Essential Oils for Thermal Pillows £3.60 Sold. I'm out looking for more but in the meantime head to the shop for more lovely things at www.handmadeandvintage.co.uk These essential oils are perfect for adding a calming or theraputic element to your thermal pillow. Choose from: Lemon Verbena - a calming, soothing and stress relieving scent. Lavender - good for headaches and stress relief, soothing when you have a cold and a great aid to sleep. Eucalyptus - a few drops on your warm cherry stone pillow and this oil will really help when you feel full of a cold. Don't forget that the cherry stone pillows are washable so you can change the oils to suit your mood! 10ml bottle size.