Syncly Social Index
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Hair
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Gisou on video, September 2026
Gisou ranked fourth in hair on the Syncly Social Index in September with 60.0, ahead of Olaplex, Amika and Moroccanoil, which all had more videos. Much of its reach comes from makeup content: 'makeup' appeared in more Gisou videos than 'hair', and its lip products show up about as often as its hair oil. Almost none of its TikToks were paid.
Syncly Social Index score
A 0–100 score built from six short-form video signals, relative to brands in the same category.
Gisou scored 100 on organic sentiment, with 47% of non-sponsored sampled videos positive. High reach scored 88.9, as 5.5% of videos passed 100k views, second in the panel, and momentum scored 66.7 after a 33% rise in share from August. Untagged share (19.7%) scored 50.
Size held it back. Gisou had 6.8% of hair panel mentions (33.3), and its creator breadth also scored 33.3, with the top 10 creators, led by the official @gisou account, making 7.8% of videos.
Key numbers
change in share of category videos vs. the prior month
Most-viewed Gisou videos
The most-viewed videos mentioning the brand this month.
A month of Gisou videos
Videos per day. Highlighted days are the three biggest, with the top video from each.
What Gisou videos are about
Sep 15 (34 videos), the peak: a Sephora UK advent calendar breakdown described the Gisou Honey Milk Styling Cream (147K views, watch).
Sep 04 (28): the top video was a makeup GRWM that ends with the Honey Glaze lip mask (77K, watch).
Sep 06 (27): Gisou's own fall 'new beauty bag' post led the day (133K, watch).
Gisou appears mostly in GRWM and makeup content. 'Makeup' appeared in 142 videos against 119 for 'hair', and Rhode, Rare Beauty and Huda Beauty were among the most common co-occurring terms. Lip products (up to 202 videos) and the Honey Infused Hair Oil (about 200, up 32% in share from August) led. Hair perfume (87), Honey Gloss Ceramide Therapy (80) and the Honey Milk line (71) followed. On Sep 24 Gisou launched its Cherry Chocolate collection and announced matching pastries with chef Cédric Grolet (watch).
Most-mentioned products
| Product | Videos | Change |
|---|---|---|
Lip oil / lip tint / lip mask | 202 | |
Honey Infused Hair Oil | 200 | +32% |
Hair perfume | 87 | |
Honey Gloss Ceramide Therapy | 80 | |
Honey Milk styling cream / leave-in | 71 | |
Cherry Chocolate collection | 14 |
Top keywords
Top hashtags
Where and who
TikTok carried 57% of Gisou videos, Instagram Reels 35% and YouTube Shorts 8%. Only 7 of 341 TikToks (2.1%) carried a paid-partnership flag, and 3.9% of organic TikToks passed 100k views. The official @gisou account was the most active poster with 11 videos. Gisou has a larger UK share than most of the panel: 75 located videos from the UK against 154 from the US.
Platforms
Sponsored vs organic on TikTok
Most active creators
Where the videos come from
Untagged and sentiment
Untagged Gisou mentions are mostly product lists. A 446K-view Sephora haul prices the mini Honey Gloss Ceramide Therapy shampoo and conditioner in on-screen text only (watch), and a 417K-view routine recommends the honey-infused hair mask in speech (watch). No sampled video was negative.
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Brands mentioned alongside Gisou
Share of the brand’s videos that also mention each brand. These are the brands viewers see it compared with.
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.