Canz selsun blue reverse freckles on your chest?

Selsun blue freckles. Selsun blue is not a treatment for freckles. Freckles will get lighter if they are not exposed to the sun for many weeks or months. With increased sun exposure, they will get darker. Selsun blue is often used to treat tinea versicolor, a yeast infetion, that commonly affects the chest and back.