The use of cosmetic products has become increasingly popular among women, encompassing a wide range of items such as moisturizers, makeup, cleansers, and other beauty-enhancing substances. Cosmetic agents are substances found in cosmetic products that are used to improve the appearance and health of the skin, hair, and nails. They may be natural or synthetic, and their functions may include moisturizing, exfoliating, cleaning, and UV protection. Cosmetic agents play crucial role in the formulation of cosmetic products. Different skin types respond differently to cosmetic agents, so it is important to patch test new products before incorporating them into a daily routine. It is essential to consult a dermatologist before using any cosmetic products. The study utilized the descriptive research design. The target population was 250 Females in Taichung, Taiwan. The study did sampling of 210 participants chosen from the target population of 250 Females in Taichung, Taiwan. Questionnaires were used to collect the data. The research concluded that cosmetic agents have become an essential part of daily skincare routines for many females worldwide. The effects of cosmetic agents on skin health among females are significant. Properly formulated cosmetic agents can provide a range of benefits to the skin, improving its appearance and health. Properly formulated cosmetic agents can offer a range of benefits to the skin, like moisturization, sun protection, anti-aging effects, acne management, hyperpigmentation reduction, and exfoliation. It was recommended that different cosmetic agents work best for different skin types and concerns. Oily skin may benefit from a lightweight, oil-free moisturizer, while dry skin may require a heavier, more emollient-based moisturizer. Females should look for products that comprise beneficial components like antioxidants, peptides, and humectants. Avoid products that contain harmful components like fragrances, alcohol, and sulfates, as these may irritate the skin and cause damage over time.