Syncly Social Index
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Skincare
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COSRX on video, October 2026
COSRX’s conversation extends beyond snail mucin into peptide, bakuchiol and PDRN products. COSRX scores 40.3 on the Syncly Social Index, ranking #8 in the skincare panel, up 1 places from September. This report covers October 1 through 31, 2026.
Syncly Social Index score
A 0–100 score built from six short-form video signals, relative to brands in the same category.
The strongest component scores are share of voice (55.6/100) and creator breadth (55.6/100). COSRX appears in 2,703 videos and accounts for 7% of this ten-brand panel’s volume. Its share of the tracked beauty video conversation is up 4.3% from September after normalizing each month’s collection.
The lowest component scores are momentum (11.1/100) and high reach (11.1/100). 2.7% of matching videos reach 100,000 views; the top ten creators account for 4% of volume. Untagged exposure is 13.6% of the reviewed sample. Among 51 sampled videos not labeled sponsored, 12 are positive and 0 negative. Component scores are relative to the category panel.
Key numbers
change in share of category videos vs. the prior month
Most-viewed COSRX videos
The most-viewed videos mentioning the brand this month.
A month of COSRX videos
Videos per day. Highlighted days are the three biggest, with the top video from each.
What COSRX videos are about
Oct 1 (176 videos): Discusses how long to leave different skincare masks on. This is the day’s most-viewed matching post; it does not establish what caused the volume peak.
Oct 2 (123 videos): Demonstrates COSRX 5 PDRN products in a glow-focused routine. This is the day’s most-viewed matching post; it does not establish what caused the volume peak.
Oct 28 (110 videos): Shows COSRX Blue Peptide Bakuchiol Plump Glow Serum. This is the day’s most-viewed matching post; it does not establish what caused the volume peak.
Common extracted terms include cosrx (2,532 videos), skincare (1,356 videos), skin (775 videos). Introduces a COSRX duo through an early anti-aging routine (2,542,214 views). This example illustrates a matched video and does not explain the whole conversation. The most-mentioned products among those tracked are Blue Copper Peptide + Bakuchiol line (501 videos, share up 22% from September); Advanced Snail 96 Mucin Power Essence (472 videos, share up 22.8% from September); Peptide Collagen line (181 videos, share down 15% from September). Product queries can overlap.
Most-mentioned products
| Product | Videos | Change |
|---|---|---|
Blue Copper Peptide + Bakuchiol line | 501 | +22% |
Advanced Snail 96 Mucin Power Essence | 472 | +23% |
Peptide Collagen line | 181 | −15% |
Advanced Snail 92 All in One Cream | 174 | +28% |
PDRN Exosome / 5 PDRN line | 117 | +5.6% |
5 Peptide Collagen Lip Fill Tinted Treatment | 52 | +5.3% |
Top keywords
Top hashtags
Where and who
TikTok 42.9% (1,160 videos), Instagram Reels 42.9% (1,160 videos), YouTube Shorts 14.2% (383 videos). Of 1,160 TikTok videos, 647 (55.8%) are labeled sponsored and 513 are not. The most active matched accounts are @cosrx.usa (16 videos), @cosrx_id (14 videos). Among videos with a known creator location, US (739 videos), GB (151 videos) lead. Location does not identify the audience.
Platforms
Sponsored vs organic on TikTok
Most active creators
Where the videos come from
Untagged and sentiment
13.6% of sampled videos contain the brand in video-derived text without naming it in the caption, title or hashtags. Open a reviewed video with a video-derived brand mention (1,465,677 views). Open a reviewed video with a video-derived brand mention (327,200 views). The non-sponsored sample contains 0 negative videos out of 51; it is a selected review sample, not a population estimate.
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Brands mentioned alongside COSRX
Share of the brand’s videos that also mention each brand. These are the brands viewers see it compared with.
Compare with competitors
Frequently asked questions
The Syncly Social Index scores brands from 0 to 100 using short-form video on TikTok, Instagram Reels and YouTube Shorts. It combines six signals: video share of voice (25%), untagged mentions (20%), momentum (15%), sentiment (15%), high-reach videos (15%) and creator breadth (10%). Each signal is scored relative to the other brands in the same category for the month. Sentiment and untagged figures come from a sample of videos; any claim about a specific video links to that video.