first we will learn what is deep conditioning
Professionals use treatments that makes your dry or damaged hair smooth and healthy looking. It restores moisture and prevents further problems. .
Ingredients 1 cup mayonise (room temperature if possible, like from a jar of brand new mayo just off the grocery store shelf) 1/2 cup olive oil , 3 egg yolks
Directions
5Leave on for at least 10-20 minutes and then rinse out.6Should make 1 to 2 hair treatments depending on the length of your hair.7If you don’t want to save the left over for another treatment use whatever is left over as a moisturizing face mask. Also can be used on dry elbow and knees (for best results, this should be used immediately after making and not saved. It will still work, but won’t be as effective as when it’s fresh). 8Do NOT shampoo afterwards, just rinse it really well. Do this on a day when you are not going to go out. Any oil that clings to your hair after you rinse it out, will continue to condition your hair until the next time you shampoo it out.9for best hair conditioning purposes, use immediately after making without refrigerating first. The reason is, the fats and oil will penetrate your hair follicles better if it is not cold. Tip to remember for all hair care: Warm/Hot opens the hair follicles so that conditioner can penetrate deeper. And cold water closes the hair follicles. So after you shower your hair, after you rinse every thing out, rinse again with a blast of very cold water. The coldest you can possibly stand. This cold water blast will also make your hair super shiny….
here is another which is more simple yet effectiveThe Ingredients