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, clarifying shampoo, and shampoo bars.
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?"
20 posts
Popular Topics in r/HaircareScience
#1
Hair
: "Is there a scientific reason why my Hair feels healthier when I consistently heat style?"
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
Clarifying Shampoo
13 reviews
#1
Redken
4.5★ from 2 reviews
#2
Ouai
4.0★ from 1 review
#3
Suave
4.0★ from 1 review
Shampoo Bars
12 reviews
#1
Ethique
4.8★ from 4 reviews
#2
Lush
4.5★ from 2 reviews
#3
Plaine
3.0★ from 1 review
Flair Used in r/HaircareScience
#1
Question
: "What’s scientifically the safest method for getting hair out of the face"
68 posts
#2
Discussion
: "A note from the mods: updated rules, wiki, and what's coming"
12 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
+55k members(5.5%)
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About
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This page gives a focused view of r/HaircareScience, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: June 23, 2026