We had completed Process Validation of our Eye Drops Product. Now we will change in formulation Sodium sodium Perborate instead of benzalkonium chloride. So is there any Full process validation of this product? or only some sample collection & r

We had completed Process Validation of our Eye Drops Product. Now we will change in formulation Sodium sodium Perborate instead of benzalkonium chloride. So is there any Full process validation of this product? or only some sample collection & report writing's.