Different amount of HA 100, 200, 300, 400 and 500 mg was used in the volume fixed solution 90 mL, the zeta potential and EE were measured to determine the optimum HA dosage in the HA BCL DOX NLCs formulation priligy equivalent Appearance based interventions have been shown to promote photoprotection behaviors 144, 145, and their utility in comparison with health based approaches will depend on individual patient s concerns and priorities