/r/HaircareScience/

r/HaircareScience

1.0M members
r/HaircareScience is a subreddit with 1.0M members. The most common kinds of discussions are advice requests, and the community frequently discusses hair, looking for a, shampoo, conditioner, and looking for, and they frequently recommend/review hairdryer, oils, and clarifying shampoo.
This subreddit aims to provide resources for achieving better hair quality through scientific research in trichology, physiology, chemistry, and biology

Popular Themes in r/HaircareScience

#1
Advice Requests
: "Is there actual evidence behind K18? Why are they charging $75 while other bond builders on the market are much less expensive?"
18 posts

Popular Topics in r/HaircareScience

#1

Hair

: "Do silk pillowcases actually help with Hair health?"
68 posts
#2

Looking For A

38 posts
#3

Shampoo

: "Does Shampoo for hair growth exist or is it just a marketing term?"
29 posts
#4

Conditioner

19 posts
#5

Looking For

16 posts
#6

Heat Protectant

: "Is there anything about k18 HeatBounce that makes it a better Heat Protectant?"
6 posts
#7

Struggling With

6 posts
#8

Struggling With Hair Care

5 posts
#9

Struggling With Hair Color

4 posts
#10

Struggling With Hair Type

4 posts

Products Discussed in r/HaircareScience

Hairdryer

31 reviews
#1
BaByliss
5.0 from 5 reviews
#2
T3
4.4 from 5 reviews
#3
Panasonic
4.7 from 3 reviews

Oils

19 reviews
#1
Coconut Oil
4.3 from 3 reviews
#2
Argan Oil
4.5 from 2 reviews
#3
Jojoba Oil
4.0 from 2 reviews
#1
Redken
4.5 from 2 reviews
#2
Ouai
4.0 from 1 review
#3
Suave
4.0 from 1 review

Flair Used in r/HaircareScience

#1
Question
: "Is it ACTUALLY bad to get hair wet everyday?"
49 posts
#2
Discussion
: "Leave-in conditioner ingredient"
10 posts
#3
Research Highlight
: "Compiled LLLT research for hair growth caps/helmets for androgenetic alopecia (pattern hair loss)"
2 posts
#4
Research Discussion
: "New free book: Science in Beauty"
1 post

Member Growth in r/HaircareScience

Yearly
+53k members(5.3%)

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About

GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.

This page gives a focused view of r/HaircareScience, including current member size, discussion patterns, product reviews, and related communities to explore.

This data is synced periodically so insights stay current and useful for ongoing research.

Last updated: June 2, 2026