Take some dry soap nuts (reetha) and soak them in water overnight. Mash them in the morning and strain the soapy solution. Add a few drops of patchouli essential oil.
If you are unable to make this shampoo at home, add a few drops of patchouli essential oil to your shampoo. It works.

Mix a tablespoon of malt vinegar in a glass of water. Add three drops of patchouli. Dab one tablespoon of this mixture on your scalp and massage twice a week. Leave the lotion on for one hour. Rinse with cool water, brush and set hair.

Other Tips :

Do not use harsh shampoos.
Do not use oils unless the cleansing routine leaves your hair extremely dry.
Massage your scalp regularly.

Beat together one tablespoon of castor oil, one tablespoon of almond oil, one tablespoon of glycerine, a teaspoon of cidar vinegar, a teaspoon of protein and four drops of sandalwood oil. Apply it on the scalp and leave it for twenty minutes. Rinse with clear water.

Add lavender essential oil to equal quantities of castor oil and coconut oil. Heat a little and massage gently into the scalp at night. Rinse or shampoo in the morning. Follow this routine atleast twice a week.

Other Tips :

Take a few drops of ylang ylang on your palm and apply to freshly washed hair to get an instant shine and keep split ends away.

Use camomile or rosemary shampoo. Else add two drops of rosemary or camomile essential oil to your regular shampoo.

Mix one tablespoon each of coconut oil, castor oil and sesame (til0 oil with two drops of rosemary. Massage into the hair for a few minutes. Then wrap the head in warm towel to help oil penetration. Leave o for an hour, then use a gentle shampoo.