments)
#11 Cotz Sensitive SPF 40 with Zinc Oxide 20% (poor job in both experiments)
Observations:
Some chemical sunblocks (Vichy,Laduree) did a good job in Experiment I and a poor job in Experiment II. I guess that is because chemical sunblocks need to be absorbed by the skin to work. But it does not explain why some physical sunblocks (MD SolarScience) did such a poor job in Experiment II.
Instruments:
Please note I used a lot more sunblock (1/8 tsp on a 2.5-inch circle). It is more than you would use on your face. |
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Thu Aug 16, 2018 3:46 pm |
| Sunblocks that did the best job in both experiments are all tinted. |
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artcool
New Member
 
Joined: 22 Jun 2016
Posts: 8
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Fri Aug 17, 2018 6:59 am |
You did a fantastic job! Thanks for sharing the results. Looks like EltaMD is disappointing despite its huge popularity.
You may start a Youtube channel if you like to test new products. You will be successful.
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Fri Aug 17, 2018 9:43 am |
I just used the Australian Gold Mineral Lotion SPF 50 on a 4 day camping, biking and floating trip and so happy to know it's good and works!
Thanks Sunshine! |
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Mon Aug 20, 2018 7:57 am |
Thank you very much for sharing!
This will help me a lot when I throw all my UltraSun, Neutrogena, Altruist etc to the bin. All they do is make me look like Casper the friendly ghost.
This summer, which was extremely hot here in UK, I used various sunscreens SPF 50 and above, all great feedback and reviews and ended up with a lot of freckles.
All my efforts from previous years have been nullified.
On the bright side, THE sun spot I had is not lonely any more and fits perfectly among the rest of them.
Oh well. |
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Tue Aug 28, 2018 5:26 am |
| Thanks sunshine for sharing your info it is very helpful to choose the best one. |
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Wed Feb 13, 2019 12:30 am |
Good pick up, Sunshine! I initially got worried because I like my EtaMD but rated so badly.
| RussianSunshine wrote: |
| Sunblocks that did the best job in both experiments are all tinted. |
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Sat Mar 09, 2019 8:08 pm |
| Thank u soooo much for this!!! Trying to figure out sunscreens is like figuring out the davinci code🧐 |
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46, curly dk blonde hair, fair, blue eyes, very oily T-zone. HGs: Tazorac .05% gel; Avene/Bioderma s/s (very high spf AND ppd); Cellbone vit Cie 20%; Cellbone Hyperpeptides; IFP 5% bha/10% aha; Obagi Clear; 'curly girl' method (no poo, just co wash) for my 3b curls. |
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| Tue Apr 16, 2024 3:13 am |
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