Ipl and Triluma As Melasma Treatment

I am happy with the IPL laser. It is really taking away my dark spots and freckles on my face. I will not however take away my melasma which is why I also am using the Triluma cream.

I recently had IPL and am now using Triluma cream for the treatment of Melasma. Can I continue to take my birth control pills while on the treatment and still have the treatment be effective.. or do I have to stop taking the contraceptive for the treatment to work?