Actress Lee Se-young recently revealed her transformation to a bob haircut through social media. Lee Se-young personally confirmed the new style by sharing a photo of her short hair. The chin-length bob emphasized her distinct facial features.

The bob haircut is known to have several advantages for scalp health and hair care. With long hair, the strands can pull downward, causing tension, or become thinner when lacking nutrients. Additionally, tightly tying hair can put strain on hair follicles, potentially damaging the roots. In contrast, a bob haircut reduces the likelihood of bacteria and pollutants accumulating, and makes washing hair or applying treatments easier, thereby lowering the risk of dandruff and scalp inflammation.

Compared to long hair, a bob allows better ventilation, reducing heat buildup, which can help prevent folliculitis or scalp issues, especially in summer. Easier regulation of heat and moisture also lowers the risk of scalp rashes. A bob is also recommended for those with fine hair that tends to fall out easily.

Meanwhile, no direct causal relationship has been confirmed between hair length and hair loss. Hair growth and shedding are determined by the hair follicle growth cycle, influenced by various factors such as genetics, nutrition, and hormones. When maintaining long hair, it is advised not to tie it tightly and to thoroughly cleanse the scalp to avoid shampoo residue, which helps maintain scalp and hair health.