@drdrayzday: Diaper rash cream is not sunscreen. Always look for sunscreens that are labeled broad spectrum and with a stated SPF value (ideally 30 or higher). Don’t assume the presence of high concentrations of zinc oxide mean effective protection. #sunscreen #sunprotection #spfisyourbff @Dr. Ciaran Smythe

Dr Dray | Dermatologist
Dr Dray | Dermatologist
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Region: US
Wednesday 08 July 2026 22:55:06 GMT
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kickflipndip
🤦🤷🤓 :
this is something used in arguments a lot where you subtly change the argument to an easier one to rebut. the original argument was: this won't work his answer was: it did work, it has the ingredients to work, and showed the UV light not penetrating it your answer was: this isn't reliable and people shouldn't use it you see the change? it's changing the conversation from did it work in the specific case to could it hypothetically work for everyone all of the time to make it easier to talk about. obviously it worked in this case. obviously it can work. so because you can't rebut those two things other than to say "it's social media they're lying" you change it to talking about everyone and doing this all of the time and not just in extreme cases.
2026-07-10 13:46:56
958
mdherc
Dingus :
Yeah. Cool analysis except this already happened so we know the final outcome: it worked. Dude swam for 11 hours and did not get sunburned
2026-07-09 12:28:55
2775
lexxpw
Lexx Chavez :
shes selling sunscreen on Amazon so take it all with a grain od salt.
2026-07-10 01:15:10
1008
fktktk62
Fktktk :
Except it did work. 🙄
2026-07-09 13:54:20
651
meowmeo891
Panda 🐼 :
You guys, In the medical industry, doctors argue against each other all the time lol.
2026-07-09 03:32:29
7697
gabbityortiz
Gabby Ortiz :
The guy you’re responding to literally said wearing a heavy concentration of zinc oxide isn’t an ideal everyday sunscreen. It was effective in extreme conditions. The evidence is there. What else should he have done? It’s not like he was able to reapply sunscreen while swimming.
2026-07-09 17:59:17
708
rusty.shacklford97
rusty shacklford :
lol she wants to sell you her sunscreen
2026-07-11 09:07:51
183
nocarspls
No Cars Pls :
I feel like everyone is missing the point that it was never a recommendation as everyday sunscreen replacement but rather a special solution for an extreme sport situation where no actual sunscreen was capable of doing the job
2026-07-09 05:00:16
2258
matthew__yoder
Matthew Yoder :
He never advocated for people to use it as common sunscreen replacement. He stated it worked as a UV protection, which it did work as.
2026-07-09 20:41:15
233
virgopr0xy
virgoproxy :
residents getting brave.
2026-07-09 00:52:39
5296
6urnt0ut6itch
aria :
He’s doing it for an extreme sport where he couldn’t reapply sunscreen. Silly for anyone to try and do the same thing if they aren’t swimming in such extreme conditions for such long lengths regardless of the science
2026-07-09 01:09:13
1067
thisapsupportsped
spiritual tubing :
hey did it work? answer the question.
2026-07-10 13:31:28
13
peachinireland
Mindy 🇺🇸🇮🇪 :
Literally the main protective ingredient in sunscreen is zinc oxide
2026-07-11 09:34:46
7
virtueofpride
UFHo :
I’m concerned that an athlete is being presented as an expert on sunscreen over a dermatologist in these comments. She’s a DERMATOLOGIST 😭
2026-07-09 08:59:44
3488
mmmxxxx92
mmmxxxx92 :
this is an EXREME sport, calling for EXTREME measure. it works.
2026-07-10 10:25:50
16
zero.chill2077
ZeroChill :
But we already saw the result so how are you doubling down?
2026-07-11 02:45:24
5
randallsdeals
Randall's Deals :
He swam 11 hours in saltwater. It clearly works for what hes using it for.
2026-07-09 15:46:27
64
kelantz
Kel🇨🇦 :
Girl stop!!
2026-07-13 00:30:36
0
zaymcab
zaymcab :
His audacity is insane to me lmao
2026-07-09 14:56:34
673
carwashingmydog
ryannn :
dr dray you’re too cool. Best derm on this app
2026-07-08 22:59:07
945
blossom.journal.art
🌺 blossom journal :
This argument is so funny. Dispersion is a problem in so many formulations. And diaper rash cream doesn’t have an FDA approved SPF rating (because nobody’s paying a lab for that when it’s not the product’s purpose). But the bottom line is, if you slather enough 40% diaper rash cream on, you’re going to get very good occlusion. ~from a formulations chemist
2026-07-09 21:00:59
165
itsjohnny9
John :
Unfortunately it was tested and actually worked.
2026-07-10 15:00:11
74
jaksn.jpg
Jackson :
It’s ok to be wrong girly 😭, the dude didn’t get sun burned at all so it clearly DOES work
2026-07-09 17:45:59
167
introvoked
w :
you changed the argument from is it protecting him from uv light to should everyone copy him and not use sunscreen
2026-07-09 14:53:41
91
ovaltinemilkshake
Pinky Toe :
the sun screen will only last 90 min...this lasted 12 hours...he couldn't stop to reapply. this was his best choice of what's available
2026-07-09 05:55:00
88
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