Beauty

Teodora Popa On What's Really Behind The Skin Rejuvenation Hype

A 14-year aesthetics insider names the rejuvenation treatments practitioners quietly regret pushing, and the ones they actually trust.

Written by Kara Markley

Skin rejuvenation has become a particularly predominant aspect of the beauty industry, fueled by social feeds, before-and-afters, and a cultural fixation on looking preserved rather than aging naturally. The marketing has gotten more sophisticated. The treatments behind it, according to people who actually run the clinics, haven’t always kept up.

Teodora Popa has seen this firsthand. As an aesthetics professional with 14 years inside the industry, she believes most of the issues consumers face these days trace back to economics rather than science, and she’s watched what's trending and what actually works quietly drift apart. That conviction is what led her to co-found Thea, an AI consultation platform designed to give consumers unbiased treatment guidance and avoid the potential financial incentives behind a doctor’s recommendation.

Through it, Teodora seeks to bring some clarity to a category most people only ever hear about from someone trying to sell them something.

A Trend Cycle Dressed Up As A Treatment Category

The same skin rejuvenation treatment can be branded a dozen different ways across clinics, leaving consumers chasing trending names rather than evidence-backed protocols. The pressure to "do something" is increasingly hitting clients in their twenties, with low-dose neuromodulator treatments being sold to people whose skin has no clinical need for them.

The economics behind the noise are hard to overstate. The global medical spa market was valued at roughly $21 billion just two years ago, projected to nearly quadruple by 2033, with facial treatments accounting for the largest revenue share and the U.S. in particular leading global growth.

Teodora has watched this happen in real-time. She first got her foot in the industry at 14, translating medical-device manuals eventually helping run a European med spa chain. "It's amazing to see how the industry shifted from just beauty, which is what it was in the beginning (lip fillers and a lot of aesthetics) to something more medical and connected to actual health,” she says.

Most of the noise around rejuvenation traces to a single economic reality: clinics need to fill expensive machines, and trending treatments fill them fastest. The U.S. market is particularly noisy compared to Europe, with more brand monopolization, higher ticket prices, and louder claims attached to each new launch, a contrast Teodora saw firsthand after relocating from her European chain to partner with a specialty permanent makeup studio based in the San Francisco Bay Area. There, she saw how the cultural shift toward longevity has reframed rejuvenation as health rather than vanity, but the treatments being sold have not always kept up with that reframing.

The result, as she sees it, is an industry where what's trending and what's effective have quietly drifted apart.

Thea: A Platform Built For The Skeptics The Industry Created

Thea is the AI consultation platform Teodora founded for the rising wave of consumers who no longer trust the rejuvenation industry to recommend what's actually right for them, positioning itself as an accessible alternative to expensive consultations that often end with an upsell. According to the company, Thea has no inventory to push and no financial incentive to recommend one treatment over another, and uses that framework to mix and match across multiple clinics in a user's area to suggest a tailored rejuvenation plan suited to the user's needs.

The platform was trained on Teodora's many years of case studies, drawing on clinical knowledge and input she accumulated over her career. For rejuvenation specifically, Thea is built to flag treatments that don't fit a user's skin or age, including the trending procedures Teodora wouldn't recommend to her own clients.

The tool factors in whole-body context like stress, lifestyle, and skin history instead of treating rejuvenation as a purely surface-level concern, which is where most clinic consultations fall short. Skin shifts roughly every three months, and Thea is designed to function as an ongoing companion for those check-ins rather than a one-time consultation.

"It is just going to look at what opportunities are around that person and push those treatment plans forward, kind of by mix-and-matching everything," Teodora says. The platform seeks to act as a complement to, not a replacement for, board-certified dermatologists, and is built to escalate users to specialists when their case calls for one.

The Treatments Some Practitioners Have Stepped Back From, And What They’re Trusting Now Instead

Teodora points out threads were marketed as a non-surgical alternative to a face lift and have aged into a treatment she and many practitioners she knows have grown more cautious about over time, citing concerns that have surfaced in the years since their launch.

Hyaluronic-acid fillers are often described as dissolving within months, though Teodora notes that timeline doesn't always match what she's seen in practice, a view that recent MRI research lends some support to, with imaging studies finding HA fillers still present in the mid-face more than two years after injection. For clients in their twenties, where early and repeated use of injectables may contribute to tolerance over time, Teodora would much rather steer that age group toward prevention and long-term skin health, with options like lasers, regenerative treatments such as stem cells and PDRN, or minimally invasive chemical peels.

She also points out the industry is often inclined to adopt new treatments before long-term data is fully established, because clinics that have invested in a technology cannot afford to walk away from it once concerns emerge. Once a clinic has paid to train its surgeons or aestheticians on a specific treatment, the decision to retire it can involve financial considerations alongside clinical ones.

The rejuvenation playbook insiders actually trust looks the opposite of what trends: restraint, consistency, and treatments that have been on the market long enough to age well. "The treatments that promise the fastest results aren't necessarily the ones that hold up," Teodora explains. Whole-body health visibly affects outcomes too; she has observed that clients dealing with elevated stress levels or other whole-body factors can see less consistent results, regardless of the treatment they choose, which is part of why the same procedure can produce potentially different outcomes from one client to the next.

It's also why Teodora considers herself fortunate to have come up inside a chain large enough to invest in multiple machines, test treatments over time, and only roll them out to clients after consistent evaluation. Smaller offices rarely have that runway. Once a single location has invested in a device, there's often pressure to continue offering that treatment until the investment is recouped.

That structural pressure is one of the reasons Thea was built the way it was: to create treatment plans based on what a given client needs and not on what a particular clinic needs to sell.

Teodora Popa’s View On What Would Actually Move The Industry Forward

Looking to the future, Teodora believes the biggest opportunity in rejuvenation is the ongoing pivot from beauty toward longevity and whole-body health, a shift she’s seen grow since moving to the Bay Area, where clients increasingly approach treatments as part of a broader wellness practice. The biggest threat is the high capital required to run a clinic, which keeps the industry locked into the same expensive-machine, push-the-inventory cycle that produces most of the bad recommendations consumers experience.

One emerging fix is collaborative clinic models, where neighboring locations buy different machines and refer clients to each other rather than each trying to own the entire treatment menu. Better practitioner education is another lever. Teodora trains operators to understand pigments, skin biology, and treatment chemistry rather than just machine operation, which she believes would meaningfully reduce the bad outcomes she sees daily in the U.S. market.

Long-term, Thea is designed to evolve into a B2B layer for the industry as well, helping med spas train internal staff to make better recommendations and helping limit the unintended outcomes some clients experience.

The rejuvenation industry's noise problem is solvable, but only if practitioners, founders, and consumers all start treating skin treatments as medical decisions rather than aesthetic purchases. Until that shift happens, unbiased tools, better-trained practitioners, and more honest conversations about what doesn't work are the closest thing the industry has to a course correction.

The next phase of rejuvenation will be defined less by which machine is trending and more by which clinics are willing to be transparent about what they're actually selling, and through Thea, Teodora Popa is seeking to offer an example of how the industry can move forward: "I want to use all of these years of knowledge to bring more clarity into such a loud, highly branded, and confusing industry."This article is for informational purposes only and does not substitute for professional medical advice. If you are seeking medical advice, diagnosis or treatment, please consult a medical professional or healthcare provider.

BDG Media newsroom and editorial staff were not involved in the creation of this content.