1.Apply fresh coriander juice on the lips before going to bed in the night regularly.

2.Add milk that is not boiled to carot juice and massage on the lips

3.Add two drops of lemon in non-boiled milk and apply on the lips.
do regularly

4.Rub your lips with lemon skin a few minutes daily. This will be a good massage to prevent lips drying as well as avoid darkening of lips.

5.Apply glycerine and lemon juice daily and leave it for 10 mins and wash.
Glycerine is too hard on lips, so apply lemon juice first and then glycerine. This also prevents darkening of lips.