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Celcio uses targeted cooling and heating of the palms in combination with negative pressure. This allows the blood to be cooled and heated directly at the body’s surface before it re-enters the circulatory system. As a result, the core temperature drops or increases efficiently without exposing the entire body to extreme temperatures.

The palms of the hands—along with the soles of the feet and the forehead—are among the few areas of the body that are hairless and have a high density of blood vessels called Arteriovenous Anastomoses (AVAs). They are direct, low-resistance connections between small arteries and small veins that bypass capillary beds. These special heat exchange surfaces enable rapid and efficient temperature regulation of the body.

The body automatically protects itself from direct cold or heat exposure by constricting blood vessels. In contrast, Celcio works with a defined negative pressure that specifically dilates the vascular network in the palm of the hand. This allows the thermal stimulus to be introduced into the circulatory system efficiently and safely – without overheating or overcooling or triggering natural defence mechanisms.

No, the application is well-tolerated. The cold is perceived as intense, but not unpleasant. Most users get used to it after a few seconds and find the application refreshing and invigorating. The same applied for heat or in contrast mode. Every person has a different tolerance to temperature. With Celcio you can adjust the temperature to your own body preference.

Celcio is a very gentle, non-invasive method for applying cold and heat stimuli – completely drug-free and without known side effects. You simply place your palms on the designated areas in the device, and the application runs automatically via the integrated software control.

This depends on the individual case. Weekly use has led to long-term positive results. Daily usage or usage when needed Some using it on daily basis for athletes to improve their performance and recovery or some use it only to reduce their pain/ symptoms when needed. This could be daily, weekly and once a month.

Yes, Celcio can be ideally combined with other treatments, such as physiotherapy, altitude training, or intermittent hypoxia therapy. Its use optimally prepares the body and enhances the effectiveness of many other therapeutic approaches.

There are no or limited side effects. However, people with certain conditions, such as cystic fibrosis, or who are pregnant should consult a doctor before use.

Not very likely. The material used is Anodised aluminum which and is considered medically approved and skin-friendly for direct, long-term contact, making it a preferred material for medical devices, prosthetics, and wearable equipment. Because the surface is inert and non-reactive, it is unlikely to cause allergies or skin irritation. Due to its biocompatibility, it is used in medical devices. While generally safe, some individuals with extreme sensitivities might experience reactions, but such cases are rare.

No – although the stimuli are applied locally to the palms of the hands, the effect is potentially systemic. The palms are closely connected to the autonomic nervous system and central thermoregulation, which can enable systemic effects. No general promises of effectiveness are made, as the response can vary from person to person.

The application of cold and heat stimuli to the palms of the hands was originally inspired by research conducted by the U.S. Army in the 1990s. Stanford University further developed these findings and demonstrated that the additional use of negative pressure can enhance the physiological effect – for example, by selectively keeping specific vascular connections (anastomoses) open.

Every body reacts differently and every body has a different temperature tolerance range. Most users report noticeable improvements – be it in well-being, relaxation, or regenerative capacity. Try it out – risk-free, with clear user guidance and professional standards.