Rheinlaser develops and supplies cryotherapy equipment for people and animals, combining research and development, manufacturing, and sales. Its product range includes cryotherapy machines for human use and equine applications, designed to support recovery, pain relief, and performance. The devices deliver high-pressure carbon dioxide gas at -78°C to targeted areas, creating rapid localized cooling.

According to the company, this thermal shock can help reduce inflammation, ease discomfort, relax muscles, and support tissue repair, with treatment effects described as beginning within seconds. Some models also feature a red laser to help target the treatment area, and the equipment is presented as compact and easy to use, with real-time treatment management. Rheinlaser serves a varied audience that includes sports and fitness users, people seeking support for aches, and horse owners or professionals looking to aid equine recovery.

The brand also shares educational articles about applying CO₂ cryotherapy in settings such as post-exercise routines, water-sports recovery, travel, and hotel wellness. Its stated priorities include manufacturing expertise, quality assurance, competitive pricing, and customer support