Shereene IdrissBoard Certified Derm, Founder and Chief Nerd

YouTube Channel

30 Jan 2026 · 1 min

Watch on YouTube

0:35

A short clip (YouTube Short) featuring dermatologist Shereene Idriss giving advice about LED light therapy for melasma: she warns that red light LEDs can stimulate melanocytes and worsen skin (causing speckling soon after exposure) and recommends green light LEDs as a better—but hard-to-find—option. She invites viewers to ask follow-up questions in the comments.

Chapters

Last, let's talk about LEDs. Red light LEDs are not going to help you in the long run. A lot of LED devices, including red light devices, can trigger and stimulate your melanocytes and make your skin look worse. And I have had situations where 10 minutes after being under that red light, I come out and I look speckled and I look worse than before going in. And if you're looking towards LEDs, this is one that is really under the radar and underrated. Green light LEDs, it's extremely hard to find on the market, but if you have a good green light led, you'll be best served. If you guys have more questions, let me know below.