This is an observational study to determine the efficacy and safety of Potenfill for temporary penile enhancement.

The pivotal study of Potenfill has already been completed and this observational study determines the long-term efficacy and safety for up to 24 months in subjects who have been participated and treated in the pivotal study.

Inclusion Criteria:

• Males over 19 and under 65 who have participated in the previous clinical investigation (pivotal) and were treated with the investigational medical device and completed all the anticipated visits.

Exclusion Criteria:

• Subjects who have received any procedures or surgeries (penile enhancement procedure, HA filler, collagen, etc.) in the penile area from the time after the participation of the previous clinical investigation (pivotal) and before the screening for this clinical investigation.
• Subjects deemed as ineligible to participate by the investigator

Males over 19 and under 65 who have participated in the previous clinical investigation (pivotal) and were treated with the investigational medical device and completed all the anticipated visits.