Peppermint cools. And its the best oil youll find to ease the ache of the neck and shoulders specifically. It also eases joint pain, headaches and hangovers. It cleanses and decongests the skin and is very refreshing. It also releieves stomach pains and is great for travel or seasickness on your mini vacays.
Lavender cools. It is used to clear heat. resolve fevers and can cool an overheated liver. It does all of that while stabilizing the heart, calming your spirit and relieving irritibility that may be caused from summer heat.
Its also beneficial on sunburns, inflammation of the skin and is also a natural insect repellent.
Sandalwood cools. When applied to the skin its soothing, cooling and moisturizing. It also has a relaxing effect on the nerves and can be used during hot, agitated states that can lead to headaches, insomnia and nervous tension. It also is reputed to quiet mental chatter and is a meditation aid. Wear it to open up the third eye.
Good luck out there, its a scorcher.