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#3 in Vitamin C Serums
COSRX · Vitamin C Serums
Triple C Lightning Liquid
Cosrx vitamin c23 Dropper
58%
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143
Reddit mentions
#3
In Vitamin C Serums
58%
Positive
02 — Sentiment
How Reddit talks about it.
We classified all 143 mentions from the last 12 months. Community opinions are mixed.
-
PositiveRecommended, repurchased, loved58%83 mentions
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Neutral / mixedMentioned without strong opinion25%36 mentions
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NegativeComplaints, warnings, avoided17%24 mentions
03 — Voices
Top Reddit discussions.
The most upvoted Reddit posts mentioning this product. Click any to read the full thread.
All Reddit discussions (2 threads · 143 total mentions)
04 — Specs
The fine print.
What's in it, what it does, and what it costs per ml. No marketing fluff.
Texture
Yellow serum, light-medium weight
Best for
Normal / oily skin Budget Vitamin C Brightening + collagen
Avoid if
Dry sensitive skin (pH can be irritating)
Size / price
30 ml · ~$0.77 per ml
Buy source
Amazon
06 — FAQ
Frequently asked questions.
Common questions about COSRX Triple C Lightning Liquid, answered from Reddit data.
Based on 143 Reddit mentions, COSRX Triple C Lightning Liquid is generally recommended. 58% of mentions are positive, 25% neutral, and 17% negative. It ranks #3 in Vitamin C Serums by Reddit community sentiment.
Reddit communities discuss COSRX Triple C Lightning Liquid frequently — it has 143 mentions across r/SkincareAddiction, r/AsianBeauty and related subreddits. The community rates it 58% positive overall. It's ranked #3 among all vitamin c serums tracked on GlowRecs, making it one of the top picks in its category.
Reddit users most commonly praise COSRX Triple C Lightning Liquid for its brightening effect, stable Vitamin C formulation, and antioxidant protection. With 58% positive sentiment across 143 mentions, it consistently receives recommendations for active skincare routines.
The 17% of negative Reddit mentions for COSRX Triple C Lightning Liquid mainly reference: Vitamin C can oxidise if not stored correctly, and the active pH may cause sensitivity for some. Overall, the community still rates it 58% positive, making it a solid option in vitamin c serums.
COSRX Triple C Lightning Liquid is best suited for anyone targeting uneven skin tone, dullness, or early signs of ageing. Reddit communities specifically recommend it as a well-priced option. It ranks #3 in Vitamin C Serums — meaning it has more positive Reddit sentiment than the majority of products in its category.
COSRX Triple C Lightning Liquid ranks #3 out of the top vitamin c serums tracked on GlowRecs, based purely on Reddit community sentiment. With 58% positive mentions, it outperforms most products in the category. It has been mentioned 143 times across Reddit — a large sample that gives high confidence in this ranking.