Both brands belong to Beijing Biosen Pharmaceutical Technology Co., Ltd.

The Zhenshikang vision care franchise brand was founded in 2010 by Mr. Meng Yuehui, a sixth-generation inheritor of traditional Chinese medicine. Zhenshikang has also obtained awards from scientific research institutions such as Henan University of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, and Beijing University of Traditional Chinese Medicine. Technical support, in fact, "Zhenshikang" is only a registered trademark of Biosen, not the specific name of the product.

Rhodonamine is mainly used to lighten and relieve the skin, promote the recovery of the skin and the stratum corneum of the skin, and is suitable for some cases of redness, swelling, heat, and pain. It is also suitable for cervical spondylosis, frozen shoulder and muscles. To relieve strain pain, it should be noted that it cannot be used on damaged skin to avoid discomfort in the wound. It can also be made into a patch to have a physical cooling effect. However, the sales model has always been suspected of pyramid schemes.