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| | LLH is based on the know-how in fieldwork and expertise in personal care of its founder, Lysiane L'Honoré, who started conducting sniff tests back in 1974. |
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| | In 1981, capitalising on several years experience, she created her own team and set up a national network of interviewers, becoming known for her high quality fieldwork service. | |
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| 1991 marked a turning point for the company as this was when it was officially created, by Lysiane & Marc L'Honoré under the LLH name, and also when it took off internationally.
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| 2001 saw a new era when the institute was taken over and developed by Marc & Stephane L'Honoré. Based on expertise in personal care, acknowledged for its rigour and backed up by its clients, LLH, which at the beginning was a fieldwork company, then became a veritable research company.
Thanks to its strong desire for specialisation, | |
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| | LLH is the main player in the personal care arena. | |
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