Though there are a number of conditioners available in the market, using olive oil and other natural ingredients is considered to be the best for the health of the hair. You can make a number of homemade hair conditioners using different ingredients like olive oil, egg yolk, plain yogurt, and other essential oils. Homemade olive oil hair conditioner can be made more enriching with the use of several other ingredients like coconut milk, mayo and honey or even with plain lukewarm water, etc.