Inclusion Criteria:1. Between 18 and 50 years of age 2. Fluent in English language 3. Provide written informed consent 4. Skin pigmentation type II or III&#xA; Exclusion Criteria:1. Current use of prescription drugs interfering with study objective 2. Use of over-the-counter analgesic/anti-inflammatory drugs within 48h of study participation 3. Current acute or chronic pain conditions 4. Significant medical conditions including psychiatric, neurological, and dermatological diseases 5. Pregnancy 6. Allergies to study drug(s) 7. Concomitant participation in other study protocol