Deva veda Marigold oil is often used to hydrate the scalp and get rid of dandruff and damaged scalp are the major causes of hair fall. Another cause is damaged scalp. This oil can heal both these conditions, giving your hair a chance to grow stronger. Its regenerative properties help the hair follicles grow abundantly, giving you a thicker mane. This Marigold – Green tea oil can be used against premature graying.