For professional and cosmetic use only. Not for retail sale or consumer use. Byall® products are intended for wholesale distribution and trained professionals only. Not a medical device; not for diagnosis or treatment.

Byall® makes no medical claims; users must comply with local laws and professional regulations. All trademarks, designs, and patents under Byall®, including but not limited to Dr Pen®, Bio Pen® and Hydra Pen®, are legally owned by Guangdong Byall Medical Technology Co., Ltd. Unauthorized use, reproduction or distribution is strictly prohibited. Users must follow official product instructions and complete relevant professional training before use. Byall® is not liable for misuse, off-label application or non-compliant distribution. For details or verification, please contact:  info@drpenfactory.com