Composition of Nettle Oil. Some of the major components found in nettle include thymol, carvacrol, cymene, anisole, terpene, phenylpropene derivatives and eucalyptol. 16 The leaves, which are commonly used to make nettle oil infusion, contain provitamin A, vitamins B1 and K, sistosterin and xanthophylls. 17 Benefits of Nettle Oil