@TexugoDoMel
cool studies. thanks
Sounds like gel can also be used to enhance absorption of co2 through bag bathing (where usually water does that in baths) , so can apply it somewhere to enhance a local area effect
{they used glycerin aka glycerol as part of the gel in one of the studies. which should be safe topically as endogenous compound}
Gel only: The CO2 paste was obtained from CO2Tech (Kobe, Japan) and contained 1,3‐butylene glycol, sodium hydrogen carbonate (bicarb), malic acid, sodium dihydrogen phosphate, alkyl‐modified carboxyvinyl polymer, and carboxyvinyl polymer
Because of its relatively high solubility, CO2 gas dissolves in the hydrogel. The dissolved CO2 then permeates the skin, moving down its concentration gradient when the maximum solubility in the hydrogel is reached. Our previous study showed that CO2 penetrated human tissue by this system {more than bag bathing without the gel?}
transcutaneous CO2 absorption-accelerating hydrogel, (Formulation: carbomer (0.65%), glycerin (5.00%), sodium hydroxide (0.18%), sodium alginate (0.15%), sodium dihydrogen phosphate (0.15%), methylparaben (0.10%), and deionized water (balance))
In this system, the CO2 hydrogel is applied to the skin to allow CO2 to dissolve and penetrate into the local tissue, which humidifies the skin without bathing, thereby forming a passage for CO2 to reach the local tissues. This system allows for the easy application of CO2 to any site of the body.
When we applied CO2 transcutaneously using this system, sweating and redness of the skin were noted. In addition, the blood flow to the fingers increased
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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3169585/
this one just using co2 in water for 10 mins daily gave nice results for restoring blood flow & vessels (but not systemic effect, local to limbs used on)
https://www.ahajournals.org/doi/10.1161/01.CIR.0000159329.40098.66
, amazing for just 10 minutes daily , 1g co2 per liter of water (get that from 2g bicarb + 2.5g citric acid)
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