Description<br> Net content: 50ml<br> Features<br> 1. High-purity methylene blue ingredients, strictly quality tested to ensure that safe and effective, suitable for various health needs.<br> 2. Unique drop design, precise and controllable dosage, convenient for daily use and carrying, ideal for health management.<br> 3. Supports a variety of uses, from cell staining to adjuvant therapy, widely used in medicine, biological research and personal health.<br> 4. Environmentally friendly packaging, reducing plastic waste, while protecting product quality, highlighting the dual care for the environment and health.<br> 5. A brand trusted by customers, providing professional after-sales service, answering any questions about the use of methylene blue, so that you can buy without worry.<br> Comments:<br> 1. The manual measurement tolerance is 2-5g. Please don't mind your replacement.<br> 2. Due to the differences between different monitors, the image may not reflect the actual color of the item. Thank you very much!<br> 3. The SKU color is the color of the product packaging<br> Package includes:<br> 1 * Methylene blue drops