(1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ol, commonly known as (+)-borneol, is a bicyclic monoterpene alcohol with the CAS number 464-43-7. It is the naturally occurring enantiomer of borneol, characterized by its camphor-like odor and crystalline solid form. Structurally, it features a bicyclo[2.2.1]heptane skeleton with three methyl substituents and a hydroxyl group at the C2 position, conferring both lipophilic and hydrophilic properties. In the pharmaceutical domain, (+)-borneol is recognized as an active pharmaceutical ingredient (API) with diverse therapeutic applications. It is widely used in traditional Chinese medicine and modern formulations for its analgesic, anti-inflammatory, and neuroprotective effects. Specifically, it acts as a б░guideб▒ drug to enhance the blood-brain barrier permeability of co-administered agents, making it valuable in treating cerebral ischemia and stroke. It is also employed in topical analgesic preparations for pain relief. In the cosmetics and personal care industry, (+)-borneol serves as a functional active ingredient due to its antimicrobial, cooling, and skin-soothing properties. It is incorporated into formulations for acne treatment, anti-aging products, and skin repair creams. Additionally, it functions as a natural fragrance component in perfumes and aromatherapy products. Its safety profile is well-established, though it should be used within regulated concentrations to avoid skin irritation.