If you have looked at my post listing the number of products I use daily, you would have noticed a lot of my face products are Clinique and a lot of my makeup products are MAC.
I am a one-product girl. I tend to choose a product and use everything I need from that product. Therefore all of my face products are Clinique with the exception of the serum which is by Aveda. I love this serum. I have used a number of low-cost products on the market such as Neutrogena and Clean & Clear. However although Clinique is initially more costly, it last much longer and therefore turns out to be cheaper in the long run.
All of my makeup is MAC with the exception of the face powder which is Clinique and the eyeliners which are Bonne Bell. I use the Bonne Bell eyeliners because they are silky and soft, there are numerous colours and did I mention they are cheap. My addiction to MAC started with one compact, the Studio Fix. From there I added a lipstick, then the chestnut lip liner and another lipstick. My list continued to grow from there. Now I am almost all MAC. MAC is also a bit pricey but the quality is great.