To obtain pure nicotine, consider licensed suppliers, reputable online retailers, or wholesale distributors. Pharmacies may also carry nicotine products, but verify suitability for vaping. Advanced users can extract nicotine from tobacco leaves, but exercise caution. Prioritize safety by following handling instructions and storing nicotine securely. Research suppliers and retailers for quality assurance and regulatory compliance. Check customer reviews and certifications before making a purchase. Wholesale distributors offer competitive pricing for bulk purchases of pure nicotine. DIY extraction requires expertise and adherence to proper protocols to ensure purity. Ensure all purchases meet your quality and safety standards. By following these steps, you can safely acquire pure nicotine for your vaping needs.