(Photo From HealthShots)Oily hair is a problem that many people have. Too spicy and greasy diet, fast-paced work and life often affect people's endocrine system and aggravate scalp problems. How should we wash our hair properly?(Photo From SkinKraft)Tip 1: Let the shampoo lather before touching the scalp. The shampoo must be poured into the palm of the hand and rubbed evenly before washing the hai...More