r/explainlikeimfive is a subreddit with 23.6M members. The community frequently discusses eli5, how, why, duck and cover, and cold, and they frequently recommend/review cleaning products, antiperspirant, and birth control options, and the most common flair used is other, biology, technology, chemistry, and physics.
Explain Like I'm Five is the best forum and archive on the internet for layperson-friendly explanations.
Don't Panic!
Popular Topics in r/explainlikeimfive
#1
Eli5
504 posts
#2
How
9 posts
#3
Why
7 posts
#4
Duck And Cover
6 posts
#5
Cold
5 posts
#6
Calories
5 posts
#7
Technology
4 posts
#8
Music
4 posts
#9
Ai
3 posts
#10
Semiconductor
3 posts
Products Discussed in r/explainlikeimfive
Cleaning Products
7 reviews
#1
Gain
2.0★ from 1 review
#2
7th Generation
4.0★ from 1 review
#3
Tide
4.0★ from 1 review
Antiperspirant
5 reviews
#1
Aluminum Free
3.0★ from 2 reviews
#2
Aluminum-free Deodorant
3.0★ from 1 review
#3
Aluminum-based Deodorant
2.0★ from 1 review
Birth Control Options
2 reviews
#1
Condoms
4.0★ from 1 review
#2
Vasalgel
4.0★ from 1 review
Flair Used in r/explainlikeimfive
#1
Other
: "ELI5: I get why and agree with everyone being mad about Sony discontinuing physical PlayStation discs, but why is that being used as an argument for PC?"
27 posts
#2
Biology
: "ELI5: How does "instinct" work at the molecular level?"
18 posts
#3
Technology
: "ELI5 how does wireless charging work?"
5 posts
#4
Chemistry
: "ELI5: how is mint cool?"
4 posts
#5
Physics
: "ELI5: why do double rainbows happen"
4 posts
#6
Engineering
: "ELI5: How can one website serve millions of people at the same time without slowing down?"
4 posts
#7
Economics
: "ELI5 : Hello I have a question about this Flow, how accurate is this ?"
3 posts
#8
Planetary Science
: "ELI5: My 6 years old asked me how earth and moon turn into spherical after moon was knocked out of it."
1 post
#9
Mathematics
: "ELI5How are random serieses able to give pi when there's no circle,there's limits there's i but no circle"
1 post
Member Growth in r/explainlikeimfive
Yearly
+345k members(1.5%)
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Last updated: July 6, 2026