Yarrow essential oil has terpenes that can help kill bacteria when applied to a cut. It also contains some antiseptic properties that helps keep cuts free of infection. It can reduce inflammation and is helpful in soothing skin irritations such as redness, rashes, burns and itchy skin. This salve is useful to relieve irritations from scrapes, cuts, burns and rashes. Clean the affected area before applying a generous amount (and reapply as needed). If needed wrap with gauze or apply a bandage. Continue to use until affected area is healed.