Yes. Help in reducing brown spots
I went through the query and understood your concern.Desonide
.005% is a topical steroid
and these steroids
will help in reducing the inflammatory features and hence help in reducing the brown spots due to the sun in steroid responsive skin.
So since this was prescribed by your dermatologist
after examination, continue application twice daily and have regular followup with your doctor.
I hope this information helps you and answered your concern. Feel free to ask for any further queries. I will be glad to answer them.
Wish you faster recovery and good health.