"Leave a toothbrush at my place" is a phrase commonly used to indicate that someone wants their partner to stay over more often. It implies a level of intimacy and commitment in the relationship.
As for product details, positive and negative aspects, or ingredients and materials, there are no relevant search results to provide information on these topics. It is important to note that the phrase "leave a toothbrush at my place" is not referring to a specific toothbrush product, but rather a symbolic gesture in a romantic relationship.
