Microneedling Hair Before and After: How to Read Photos
Before and after photos are the first thing people search for and the least reliable evidence. This guide lists what changes a hair photo besides the treatment, and what better evidence looks like. It covers microneedling hair loss before and after photos too. We show none.
Why we show no photos
We have no photos of our own, and borrowing pictures from other sites or image banks would mean showing someone else's patients or staged results. When a partner clinic provides photos with the patient's written consent and the clinic's signed permission, we will say so here. Until then, this page works without images.
What changes a hair photo besides the treatment
- Light. Overhead light and shadows make hair look thicker or thinner.
- Angle and parting. A different parting moves hair over or away from a thin area.
- Hair length. Cut, grown out or shaved hair changes how much scalp shows.
- Wet or dry. Wet hair clumps and reveals scalp.
- Styling, dye and sprays. Color contrast, fibers and volume products change the look at once.
- Camera distance and lens. A closer shot changes how dense hair looks.
- Time and season. Months pass between photos, and other things change in that time.
- Other treatments. Most studies pair microneedling with a drug, so a good result may owe little to the needling.
- Selection. A gallery shows the cases someone chose to show.
What better evidence looks like
The 2013 randomized pilot gives one example of controlling for these things. The scalp was shaved so all hairs had equal length, hairs were counted in a 1 cm² patch marked with a tattoo at the start and at week 12, and blinded investigators scored global photos on a 7-point scale. Even that study was a small pilot, so its numbers need more testing.
The 2023 meta-analysis notes that rating scales, methods and treated areas vary across trials, which is another reason a single photo pair says little.
A checklist for any gallery
- Is it the same person, in the same light, with the same parting and hair length?
- Did the patient give written consent?
- How many months passed, and what else did they use?
- How many patients were treated, and how many appear?
- Does the clinic claim a result it cannot support with a study?
For what the studies measured, see microneedling hair growth.
Common questions
Do before and after photos prove microneedling works?
No. A photo pair is one person at two moments, and many things changed between them. Studies that count hairs in a marked patch, with blinded evaluators, come closer to a test.
Why does Microneedling Hair show no photos?
We have no photos of our own. Pictures from other sites or image banks would be someone else's patients or staged scenes. We will only use photos from a partner clinic, with written patient consent on file. Until then, this page works without pictures.
What should I ask a clinic about its photo gallery?
Ask whether each pair is a real patient who gave written consent, how many months passed, what else was done in the same period, and how many patients were left out of the gallery.
Sources
- 2013 randomized pilot study, PubMed. 100 men with early to moderate pattern hair loss, 12 weeks. Weekly microneedling plus a drug lotion compared with the lotion alone. PMID 23960389.
- 2023 meta-analysis, PubMed. Ten randomized trials reviewed (466 patients), eight pooled. PMID 37665358.
Want to talk to a clinic?
Hair loss has many causes. If you want a clinic opinion, you can join the waitlist for a verified clinic near you.