Weed, insect, and disease control may also be required for pastures. A healthy, productive pasture will resist invasion from most poisonous weeds and provide good quality forage. When pastures are overgrazed, horses will eat the grass and legume species down to the soil, which allows weeds to take over.
These include: 1  Daily sunscreen use. 2  Since sunlight is one of the biggest triggers for melasma, daily sunscreen use is non-negotiable to keep it at bay. 3  Choose a sunscreen with broad-spectrum protection with an SPF of 30 or higher. 4  Outdoor hats. 5  Broad-brimmed hats help keep rays off vulnerable parts of the face.
Causes and Symptoms of Melasma. Melasma shows up in the form of brown spots or patches on the cheeks, forehead, upper lip and nose. It is most common in women during their productive years and it tends to with olive skin that tans easily. My friend fits this risk factor because she always looks tan, even in winter.