The Algae Face Mask segmentation by application distinguishes five primary usage categories that together define the market’s revenue distribution. Anti‑aging masks, formulated with phycocyanin and fucoidan, dominate with an estimated 35 % share, reflecting strong consumer demand for collagen‑stimulating benefits. Moisturizing masks, leveraging polysaccharide‑rich extracts to enhance barrier function, account for roughly 30 % of sales, driven by the universal need for hydration across skin types. Brightening masks, containing chlorophyll‑derived antioxidants, contribute about 20 % as they address hyperpigmentation concerns in both Asian and Western markets. Acne‑care masks, integrating anti‑inflammatory algal compounds, represent 10 % of the market, reflecting a niche but growing segment among younger consumers. Finally, Sensitive‑skin soothing masks, using low‑irritant algal polysaccharides, hold a modest 5 % share, catering to dermatologically‑sensitive demographics. Collectively, these application segments shape the overall market size by allocating demand across functional benefits.