Which baby hair care brands do AI assistants recommend in Japan? Q4 2026
In Japan, AI assistants most often recommend Pigeon, Mustela and Mama & Kids for baby hair care. Pigeon is named by 5 of 5 assistants.
What the data says
Pigeon is the baby hair care brand AI assistants recommend most in Japan, taking 34.3% of all recommendation points across 5 assistants. Mustela follows with 10.4% and Mama & Kids is third with 9.7%.
Pigeon's lead over Mustela is 23.9 points, a clear advantage in how AI shortlists the category.
Every assistant tested (ChatGPT, Claude, DeepSeek, Gemini and Grok) puts Pigeon first.
The top five brands hold 67% of recommendations out of 17 brands named in total, leaving room for challengers to break into AI shortlists.
| # | Brand | Owner | AI share | ChatGPT | Claude | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|---|
| 1 | Pigeon | Pigeon | 34.3% | 105 | 105 | 105 | 95 | 105 |
| 2 | Mustela | Laboratoires Expanscience | 10.4% | 36 | 60 | – | – | 60 |
| 3 | Mama & Kids | Natural Science | 9.7% | – | – | 60 | 85 | – |
| 4 | Johnson’s | Kenvue | 6.7% | – | 25 | – | – | 75 |
| 5 | Merries | Kao Corporation | 6.3% | – | – | 75 | 20 | – |
| 6 | Wakodo | Asahi Group | 5% | 75 | – | – | – | – |
| 7 | Johnson’s Baby | Kenvue | 4.9% | 24 | 50 | – | – | – |
| 8 | Arau | Saraya | 4.5% | – | 36 | – | 32 | – |
| 9 | Atopita | Tanpei Pharmaceutical | 4% | 60 | – | – | – | – |
| 10 | Aveeno | Kenvue | 2.7% | – | 24 | – | – | 16 |
| 11 | Minon | Daiichi Sankyo | 2.7% | – | – | – | 40 | – |
| 12 | Chicco | Artsana | 2.4% | – | – | – | – | 36 |
| 13 | Shiseido | Shiseido | 2.4% | – | – | 36 | – | – |
| 14 | Cow Brand | Cow Brand Soap Kyoshinsha | 2.1% | – | – | 24 | 8 | – |
| 15 | Bandai | Bandai Namco | 0.8% | – | – | – | 12 | – |
| 16 | Sebamed Baby | Sebapharma | 0.5% | – | – | – | – | 8 |
| 17 | Pax Baby | Amorepacific | 0.5% | – | – | – | 8 | – |
Questions about AI baby hair care recommendations
- Which baby hair care brand does ChatGPT recommend most in Japan?
- ChatGPT recommends Pigeon most often for baby hair care in Japan. Across all assistants, Pigeon leads with 34.3% of recommendations.
- Which baby hair care brand is improving fastest in Japan?
- Mama & Kids has the strongest momentum among challengers: AI names it first in 1 of 6 answers where it appears, while holding 9.7% share. This is the first Q4 2026 reading; change over time will be shown from the next update.
- How is the ranking calculated?
- We ask each AI assistant the questions shoppers ask in each category and market, record the top five brands it names, and give 35, 25, 20, 12 and 8 points for positions one to five. Share is a brand's points divided by all points awarded.
Baby Hair Care: AI rankings by country
Covers: Conditioner Products, Hair Care Combos, Shampoo Products.
Method: each AI assistant is asked the shopper questions for every segment in the category and market; the top five brands named score 35, 25, 20, 12 and 8 points. Share is a brand's points divided by all points awarded. Rankings reflect AI answers, not sales.
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