If would be best that you find for your self the support that exists in the literature for the benefits of changing your appearance if it distresses you. I will give you links to start your exploration of the .
What you will find is the message that regardless of how you look you are a "good" and valuable person in yourself and by changing how you look you will not change that. However, if you are distressed by part of your appearance then changing that will go a long way to help with that distress. I have no problems with this proposition.
I also think it is important that there are other methods to affect how you feel about yourself. It then comes down to your capability to affect and the choice between a slower psychological change, with no surgical risks or psychological risk or faster surgical option to "kick start" your inner change?
A major book on physical appearance and Gender by Linda Jackson
Quality-of-Life Outcomes after Cosmetic Surgery.
Patients' health related quality of life before and after aesthetic surgery
Reshaping the psyche. The concurrent improvement in appearance and mental state after rhinoplasty
Body Image Dissatisfaction and Body Dysmorphic Disorder in 100 Cosmetic Surgery Patients. Cosmetic
Long-term psychological sequelae of augmentation mammoplasty.
Evaluation of Past and Present Hair Replacement Techniques
Psychological characteristics of women who undergo single and multiple cosmetic surgeries.