Understanding the Characteristics of the Scalp for Developing Scalp Care Products

The document reviewed the characteristics of the scalp to guide the development of scalp care products, emphasizing the importance of managing the scalp for healthy hair. It found that men are more prone to dandruff due to higher sebum levels and protein loss, and that racial differences affect sebum production and shampoo habits. The scalp's barrier function was linked to hair loss, with higher transepidermal water loss in hair loss areas. Dandruff was associated with lower natural moisturizing factor levels, and improving the skin barrier improved dandruff conditions. The review suggested that enhancing the scalp's barrier function could address dandruff and maintain scalp health. It also highlighted the role of tight junctions in maintaining the scalp's barrier function and the need for mild formulations to prevent barrier damage. Understanding customer complaints and their causes was deemed crucial for developing effective scalp care products.