In-Cosmetics expo, Paris 2016.
The company has certified as halal 145 of its German-made ingredients destined for beauty and personal hygiene products.
But Givaudan's Ducruet said companies were having difficulty standardising the certification.
"The problem is a lack of recognition between the different certifying bodies. Some countries, like Indonesia, have made lists of approved halal certifiers, but it's hard to have a certification recognised in several countries," she said