Uses of Myrrh Oil. Both myrrh resin and myrrh oil have a long history of medicinal use, valued for their wound-healing properties. Egyptians used myrrh to treat hay fever and heal herpes. Myrrh oil has also been used as incense and a holy oil in religious rituals and ceremonies for over 5,000 years.Maintaining healthy skin is one of myrrh oil's renowned uses, as it prevents the signs of aging and soothes cracked or chapped skin. This is why it's commonly added to many skin care products today.ses of Myrrh Oil. Both myrrh resin and myrrh oil have a long history of medicinal use, valued for their wound-healing properties. Egyptians used myrrh to treat hay fever and heal herpes. Myrrh oil has also been used as incense and a holy oil in religious rituals and ceremonies for over 5,000 years.