Application-driven segmentation accounts for the bulk of revenue in the Haarlem Oil market. The primary application categories are lubricants, biofuels, paints & coatings, and personal‑care products. Lubricants represent the largest share, roughly 45 % of market value, reflecting extensive use in automotive engines, industrial gearboxes, and heavy‑machinery maintenance. Biofuels, comprising 30 % of value, benefit from renewable‑energy mandates and feedstock diversification, driving modest but steady volume growth. Paints & coatings account for 15 % of revenue, where oil‑based binders remain essential for durability in construction and automotive finishes, although a gradual shift toward water‑based systems is observable. Personal‑care applications, including cosmetics and skin‑care formulations, contribute the remaining 10 % of market value, leveraging the oil’s emollient properties despite increasing consumer preference for plant‑derived alternatives. Together, these application segments define the demand side of Haarlem Oil segmentation, with lubricants and biofuels together representing three‑quarters of total market size, while the remaining categories provide niche but strategically important revenue streams.