Warm weather can make a carefully applied makeup look feel heavy, shiny, or uneven within a few hours. Heat, humidity, perspiration, and sunscreen can all affect how products sit on the skin, especially when several rich layers are applied at once. Heatproof makeup is not about making every product completely resistant to sweat. It is about choosing lightweight formulas, applying thin layers, and preparing for simple touch-ups. With a few adjustments, you can create a fresh look that remains comfortable through commutes, outdoor plans, and warm evenings. Start With Lightweight Skin Preparation Makeup usually lasts better when the skincare underneath has had time to settle. Begin with a gentle cleanse…