painless solution

1. It contains"Hydrochloric acid of adrenaline",which can be used during the opration and willl never make the skin turn black
2. High Density and can get effective in about 8 minutes
3. analgesic effect can last for 3 hours.
4. When the temperature is low,you will see the crystals,which is the normal phenomenon.
5. There is no need to frozen.

painless solution