It has become imperative for manufacturers to add scents to cleansers in order to grab consumers 'attention. Natural scents are expensive, however, so they substitute artificial ones for them.
為投消費者所好，在洗潔劑中添加香精成了必要的手續，又因天然香精太昂貴，業者多以人工香精來取代；又為了方便調配、結合各種不同的香料，並且讓香味持久，於是又在裡面加了「固香劑」。