Here's the translation of the given content into English: "100 Ways to Eliminate Hair and Skin Troubles" Note: The "" (carriage return/line break) was left as it is, unchanged, as per your instructions. All other Chinese text has been translated into English.

Author: [Japan] Shufu no Tomo Shobo, translated by the compilation team of "Family Health Encyclopedia"
Publisher:
Publish Date: 2000-01-01
Features: Sebum secretion varies with age, season, and gender. Generally, the amount of sebum secreted decreases as one gets older. People with normal skin may become oily in summer and drier in winter. Therefore, adjusting the skin according to these changes and controlling the amount of sebum on the epidermis to an appropriate level is the ultimate goal of using basic cosmetics. Maintaining the skin's slightly acidic pH and enhancing its resistance, the sebum film is indispensable.