I don't understand your question exactly. Young sells oils that are mixed...combination oils...and also suggests dilution of essential oils with regular oil when they are considered to be too strong by themselves. Especially when being applied to sensitive skin. If one finds the Thyme oil to be too strong it can be diluted with a good oil like olive or sesame oil to make it milder.
It's a good way to use oil on the scalp too. I usually add rosemary oil to olive oil and leave on for an hour before a shampoo. Makes the scalp feel supple and leaves the hair very shiny and buoyant. I put the oil in a squirt bottle and then apply it systematically to the scalp and massage as I go.