Key takeaways
- Bio-stimulators and picosecond lasers have solid evidence behind them.
- Exosome products are heavily marketed, but their regulatory status and evidence are unsettled.
- A good treatment plan starts with a diagnosis, not a device.
Every year brings a new technology that promises to change how we treat skin. A few of them do. Many are old ideas with new packaging. Here is how we think about three of the most talked-about areas, and where we would put your money.
Bio-stimulators
Unlike a filler that adds volume right away, bio-stimulators such as poly-L-lactic acid and calcium hydroxylapatite prompt your own skin to produce collagen over weeks to months. Results are gradual and subtle, which is exactly why patients like them. They suit early laxity in the cheeks, jawline and neck.
- Best for: mild to moderate loss of firmness and volume.
- Timeline: improvement builds over two to three months, usually after a short series.
- Evidence: strong, with long-term safety data.
Picosecond lasers
Picosecond lasers deliver energy in trillionths of a second, breaking up pigment with less heat than older nanosecond devices. In practice that means fewer sessions and less downtime for sun spots and some tattoos. With a special lens they are also used for texture and fine lines.
The device matters less than who is holding it. Energy, wavelength and skin tone have to be matched every time.
Dr. Ethan Clarke
Exosomes: promising, but be careful
Exosomes are tiny vesicles released by cells, and they have attracted a lot of attention in skincare. The science is interesting, but human clinical evidence for cosmetic use is still limited, and in the United States the FDA has not approved exosome products for these purposes. We treat them as experimental and do not recommend paying premium prices for them yet.
How we decide what to recommend
We start with skin imaging and a conversation about what you want to change, then choose the least invasive treatment that can do it. Sometimes that is a device. Often it is a prescription cream and sunscreen.
This article is for general information and is not a substitute for medical advice. If you have a concern about your skin, book a consultation so a physician can examine it.
