Use of this product is very simple, a few directly into the drum and voila! When lon empty it this is a fresh scent, air and pleasant that emerges sen, pleasantly fragrant home. Combined with liquid ladoucissant the same brand this is a great freshness that lasts several weeks and especially every time you open a closet pleasant scent sen dégage.De more when clothes are worn this coolness seems sintensifié.Le only negative would be that the dry -Linen is contraindicated because it decreases the scent of ladoucissant.