DNA Skincare In The UAE: Why Your AC Damages Your Skin Faster Than The Sun

Sand Skincare Talks: Episode 5

DNA skincare sounds like something I should be suspicious of, and I was. The idea that a cheek swab could tell us which moisturizer to buy has been floating around the beauty industry for over a decade, mostly attached to expensive kits and vague promises about our “genetic blueprint”. Dermatologists have been rolling their eyes at it for about as long.

So here’s the short version, before I get into how I ended up talking online to a skin therapist in Sarajevo about Dubai.

A DNA test can’t tell you which moisturizer to buy. A DNA test can flag long-term tendencies, like a weaker skin barrier or a higher pigmentation risk. And in the UAE, the air conditioning damages your skin barrier faster than the sun does, even if the sun still does the more serious damage in the long run.

I’m not a fan of social media, but when you become an expat, you need the kind of practical information only other expats can share from their own experience. So I had no choice but to join Facebook groups.

Joining a Facebook group will fill your Feed with all types of posts you never even dare to dream about, but it will also send you the right message at the right time.

One of those right-message-at-the-right-time posts was from Jelena Rebić. After I replied to her post about skincare routine in the UAE, she messaged me directly, asking what this climate does to my skin, and I assumed it was the usual thing happening in the UAE. Someone selling something.

She was, sort of. Jelena is a dermatological esthetician based between Istočno Sarajevo and Belgrade, researching a market she’d never lived in. She spent years treating Dubai residents who flew back to Serbia for skin maintenance, and she’s now trying to raise money for a company built on what she saw on their faces.

Right now, she is working on GENEA, a personalized skincare startup designed to decode skin needs by combining DNA insights, real-time environmental data, and tailored active ingredients for extreme climates like the UAE.

I asked if she’d answer some questions for Sand Skincare Talks, including a few she probably didn’t want to answer. She said yes to all of them.

I found what she noticed to be interesting and useful.

The woman with the bag of expensive creams

Jelena trained at the Academy of Esthetics and Cosmetology in Belgrade, a three-year program covering dermatology, ingredient chemistry, and clinical practice, followed by a fourth year specializing in post-aesthetic and post-surgical care. She worked at Hollywood Beauty Line, Jolie Clinic, and Dr. Jelena Glavinić’s clinic. At her busiest, she was seeing between thirty and fifty clients a week.

Somewhere in there, a pattern began to repeat.

“I consistently treated clients who lived in Dubai and traveled back to Belgrade for skin maintenance,” she told me. “Despite having access to high-end luxury products and frequent treatments, their skin exhibited a unique paradox.”

The paradox is one a lot of us will recognize. Deep dehydration underneath, oil on the surface. Low-level inflammation that never quite settles. Stubborn pigmentation that refuses to shift no matter what you throw at it.

It clicked for her when a client arrived with a bag full of premium creams and a skin barrier that, in Jelena’s words, was completely compromised. Not because of neglect. But because of constant thermal shock and because of using products that were never designed for it.

“The problem wasn’t lack of care,” she said. “It was products formulated without accounting for extreme environmental friction.”

I’ve thought about that client a lot since. Most of us in the UAE are her. We spend more on skincare than we did back home; we have more of it, and many of us still walk around with skin that doesn’t feel good at 6pm.

What dehydrated skin actually looks like in the UAE

I found this part of her answers genuinely useful, because it comes from a certified dermatological esthetician-cosmetologist who actually had her hands on these clients’ faces.

Her Belgrade regulars, she says, had predictable seasonal patterns. Dry in winter, a bit congested in summer. The Dubai clients were different. She describes high transepidermal water loss, damaged lipid barriers, stubborn pigmentation sitting at both dermal and epidermal levels, and a texture she calls parchment thin underneath with excess oil on top, the skin overcompensating for water it can’t hold onto.

I asked whether she could tell someone lived in the UAE just by touching their face. She said yes, immediately.

“The skin feels taut yet lacks inner bounce, with subtle micro-flaking around the central face caused by constant low humidity AC airflow.”

And then the detail that made me put my coffee down: pigmentation along the perimeter of the face, which she attributes to daily UV exposure through car windows.

If you drive here, sit with that for a second. The sun coming through your driver’s side window while you’re stuck on Sheikh Zayed Road is doing something to one side of your face that it isn’t doing to the other.

There’s a photograph dermatologists still pass around of a delivery driver in the United States who spent 28 years behind the wheel. The left side of his face, the side by the window, aged visibly beyond the right, and the dermatologists who published the case attributed it to UVA coming through the glass.

And, yes, I’ve noticed, not every dermatologist thinks the average driver needs to worry, since UVB doesn’t come through closed glass and the usual advice is that ordinary car journeys aren’t a major concern. In Dubai, where people sit in traffic in strong sun daily, the picture is different.

Most cars here have tinted windows, and a lot of tint films do block UV, but not all of them block the same amount, and honestly, most of us have no idea what’s actually on our car. So I wouldn’t count on the tint.

After she mentioned “intense daily UV exposure through vehicle windows”, I Googled the exact same words and found more information on the topic:

Should you wear sunscreen when driving? Car windows fall short on UV protection, study says from preventcancer.org.

Can you get sunburnt or UV skin damage through car or home windows? from University of Wollongong Australia.

Is air conditioning worse for your skin than the sun?

I asked her to settle an argument I have with myself constantly. Sand particles and sun, or air conditioning? Which one is actually wrecking our skin?

Her answer is that they all matter, but they damage differently and on different timescales.

The structural damage we notice in ten years: the sun drives oxidative stress, breaks down collagen, and makes melanocytes hyperactive.

There’s a separate strand of research worth knowing about here, and it’s easy to confuse with what Jelena is doing. Some sunscreens now contain DNA repair enzymes, which work on damage the sun has already caused rather than predicting what your skin needs. A 2019 review found that skin treated with one of these enzymes showed a 90% reduction in MMP-1 expression, the collagenase that breaks down collagen after UV exposure. The authors are careful to say the evidence for preventing photoaging is promising but not settled, and two of the three consult for or founded companies in the field.

The AC works faster on our skin. According to Jelena, it can drop indoor humidity below 30% and pull water straight out of the epidermis. Then you step outside into 45 degrees, and back into 20-degree dry air, and your blood vessels dilate and constrict over and over again.

“In my practice, AC damages the protective barrier faster, while the UV spectrum causes long-term structural damage.”

What has always been in the back of my mind is what happens when you leave. I asked whether her clients’ skin recovered during a few weeks in Europe. Surface hydration improved, she says, because the air is wetter and the weather is milder. But the deeper barrier damage and the overactive pigment cells stayed exactly where they were. Her phrase for it is that skin retains environmental memory, and in her experience, once those clients flew back to the Gulf, everything came back within about 48 hours.

That’s what she saw with her own clients, not something that has been studied, but it made me think about how my skin feels the first days after I come back.

So a summer trip home helps, but it doesn’t really fix anything; it just gives your skin a break for a few weeks.

Why over-exfoliating makes dry skin worse

I asked what her Dubai clients were doing to themselves that made things worse. Two things came up, and I’m proud to say I am not doing them.

The first is over-exfoliation. Skin feels rough, so you assume it needs a stronger acid or a deeper peel. What’s actually happening is that a damaged barrier feels rough, and stripping it further makes the roughness worse, so you escalate again.

The second is heavy occlusive creams in humid weather. You’re dehydrated, so you reach for the thickest cream on the shelf, and then you sweat under it and break out.

She also had to change how she treated these clients entirely. The aggressive resurfacing that worked fine on European skin carried a much higher risk of post-inflammatory hyperpigmentation in people living in the Gulf, so she moved to what she calls barrier-first protocols. Rehydrate, calm the inflammation, replace the lipids, and only then start correcting anything.

This is something for all of us to think about, even if you never go near a clinic.

Can a DNA test tell you what your skin needs?

Here’s where I pushed, because this is the part that decides whether the whole idea holds up.

Everything above came from observation. Jelena could have built a climate-based questionnaire from her own clinical notes and probably helped a lot of people. Why involve genetics at all?

Her argument is that the environment explains why we all have problems, but not why we have different ones. “Two people exposed to identical heat and humidity react completely differently. One develops severe melasma, another experiences rapid collagen breakdown, while a third suffers from barrier inflammation.”

The markers she’s interested in are MMP1 for collagen breakdown, FLG for barrier function and hydration, SOD2 and GPX1 for antioxidant defense, and MC1R for pigmentation risk.

To better understand these markers I share this article I found on Google, “The genetics of the skin: how our genes determine its structure, aging, and pigmentation” where the terms MMP1, FLG, SOD2, GPX1 and MC1R are well explained.

I’ll be honest about my read on that list, because I looked into it. FLG and MC1R are solid. Filaggrin variants have a well-established link to barrier problems and eczema, and MC1R genuinely relates to how your skin handles UV. The others are more speculative in a consumer context. Knowing you carry a particular antioxidant variant does not currently translate into a specific product recommendation with much evidence behind it.

To her credit, when I raised the standard dermatologist objection, she didn’t dodge it.

“Skeptics were right when DNA was used as a gimmick to sell off-the-shelf mass products,” she said. “We don’t claim to alter genetic expression.”

Her framing is that the test picks ingredient forms and concentrations to compensate for inherited weak points, not that it changes anything about your genes.

That’s more modest than what the industry usually promises, but I’ll be honest, it’s still a product recommendation coming out of a swab, which is the thing I said at the start a DNA test can’t do on its own. The difference, if it works the way she describes, is that the swab isn’t working alone, it’s combined with the climate data and what your skin is actually doing. Whether that holds up is something only testing will show, and there’s no testing yet.

She was also clear about the limits. A swab tells you nothing about your hormones this month, your stress, your sleep, or what you ate. “DNA provides the long-term biological architecture, not the daily snapshot.”

What is GENEA, and can you buy it yet?

And back to her ongoing DNA skincare project.

I want to be straightforward with you here, because Jelena was straightforward with me.

GENEA is not a product you can buy. It’s a DNA skincare concept with a defined algorithm and a pitch deck. She’s currently raising a seed round and talking to the Dubai startup ecosystem, including incubators like in5. The plan is a cheek swab kit, lab analysis, and an app that adjusts your routine based on live local humidity and UV. Beta testing and early access kits in the UAE are targeted for six to nine months after the funding closes.

On the regulatory side, she says samples would go to accredited UAE labs and the data would sit on compliant infrastructure inside the country, in line with Federal Decree-Law No. 49 of 2023, which governs how the human genome can be used here. The law is broader than most people realise. It applies to every use of the human genome in the country, free zones included, which is not a small thing for a company planning to ship swab kits here.

That’s still just a plan. There is no funding yet, so there is nothing signed with anybody.

I’m telling you this because I’d rather you know what stage this is at than discover it after you’ve joined a waitlist.

How to protect your skin barrier in the UAE

I asked Jelena what she’d tell a woman here who will never take a DNA skincare test. She gave two answers, and they cost nothing.

Stop the harsh morning cleanse and stop exfoliating daily. Mornings are for barrier support and antioxidant protection, not for stripping.

And look at the texture of your moisturizer and your SPF. Her view is that women in the Gulf split into two camps, and both are wrong.

One group uses heavy occlusive creams that trap heat. The other group skips hydration entirely because the air feels humid. Instead, she recommends a lightweight fluid emulsion with antioxidants and barrier-identical lipids.

I find myself in camp two more often than I’d like to admit. It’s humid outside, so surely my skin is fine. It isn’t. The humidity is outside. I’m inside, under a vent, for eleven hours a day.

One last thing, because I’m curious what other people here think. Would you take a DNA skincare test if it launched here? I think I would, not because I expect it to tell me which serum to buy, but because I’d want to know if my barrier was weak by default rather than because of something I’d done. Tell me in the comments, I’m collecting these for the next episode.

Disclosure: Jelena Rebić is the founder of GENEA, a company that does not currently have a product on the market. No payment or arrangement of any kind was involved in this interview. Her answers have been edited for length and clarity.

DNA skincare in the UAE: common questions

Does DNA skincare actually work?

The honest answer is that it depends on which part you mean. Some genetic markers have solid evidence behind them, particularly FLG, which relates to skin barrier strength and water loss, and MC1R, which relates to how your skin handles UV. Others used in commercial DNA skincare, like antioxidant capacity markers, have much weaker support for turning a result into a specific product recommendation. Most dermatologists remain skeptical of the category as a whole, and the skeptics have been right before.

Can a DNA test tell you which skincare products to use?

Not on its own. A DNA test describes long-term predisposition, not what your skin is doing this week. It cannot account for hormones, stress, sleep, diet, or the climate you live in, which is why the more credible versions of this idea combine genetic data with environmental data rather than relying on the swab alone.

Is air conditioning worse for your skin than the sun in the UAE?

They damage differently. Sun exposure drives collagen breakdown and pigmentation over years. Air conditioning drops indoor humidity below 30% and pulls water out of the skin far faster. According to Jelena Rebić, a dermatological esthetician who spent years treating Dubai residents, air conditioning damages the skin barrier more quickly, while UV causes the more serious long-term structural damage.

What does air conditioning do to your skin?

It removes water from the upper layers of the skin and keeps removing it, because indoor air under constant AC is much drier than the air outside. The result is skin that feels tight and looks dehydrated underneath while producing more oil on the surface to compensate. Repeatedly moving between 45C outdoors and 20C indoors also stresses the blood vessels and weakens the barrier further.

Is DNA skincare available in the UAE?

Not widely, and the regulatory position matters. Federal Decree-Law No. 49 of 2023 governs all use of the human genome in the UAE, including free zones, requires informed consent, and requires analysis to be carried out in laboratories accredited or licensed by the Health Authority.

What is GENEA?

GENEA is a personalized DNA skincare concept founded by Jelena Rebić, a dermatological esthetician based in Bosnia and Herzegovina. It proposes combining a DNA swab with real-time local climate data to recommend active ingredients suited to extreme environments like the UAE. As of September 2026, it is not available for purchase. The company is raising seed investment, and the beta testing in the UAE is targeted for 6 to 9 months after funding closes.

SAND SKINCARE TALKS

From previous interviews:

Maria Galben, financial and tax consultant

Manel Laib, makeup artist

A series featuring real women, real routines, and real talk about skincare and haircare in the UAE.
Sand Skincare Talks is an ongoing series on routine11.com. Every episode features a real expat woman sharing her honest beauty journey in the UAE, no sponsorships, no sponsored mentions, no filters.
Contact us if you want to share your story.

Disclosure: We received no compensation for this article. This content is solely based on an open and personal interview with Jelena Rebić.