Best rank
#1 in Beauty & Personal Care — its strongest category.
What the AIs say
#1 best · 4 of 4 agree“Claude ranks Kérastase highest (avg #4.5 over 6 mentions); perplexity is the most sceptical (#8.8).”
synthesised · the AI panel
What the press says
Positive · 8 stories · 30d“Kérastase receives overwhelmingly positive coverage centered on celebrity endorsements and product efficacy for hair health, with no critical coverage detected.”
synthesised · 8 articles via Google News · instyle.com, Page Six +6
The brief
The brand in a paragraph.
Kérastase was founded in 1964 in France by L'Oréal and hairdresser Eugène Schueller. They make professional hair care products. Bain Oléo-Relax, their signature shampoo, established the brand as a luxury treatment line. The company pioneered premium conditioning formulas for salon use. Today Kérastase operates in over one hundred countries. It dominates the professional haircare market globally. The brand ranks first among twenty-one thousand tracked beauty brands. Stylists and consumers trust Kérastase for intensive repair and maintenance products.
Act one
What the machines think.
Three AI models read the whole category and rank Kérastase's products — model by model, list by list, over time.
Model by model?
How each AI sees it.
Claude ranks Kérastase highest (avg #4.5 over 6 mentions); perplexity is the most sceptical (#8.8).
Claude
#4.5
avg over 6 mentions · best #3
Gemini
#5.2
avg over 5 mentions · best #2
ChatGPT
#6.0
avg over 9 mentions · best #1
perplexity
#8.8
avg over 8 mentions · best #2
Wins & misses?
Where it leads, where it lags.
Kérastase lands 6 top-10 placements (including 1 #1) with no clear weak spots in tracked intents.
Top wins
Where it lags
No misses below #20 — Kérastase is a top-tier presence everywhere it appears.
Rank trajectory?
Weeks of movement.
Across 6 weeks of tracking: 3 intents steady, 3 climbed, 0 slipped. Biggest move: climbed 11 ranks in Best Anti-Dandruff Shampoos (now #9).
Act two · ★ new
What the people say.
The same lineup, judged by the owners who bought and filmed it — and the press that covers them.
Video reviews?
What reviewers say about the brand.
What Kérastase Product should I use? | Ultimate Guide to Kerastase | Kerastase review
Adore Beauty
Kérastase hair care...is it WORTH IT? Let's LOOK at the formulas...
The World Of Craig
Overnight Hair Serums: Worth It or Just Hype?
Tori Hunter
Honest Truth About Kérastase
Bee
L’Oréal vs Kérastase…Which One Is Actually Better? | Healthy Hair Wash Routine [English] #kérastase
Beauty Talk (Conversaciones de Belleza)
In the press?
What the world is saying.
What’s being written about Kérastase lately — and the mood of it. 8 pieces in the last 30 days, coverage skews positive.
Iinstyle.com
PPage Six
WWho What Wear
VVogue Adria
Iinstyle.com
TtheSkimmtheSkimm·Positive
I Used the Same Hair Oil as Meghan Markle, and My Hair Ha...
PPeople.comThe Jerusalem Post·Positive
The new serum that strengthens hair from the rootas of June 17 · 8 stories?
Act three · ★ new
Do they agree?
Put the two verdicts side by side — every product with its AI rank and its reviewer score — and see where the machines and the buyers line up, and where they don't.
The lineup, reconciled?
Every product — both verdicts.
Nutritive Masquintense Riche Hair Mask is Kérastase's most-recommended product, ranking across 2 buyer questions, with Nutritive Bain Magistral Shampoo close behind.
Traits?
The words the panel uses.
AI most often praises Kérastase for being "luxury" (13 mentions) and "dry hair" (6).
- luxury13
- dry hair6
- shine4
- strengthening4
- smoothing4
- nourishment3
- nourishing2
- piroctone olamine2
- intense moisture2
- blonde hair2
- anti-dandruff2
- lightweight2
Rivals?
Who it competes against.
Kérastase's closest rival is Ouai — and Kérastase comes out ahead in 6 of 6 of the questions they both answer (100%).
- Ouai
Beauty & Personal Care
Kérastase leads 6–0
Across 6 shared questions
- Living Proof
Beauty & Personal Care
Kérastase leads 6–0
Across 6 shared questions
- Aveda
Beauty & Personal Care
Kérastase leads 6–0
Across 6 shared questions
- Redken
Beauty & Personal Care
Kérastase leads 5–1
Across 6 shared questions
- Briogeo
Beauty & Personal Care
Kérastase leads 4–2
Across 6 shared questions
- L'Oréal Paris
Beauty & Personal Care
Kérastase leads 5–0
Across 5 shared questions
- Bumble and Bumble
Beauty & Personal Care
Kérastase leads 5–0
Across 5 shared questions
The recap
Where it stands today.
- FootprintStrongest in Beauty & Personal Care (best #1), across 6 buying intents.
- AI verdictClaude ranks Kérastase highest (avg #4.5); perplexity most sceptical (#8.8).
- TraitsMost often associated with “luxury” (13 mentions) and “dry hair” (6).
- Top productNutritive Masquintense Riche Hair Mask is the most-mentioned Kérastase product this snapshot.
- Closest rivalOuai (6–0 across 6 shared intents).
browse Kérastase in these categories