Shampooing too little or too often contributes to greasy hair , washing more than once a day can produce more oil to make up for extra shampooing
Over shampooing depletes vital moisturing elements from scalp and hair , in response scalps sebum glands produce more oils , giving rise to greasy scalp And improper eating habits such as diet rich in sugars, dairy products, red meat along with stress, hormonal imbalance and climate variations may also cause greasy hair
Oiling alredy oily scalp can lead to scaly patches and red skin on scalp. If scalp is alredy oily there is a good chance it traps dust . lead to itching and other skin infection
Greasy hair and/or scalp can clog the hair follicles, cause dandruff with itching, dampen the hair growth and may also induce excessive hair loss
Oily scalp can clog the hair follicles, trap dust and may lead to some itching, infections which inturn can cause hair loss.
There is no need to wet your hair daily. Depending on your scalp and hair nature, you may wash it frequently. If you have oily or greasy hair then you may wash your hair more frequently when compared to normal scalp.
Sebum or oil is secreted from scalp which naturally nourishes the hair and keeps it healthy. Only when the secretions become excessive, they clog the hair follicles, trap dust and cause hair loss.
Henna is good for oily scalp as it causes dryness in addition to nutritioning the hair. If your hair is too dirty or oily then henna may not have a needed effect, so it is suggestable to wash with plain water, pat dry and then apply henna.