Segmentation by Types isolates five distinct product architectures that together constitute the Hanging Car Air Freshener market. Paper‑based strips, often impregnated with volatile fragrance compounds, dominate due to low manufacturing cost and high turnover, contributing an estimated 40 % of total unit volume. Gel‑filled cartridges, encapsulating fragrance within a semi‑solid matrix, capture roughly 25 % of the market, favored for longer release cycles and reduced scent fade. Essential‑oil sachet variants, leveraging natural volatile oils, occupy about 15 % of sales, driven by consumer demand for eco‑friendly and therapeutic aromas. Plastic‑film designs, featuring perforated polymer layers, hold a 12 % share, offering durability and a broader scent diffusion surface. Lastly, Nanotech‑coated units, employing nano‑encapsulation to modulate release kinetics, represent an emerging 8 % segment, reflecting early adoption among premium‑price channels. Each type’s share is derived from production capacity, price tier, and consumer preference metrics, collectively informing the overall market taxonomy.