Goku and Gohan reached this form in their training in the Hyperbolic
Time Chamber. They trained a year, and Gohan didn't knew to be a super saiyan,and after one year of training,he reached the
limits of the super saiyan.
Appearance:
The saiyan looks exactly like a regular super saiyan,except that
his hair is more white than gold,he doesn't has an angry look,and he usually doesn't has an aura.
Conditions to reach the form:
Train hard as a super saiyan
Advantages:
It is the limit of the super saiyan-who controls this form,can
absolutely controll the super saiyan.It doesn't spend an energy:Goku and Gohan were all the days at this form and they continue
their normal life as a super saiyans.
weaknesses:
none