The Pure Kamehameha is used the same as the normal Kamehameha but it can only be used a Super Saiyan 5 or 8. It is entirely white and made from extremely dangerous pure energy.
×10 Pure Kamehameha
The ×10 Pure Kamehameha is the only variation of the Pure Kamehameha. It's performed the same way except it's takes longer to charge.