Makeup looking perfect at 9am and patchy by noon isn’t a foundation problem — it’s a prep problem. Humidity increases oil production and keeps sweat sitting on skin longer. That combination breaks down the bond between makeup and skin from underneath, which is why your base can look fine at home and start separating within an hour outside. What actually helps: Cleanse thoroughly before any makeup Use a lightweight, gel-based moisturizer, not a heavy cream Wait 3-5 minutes before applying foundation Blot oil with paper instead of adding more powder More product isn’t the fix. A better base underneath is. Full breakdown on the blog: https://www.biz411.org/articles/why-makeup-doesnt-sit-well-in-humid-weather-and-how-to-actually-fix-it