r/HaircareScience↗
Scientifically-supported information about haircare
This subreddit aims to provide resources for achieving better hair quality through scientific research in trichology, physiology, chemistry, and biology
1.1M subscribers120 posts / mo in Sep 2026107 authors / mosince 2013
r/HaircareScience has 1.1M members (+5.2% over the last 12 months). It gets about 120 posts a month from 107 people. Top topics: Scalp Issues, Hair Loss and Thinning and Bleached and Damaged Hair.
When to post on r/HaircareScience
You've used today's free reports
Visitors without an account can open 3 subreddit reports a day. The best time to post on r/HaircareScience, removal risk and the rest of the report are one step away.
How r/HaircareScience has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/HaircareScience
Top topics
Share of the subreddit's posts
- Scalp Issues3.9%
- Hair Loss and Thinning2.8%
- Bleached and Damaged Hair2.6%
- Shampoos and Conditioners2.5%
- Frizz Management1.9%
Brands people mention
Most-mentioned brands and sites, last 12 months
- The Beauty Brains
- Wiley
- ScienceDirect
- Springer
- MDPI
Everything else about r/HaircareScience
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research