Avoid using a spa jacuzzi bathtub in the following situations: 1. If you have a fever or cold 2. If you have heart disease or high blood pressure without a doctor's permission 3. If you are pregnant 4. If you have consumed alcohol or taken medication that affects blood pressure 5. If you have open wounds or skin conditions 6. If you are with young children or are unattended 7. If you are in an excessively hot environment for extended periods of time 8. If you are using a spa jacuzzi bathtub alone

Six main reasons for fatigue when using a spa jacuzzi bathtub: Reason 1: Hot water immersion causes a drop in blood pressure Reason 2: Water stimulation causes excessive nerve excitation followed by counterinhibition Reason 3: Water pressure causes micro-damage to muscle tissue Reason 4: Accelerated metabolism leads to excessive energy expenditure Reason 5: Over-relaxation of the central nervous system Reason 6: Environmental factors disrupt sleep rhythms

Because spa jacuzzi bathtubs have a closed body, a circulating heating system, and independent water and drainage systems, they don't rely on fixed plumbing like conventional bathtubs, offering greater flexibility. As long as the power supply, water supply, and space requirements are met, spa jacuzzi bathtubs can operate effectively indoors or outdoors.

Long-term exposure to hot water above 37°C will cause the skin's stratum corneum to soften and the sebum membrane to be damaged. If the attached matter is not washed off by showering and moisturizing care is not performed in time, it may cause: · Dry and tight epidermis; · More sensitive to external stimuli; · Repeated skin problems such as eczema and dermatitis.