This blend of essential oils (lemongrass, peppermint, geranium, lemon eucalyptus, citronella, rosemary and cedarwood) is effective against mosquitoes, ticks, fleas, gnats, and other flying insects without the use of harmful chemicals or preservatives. Has a light pleasant smell. Please re-apply every 3-4 hours. Shake well. Please note, due to supply chain issues, other 4 oz bottles of different colors may be substituted.