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.
Treating Melasma with Non-Prescription Home Treatment. 1  1. Protect your skin from the sun. Apply broad spectrum sunscreen and take other measures to protect your skin from the sun. 2  2. Calm down. Stress can worsen hormonal imbalances, and if a hormonal imbalance is the cause of your melasma, finding ways to stress less can help treat your melasma.