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When I tried this product for the first time, the makeup artist put mineral powder over it. The effect was a matte, clean, 95% flawless finish. Though I wanted to see if it can survive on its own, independent of a loose powder.
Sans a makeup artist, I tried Maybelline Clear Smooth Minerals Liquid Foundation on a sunny day. The weather felt like hell but my face felt otherwise. The makeup feels light even in harsh locations, I was in an industrial shop on the side of a highway for 5 hours. It didn't slip off my skin and a gentle pat with facial tissue instantly resolves some oiliness.
I also observed how even when I wipe dust off my face, Clear Smooth Minerals liquid foundation stayed put. No traces of it left using a facial tissue. After my stint in a shop, I checked my face at home and I am impressed at how dependable this liquid foundation is. Never did I have to worry if my face was caking, cracking, or slipping off.
Now on whether it made my skin breakout, I discovered a blemish before going to bed but it quickly resided using my derma products :)
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Definitely 5 stars for this product!