Longtime Skeptic’s Carnival readers might remember an item I wrote about “DNA-based” perfume way back when. Well, it seems that “My DNA Fragrance” has taken a step up in the world, securing a couple of celebrity plugs and a mention on E!’s Chelsea Lately Show. Their website no longer features jangling flash-based music, but instead a bunch of sweaty spokesbodies writhing in silk to a new slogan: “The scent is in you!”
Unfortunately, the facelift doesn’t seem to have been accompanied by any further explanations of what the heck “based on your DNA” actually means, leaving my skepto-meter solidly at “scam.” In fact, it’s potentially a scam on the level of “naming a star” after someone.
All we know, still, is that you pay nearly 100$ for a Q-tip to swab your cheek, mail it back to them, and then they supposedly have this sample sequenced in a lab. Sometime later, you receive some “personalized” perfume in an aluminum spray bottle. What happens in between, and what “personalized” even means when translating DNA sequences into smell, is anyone’s guess. They aren’t telling:
Your DNA sample is processed into a numerical sequence similar to a social security number. No one can use this code to deduct any genetic information. Your DNA is used as the blueprint to create a one-of-a-kind fragrance from your genetic code. No two people have the same genetic sequence. Therefore, no two fragrances can smell alike.
My DNA Fragrance™ is made through our revolutionary fragrance formulation process using your genetic sequence as the blueprint to create your exclusive elixir. In the fragrance industry fragrance formulations are a highly guarded trade-secret.
If I took a section of your sequenced DNA (particularly a string without any “identifiers” as they claim), assigned colors to each codon, and then made an image out of it, it would look like, well, random noise. And there are a zillion different ways one could “map” genetic sequences onto another medium such as mixed perfume scents. The results of any one method would technically then be “unique” to you, but the arbitrary choice of method means that you could end up with just about anything at all as an end result.
Why would assigning DNA sequences to smells be any different? The method of translation is everything here. I could build a perfume mix based on the number of moles on your back if I wanted to: the key is not uniqueness, but rather how the source information relates to some final goal. Without telling anyone what the goal of that matching is, and how the DNA sequences help reach it, talking about the final perfume being “based on” your DNA would be just pseudo-scientific psychobabble. So either they are looking for particular genetic markers that in some way relate to genetically determined body odor (thus allowing the company to compliment it with a specific mix of perfume scents), or they’re just arbitrarily translating genetic gibberish into nasal gibberish.
However, if this company has actually identified all the specific genetic markers that determine someone’s body odor, it’s news to me. And news to biologists. While there’s certainly evidence that some significant portion of BO is genetically determined, even top geneticists aren’t anywhere close to having a complete map of the genes determining one’s natural “musk,” let alone knowing all the different genetic variations possible throughout the world’s population. Does this Beverly Hills company know something that top geneticists don’t? Unlikely.
Worse, as I noted in my original article, even if they did have such a process, it would be a tremendous waste of effort. What someone smells like is not some sort of mysterious secret that only your genes can reveal. Noses can do it directly, and on the cheap. Mailing in a patch of a sweaty, pit-stained T-shirt would be a lot more direct and effective way to get information on someone’s unique stench.
Of course, this is all assuming that they even bother running the expensive DNA sequencing at all. Without any information on how your DNA would be mapped to specific scents, this company has a tremendous incentive to simply pocket the huge lab fee, skimp on or entirely omit the sequencing/mapping process, and then just send customers randomly mixed scents. How could anyone argue that they had gotten things “wrong?” What would “wrong” even mean, without any idea of what the translation process is aiming at or trying to match?
In light of all of this, the new testimonials are a hoot:
There are a couple of things that we noticed that might intrigue you too. Glynis insists that there is an element of the fragrance that smells just like the children when they were tiny babies and believe me the look in her eyes tells me something is going on there!
Babies in general have a pretty distinct and recognizable smell, and perhaps the perfume happened to contain an element of that. But if the implication is that the perfume managed by design to capture not only what this specific woman smelled like, but also her children too, then that’s even more implausible than the original sales pitch.
I also noticed that as she moved her hands close to her face the scent would trigger Goosebumps down her arms; something she did not notice herself until I pointed it out to her.
Sounds like a mild allergic reaction to me!
Of course, maybe I’m just spoiling the fun here: giving someone a perfume “tailored to their DNA” may not really mean anything scientifically, but people obviously appreciate the overall sentiment (hence the marketing appeal).
Well, too bad. There’s lots of fun to be had in the world, and not all of it involves buying into dodgy, poorly defined product claims. And for more than 100$ minimum, we’re talking about serious amounts of money that could be spent on sentiments that actually make sense when you think about them.