Dispatch · December 28, 2025 · 9 min · By Noor El-Amin
Anti-aging in LA: what actually works
An evidence-graded tour of the anti-aging menu, from the two interventions with decades of data behind them to the expensive add-ons that mostly buy hope.
Los Angeles offers the longest anti-aging menu on earth and almost no help ranking it. So here is the ranking, graded the way the evidence actually stacks, from interventions with decades of randomized data to the ones running mostly on ambience. The organizing principle is unglamorous: the further down the menu you go, the more the results depend on who is holding the device, and the less the science can promise in advance.
Tier one: photoprotection. Ultraviolet exposure drives the majority of visible facial aging, which makes daily broad-spectrum sunscreen the single most effective anti-aging agent available at any price. The American Academy of Dermatology's guidance is unambiguous, and studies of daily-use sunscreen show measurably slower photoaging versus discretionary use. In this climate the habit matters more than the brand, a point we detailed in our Southern California SPF routine. Everything else on this list is rearranging deck furniture if the UV faucet stays open.
Tier one, continued: topical retinoids. Prescription retinoids may help reduce the appearance of fine lines, roughness, and mottled pigment, and unlike nearly everything else in skincare they show structural change, including new collagen, on biopsy. They are also cheap. The gap between drugstore retinol and prescription tretinoin, and how to start without burning your face off, gets its own treatment in our retinoid reality check. A retinoid at night and sunscreen every morning outperforms most four-figure procedures over a decade, which is why no one advertises it.
Tier two: neuromodulators. Botulinum toxin reliably softens the dynamic lines it targets, with a safety record spanning decades and results that are temporary by design. Its limits are equally clear: it does nothing for skin quality, pigment, or volume loss, and overuse produces the flat affect the current aesthetic has turned against. Used sparingly on the right lines, it earns its tier.
Tier three: volume and biostimulation. Hyaluronic acid fillers may help restore specific structural deficits, a hollow temple, a deflated midface, with immediate and reversible results in skilled hands. Biostimulators such as PLLA and CaHA build gradual skin thickness over months. Both are strongly technique-dependent, which is the polite way of saying the injector matters more than the vial. The mechanisms, trade-offs, and nodule risk are laid out in our fillers versus biostimulators explainer.
Tier three, continued: energy devices. Resurfacing lasers may help with texture, etched lines, and photodamage, with effect sizes that scale with downtime, from the modest gains of no-downtime treatments to the dramatic changes of ablative resurfacing. Radiofrequency and ultrasound tightening occupy the honest middle: real but usually subtle lifting, oversold when marketed as a facelift alternative. Sorting the acronyms is its own project, which is why we published a field guide to the laser menu.
Tier four: the promising but unproven. Polynucleotide injections, exosome topicals, PRP facials, LED panels, and supplement stacks live here. Some have plausible mechanisms and encouraging small studies; none has the kind of controlled, replicated evidence that tiers one through three stand on. The honest framing for this tier is that patients are funding early-stage research at retail prices. That can be a reasonable choice for someone who has already maximized the proven tiers. It is a poor substitute for them.
Tier five: ambience. Crystal facials, face yoga marketed as a lift, detox regimens for skin, and most things sold primarily through hotel spas. Pleasant, occasionally relaxing, dermatologically inert.
How the tiers should be read. Not as a shopping list to complete, but as an order of operations. The pattern among dermatologists' own regimens is remarkably consistent and remarkably cheap at the base: sunscreen, a retinoid, sometimes conservative tox, with procedures layered selectively on top of that foundation. The inverse pattern, expensive procedures atop no daily routine and casual sun habits, is how this market extracts the most money for the least durable result. Age management in Los Angeles is won at the level of boring daily behavior, and the menu above should be climbed slowly, with the strongest evidence funded first.
Related reading: The retinoid reality check.