A guide you can check.
Nota Cutis helps you understand skincare devices without having to learn all the jargon.
How we work
We separate what a brand says from what a study found. If a number is missing, we leave it missing. More LEDs, more power or a longer session do not automatically mean better results.
Our first complete section is red light. It brings together five device records, all 10 pairwise comparisons and 15 research summaries. Our hair section covers five caps and helmets. Our hyaluronic acid section compares five premium serums and explains five ingredient and formula studies.
Where the details come from
Manufacturer product pages, device documents, official records and published research. Each specification keeps its source and check date.
How we present devices
Device lists are alphabetical. We do not assign clinical superiority or claim independent testing.
Information and its limits
This publication does not provide personal medical advice. Read the original research and each device’s own instructions, and discuss suitability with a qualified clinician.