This doTERRA essential oil blend smells incredible, and is so effective at opening airways for both adult and little lungs! For adults: 3-5 drops each in a 10 ml roller, topped with FCO. For infants: 1 drops each, topped with FCO. For children: 2 drops each, topped with FCO. Also amazing in the diffuser! 2-3 drops each. Enjoy! oilpoweredmom.com...