Try Almond oil - it is a natural hair follicle simulator and nourishes the area. You can use cotton swab to apply it on the area before going to bed and rinse it off with cold water when you wake up.

Also, boil cucumber slices and dried coriander seeds in water for water and let 10 minutes. Let it cool and apply on the area with swab. This is biotin and vitamin H enrich formula for making eye lashes thicker.