Lubricating gels intended for human medical use are generally regulated as Class II medical devices by FDA, requiring 510(k) clearance. At the border, CBP will flag shipments for FDA review if the manufacturer is not registered or if the product lacks a valid clearance. Veterinary formulations may be subject to FDA Center for Veterinary Medicine requirements instead. Consult a licensed customs broker or regulatory counsel to confirm the applicable pathway for a specific product.

The key distinction is intended use and labeling. A gel labeled and formulated specifically for use during surgical procedures, catheterization, endoscopy, or clinical examinations is classified under 3006700000 as a medical lubricant. A product marketed for personal or cosmetic use without a specific medical procedure claim would fall under a different heading (typically Chapter 33 or 34). CBP and FDA both look to the product's labeling, marketing materials, and formulation to determine the correct classification and regulatory treatment.