6. Perfume became less associated with health in 1810 with a Napoleonic ordinance which required
perfumers to declare the ingredients of all products for internal consumption. Unwilling to divulge their
secrets, traders concentrated on products for external use. Napoleon affected the industry in other ways too.
With French ports blockaded by the British during the Napoleonic wars, the London perfumers were able to
dominate the markets for some time.
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