r/HaircareScience

Community Overview

About r/HaircareScience

This subreddit aims to provide resources for achieving better hair quality through scientific research in trichology, physiology, chemistry, and biology

The community at a glance

r/HaircareScience is a Subreddit for Beauty with roughly 1.1M members. It has been around since 2013. It uses a forum format for communication. On the Hive Index it ranks #9 in the Beauty communities list.

Roughly 54K members have joined in the past year. Popular discussion topics include Hair, Looking For A, and Shampoo. Product recommendations often mention shampoo and conditioner.

On Reddit
Established 2013
1.1M Members

Community Features

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +54K members
Growth: +5.3% / year

Member growth over time

All time (yearly)

  • 2014: 10K members
  • 2015: 7K members
  • 2016: 5K members
  • 2017: 12K members
  • 2021: 259K members
  • 2023: 584K members
  • 2024: 83K members
  • 2025: 53K members
  • 2026: 40K members

Past year (monthly)

  • Nov: 5K members
  • Dec: 6K members
  • Jan: 7K members
  • Feb: 5K members
  • Mar: 4K members
  • Apr: 5K members
  • May: 5K members
  • Jun: 6K members
  • Jul: 3K members
  • Aug: 3K members
  • Sep: 3K members
  • Oct: 128 members

Topics

  • Hair
    44 posts in the past month
    #1
    Hair
    44
  • Looking For A
    37 posts in the past month
    #2
    Looking For A
    37
  • Shampoo
    26 posts in the past month
    #3
    Shampoo
    26
  • Conditioner
    18 posts in the past month
    #4
    Conditioner
    18
  • Looking For
    16 posts in the past month
    #5
    Looking For
    16

Flair

  • Question
    8 posts in the past month
    1. Scientific difference between leave-in conditioner vs rinse-out conditioner
    2. Does prewetting your hair prevent soaking in more water?
    3. Are there any scientifically backed methods or ingredients proven to increase individual hair strand diameter/thickness over time?
    #1
    Question
    Scientific difference between leave-in conditioner vs rinse-out conditioner · Does prewetting your hair prevent soaking in more water? · Are there any scientifically backed methods or ingredients proven to increase individual hair strand diameter/thickness over time?
    8

Product recommendations

  • shampoo
    31 posts in the past month
    1. Best shampoo/ conditioner for fine, dry, damaged, frizzy color treated hair
    2. What is the best shampoo for dry scalp
    3. what shampoo and conditioner would you recommend with someone who has dandruff, I currently use tgel but it makes my hair so dry and makes it feel itchy aswelll.
    #1
    shampoo
    Best shampoo/ conditioner for fine, dry, damaged, frizzy color treated hair · What is the best shampoo for dry scalp · what shampoo and conditioner would you recommend with someone who has dandruff, I currently use tgel but it makes my hair so dry and makes it feel itchy aswelll.
    31
  • conditioner
    10 posts in the past month
    1. Best shampoo/ conditioner for fine, dry, damaged, frizzy color treated hair
    2. what shampoo and conditioner would you recommend with someone who has dandruff, I currently use tgel but it makes my hair so dry and makes it feel itchy aswelll.
    3. Recommend Shampoo/hair products
    #2
    conditioner
    Best shampoo/ conditioner for fine, dry, damaged, frizzy color treated hair · what shampoo and conditioner would you recommend with someone who has dandruff, I currently use tgel but it makes my hair so dry and makes it feel itchy aswelll. · Recommend Shampoo/hair products
    10

Frequently asked questions

Who is r/HaircareScience for?
Best for Beauty enthusiasts looking for a Reddit-based community with forum discussion.
Is r/HaircareScience free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/HaircareScience have?
Roughly 1.1M members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/HaircareScience on?
r/HaircareScience runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/HaircareScience cover?
On the Hive Index, r/HaircareScience is organized under Beauty.
How do I join r/HaircareScience?
You can join r/HaircareScience by clicking this link, or pressing the "Go to community" button above.
What are the Beauty communities like?
Communities for beauty enthusiasts covering skincare, makeup, fashion, and trends. Dedicated forums serve long-form discussion and product recommendations, while Facebook groups and smaller online spaces cater to more specific interests in beauty culture and style.