Salonpas Lidocaine Plus Pain Relieving Cream desensitizes aggravated nerves for temporary relief of pain - back, neck, shoulders, knees & elbows. 2 Powerful Anesthetics. Fast Acting. Numbing Relief. Unscented. This item may be eligible for FSA and HSA reimbursement. For any questions you may have regarding FSAs or HSAs, please browse our FAQ.