Direct exposure to the mandelic acid supply chain points to Merck KGaA as a key producer and distributor of cosmetic-grade mandelic acid, making MKKAF the top public play for exposure. Indirect exposure can be gained through major cosmetic companies that incorporate mandelic acid in products, such as L'Oréal (OR.PA) and Estée Lauder (EL), or through large chemical suppliers like BASF (BASFY) that supply AHA ingredients to the cosmetics industry. Entrepreneurial opportunities exist in formulating mandelic-acid-based skincare lines, private-label products, or specialized contract manufacturing for indie brands seeking gentler exfoliation options.