Syncly Social Index
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Hair
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Kérastase on video, October 2026
Serums, scalp care and evening hair routines recur in Kérastase videos. Kérastase scores 68.9 on the Syncly Social Index, ranking #2 in the hair panel, unchanged 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 untagged exposure (100/100) and share of voice (77.8/100). Kérastase appears in 872 videos and accounts for 10.9% of this ten-brand panel’s volume. Its share of the tracked beauty video conversation is up 27.5% from September after normalizing each month’s collection.
The lowest component scores are sentiment (0/100) and momentum (66.7/100). 6.9% of matching videos reach 100,000 views; the top ten creators account for 5.3% of volume. Untagged exposure is 24.2% of the reviewed sample. Among 63 sampled videos not labeled sponsored, 8 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 Kérastase videos
The most-viewed videos mentioning the brand this month.
A month of Kérastase videos
Videos per day. Highlighted days are the three biggest, with the top video from each.
What Kérastase videos are about
Oct 8 (46 videos): Turkish Q&A pairing hair problems with products; recommends the Kérastase Résistance and Blond Absolu ranges. This is the day’s most-viewed matching post; it does not establish what caused the volume peak.
Oct 1 (41 videos): French study-day vlog; Kérastase Elixir Ultime oil appears on screen and in the caption's brand tags. This is the day’s most-viewed matching post; it does not establish what caused the volume peak.
Oct 9 (39 videos): 'Everything shower' routine that tags a Kérastase split-ends serum among a dozen brands. This is the day’s most-viewed matching post; it does not establish what caused the volume peak.
Common extracted terms include kérastase (472 videos), hair (372 videos), kerastase (310 videos). Paid German demo of the Genesis serum: fill the pipette, massage it into the roots each night against hair fall (6,200,000 views). This example illustrates one matching video. The most-mentioned products among those tracked are Genesis (125 videos, share up 36.3% from September); Gloss Absolu (Glaze Drops) (99 videos, share up 28.7% from September); Nutritive (incl. 8H Magic Night Serum) (69 videos, share up 41.7% from September). Product queries can overlap.
Most-mentioned products
| Product | Videos | Change |
|---|---|---|
Genesis | 125 | +36% |
Gloss Absolu (Glaze Drops) | 99 | +29% |
Nutritive (incl. 8H Magic Night Serum) | 69 | +42% |
Elixir Ultime | 58 | +83% |
Chronologiste | 44 | +60% |
Première | 19 | +145% |
Top keywords
Top hashtags
Where and who
TikTok 51.8% (452 videos), Instagram Reels 39.8% (347 videos), YouTube Shorts 8.4% (73 videos). Of 452 TikTok videos, 28 (6.2%) are labeled sponsored and 424 are not. The most active matched accounts are @hairshoppingcy (8 videos), @sofiahairhealth (8 videos). Among videos with a known creator location, US (227 videos), GB (85 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
24.2% 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 (596,500 views). Open a reviewed video with a video-derived brand mention (465,600 views). The non-sponsored sample contains 0 negative videos out of 63; it is a selected review sample, not a population estimate.
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Brands mentioned alongside Kérastase
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.