muhdeeb
5 days ago
This article has a headline engineered with shock value connotations, but when you read it carefully, it takes pains to rein the suggestions of the title in as much as possible while still stirring the pot. It’s a kind of artistry you need to get papers published these days.
All that aside, it’s an interesting thing to think about but it’s not a basis for any kind of personal health recommendation and the authors state that. I have relevant expertise and this is a very complicated area that people routinely want to be boiled down into black and white simple advice. What this article seems to say is that lotion can affect the oxidation chemistry nearby it, but it’s not yet known if that is an effect with consequences that are on the whole negative or positive.
I would criticize the authors for their use of the word disrupt, because of the negative connotation carried by that word when talking about human biological systems. They use a softer, more neutral word, perturb, to express the same idea later in the article, which I think better expresses the idea without an emotional tinge to it.
hackernewds
5 days ago
Just posting to not just upvote, but also say that you have a very calm thought process and write with clarity
mannycalavera42
4 days ago
[flagged]
photochemsyn
4 days ago
"A commercial lotion composed of aqua, glycerin, Brassica campestris seed oil, Butyrospermum parkii butter, ceteareth-12, ceteareth-20, cetearyl alcohol, ethylhexyl stearate, Simmondsia chinensis seed oil, tocopherol, caprylyl glycol, citric acid, sodium hydroxide, acrylates/C10-30 alkyl acrylate crosspolymer, sodium gluconate, and phenoxyethanol was chosen for this experiment."
Personal health recommendation: You'd be better off rubbing down with olive oil or sunflower oil than with that concoction, most likely. The ancient Greeks got some things right.
BugsJustFindMe
4 days ago
> Personal health recommendation: You'd be better off rubbing down with olive oil or sunflower oil than with that concoction, most likely
What evidence can you point to that supports this "most likely" assertion that isn't purely naturalistic fallacy?
> The ancient Greeks got some things right.
The pantheon of capricious gods living on mount olympus? Harvesting the sweat of wrestlers to use as treatment for genital warts?
adrian_b
4 days ago
Massage with vegetable oil, usually mixed with some fragrances, had been a widespread practice for many millennia, not only in Ancient Greece, but in most lands around the Mediterranean, which was about as frequent as it would be today to take a shower.
In fact, in the ancient world the main use for vegetable oils was for massage and for perfumes, and not as food.
In the ancient literary sources, there are very few, if any, mentions of vegetable oil used as food, but countless mentions of massage with oil.
Already in the first version of the Gilgamesh Epic, almost 4 millennia ago (the Old Babylonian version), there were 4 pleasures listed as the benefits of being a civilized man as opposed to a savage: making love with a professional woman, eating bread, drinking beer and being massaged with oil (these were used to lure Enkidu into going to a city).
While in later times olive oil was the main oil used for massage, in the Gilgamesh Epic it seems that the oil that was used was sesame oil.
2000 years after Gilgamesh, e.g. in Pliny the Elder, similar accounts were given, i.e. that the main benefit from grapes is drinking wine while the main benefit from olives is being massaged with olive oil, both for pleasure and for a healthy skin.
While massage with olive oil or other vegetable oils was ubiquitous and daily for those who could afford it, for me it is a bit of a mystery how they cleaned themselves after that, in the absence of soap, because I have never seen any mention about this.
BugsJustFindMe
4 days ago
> Massage with vegetable oil, usually mixed with some fragrances, had been a widespread practice for many millennia, not only in Ancient Greece
Fragrances made of what if not volatile chemicals? Did they disrupt the human oxidation field? Did the oil?
Anyway, drinking and bathing in mercury was also widespread practice for millenia from ancient greece to the 20th century. And now we know why so many people died prematurely from mercury poisoning.
Trepanation, bloodletting, smearing animal feces on the skin, all common practices of the ancient world practiced for thousands of years that we now know are generally bad ideas.
If one appeals to age-old widespread practice, that's fallacy. There needs to be more than "people did this for a long time" before we make claims about whether that thing is actually better than modern alternatives. People have a long history of doing stupid things for very long times until something new comes along.
adrian_b
4 days ago
According to TFA, the main culprit for disrupting "the human oxidation field" from the skin care products are the alcohols contained therein.
The massage oils and the perfumes used by the ancients were not alcohol-based, but they contained only vegetable oil and oily extracts from aromatic plants.
From what is described in TFA, the oils and perfumes used in the ancient world would have had a much weaker disruption effect than modern products, if any, because they would have captured less of the hydroxyl radicals, while also generating some radicals themselves, possibly offseting the effects due to the captured radicals.
The various undesirable ancient practices listed by you have existed, but they cannot be considered as widespread or recommended by medical authorities, when compared with massage with oil.
Massage with oil was something as frequent as washing for anyone who would not be considered as poor. Massage with oil was praised as important for a healthy skin by the ancient physicians, e.g. from the Hippocratic tradition, for whom the majority of their advices about hygiene, healthy nutrition and exercises remains as valid today as they were 2500 years ago.
BugsJustFindMe
4 days ago
> According to TFA, the main culprit for disrupting "the human oxidation field" from the skin care products are the alcohols contained therein.
Phenoxyethanol is a phenol ether, not an alcohol. Olive oil contains a collection of phenolic acids, which are considered to be more toxic than phenol ethers, not less. We intentionally replace the acid hydrogen with an alkyl group specifically to lower toxicity. We do this because we actually study things like toxicity now, which the ancient Greeks did not.
> but they contained only ... oily extracts from aromatic plants.
Phenoxyethanol is an oily substance also sometimes found in aromatic plants! Green tea and chicory both contain it! People across the planet have been consuming chicory and green tea for thousands of years! (Oh no!)
tpm
4 days ago
> how they cleaned themselves after that
Water (bath), wash cloth or https://en.wikipedia.org/wiki/Strigil
adrian_b
3 days ago
None of those looks effective by itself for not leaving greasy the hands and the rest of the skin.
For thorough washing of clothes and other objects they were using lye, but lye would be too harsh for skin.
Perhaps they were first using earth to absorb most of the oil, which was then removed with the strigil, followed by washing with water.
tpm
3 days ago
They could have been using some sort of soap too, we don't really know.
bigmealbigmeal
4 days ago
> What evidence can you point to that supports this "most likely" assertion that isn't purely naturalistic fallacy?
Reducing this to the naturalistic fallacy is inappropriate.
Notice the commenter said "most likely". He's using a heuristic. When we are working with incomplete knowledge (e.g. lack of studies on phenoxyethanol), naturalism is a useful probabilistic heuristic because we are /generally/ adapted to what was in our ancestral environment. It's also a useful heuristic to defer to things we have a significant amount of understanding of (olive oil) than things we have little understanding of (a concoction invented in the 2010s).
When we say "natural", by the way, we are approximately referring to what humans adapted to by natural selection. Eating large amounts of cyanide isn't "natural" just because it's in nature; that's semantic confusion.
No one objects to saying a zoo animal should be eating its "natural" diet, and that its enclosure should represent its "natural" habitat, because this is a generally true useful heuristic. Maybe the apes are going to be healthier if you put them in a VR headset with Half-Life: Alyx and feed them protein shakes -- where's the research? -- but I'm not going to put that on equal footing until the research is out. Until then, I'll go with naturalism.
There are artificial things that are very good for us, such as vaccines. But we know this because we have sufficient research. When we don't have sufficient research, heuristics like naturalism are going to give you better results on average.
>The pantheon of capricious gods living on mount olympus? Harvesting the sweat of wrestlers to use as treatment for genital warts?
He said they got "some" things right. It's implied that they got a lot of other things wrong.
BugsJustFindMe
4 days ago
> Reducing this to the naturalistic fallacy is inappropriate.
> Notice the commenter said "most likely". He's using a heuristic.
They are using a purely appeal-to-nature-and-antiquity-without-any-other-justification heuristic. If your objection is that I should have said "appeal to nature and antiquity without any other justification" because you think "naturalistic fallacy" means something else (which it might), then ok let's go with that, but otherwise it's very appropriate.
"Most" likely is a decision about the balance of merit.
Show something beyond "people did it without chemical analysis" that doing one is actually better than doing the other, especially in the way being discussed by the article. Show that rubbing olive oil on your body won't likewise disrupt your oxidation field. Show that the polycyclic aromatic hydrocarbons in olive oil aren't individually disruptive to skin chemistry despite suspected or known links to cancers, cardiovascular disease, and poor fetal development.
> He said they got "some" things right. It's implied that they got a lot of other things wrong.
Picking which things were right and which ones were wrong requires analysis of the merits. They did none of that.
ps. Do we have a reason to call them "he"? I didn't see anything in their profile or comment history.
flufluflufluffy
4 days ago
At this point y’all are just arguing about who’s better at arguing xD
ok_computer
4 days ago
We use coconut oil for kids’ diapers and as skin moisturizer. The melting point (above room temperature in winter) and skin absorption makes it less greasy to me. And it seems ok and maybe preferable to get the refined organic expeller pressed stuff because it has lower aromatic smell and scratchy particles as the virgin cold pressed stuff at a 3-4$ jar discount.
jizcoin
4 days ago
That exact formula matches “Neutral 0% Body Lotion” from Scandinavia.