Anti-pigmenting Effect of a Routine of Facial Products in Subjects With Melasma

In Group 1: Application once daily for 6 months, 3-4 drops twice a day (morning before the sunscreen and evening) In Group 2 and Group 3: Application once daily, 3-4 drops twice a day (morning before the sunscreen and evening) for 3 months following HQ4% or Kligman Trio treatment.

In Group 1: Application once daily (morning) for 6 months In Group 2 and Group 3: During week 1, apply 2 evenings/week. During week 2, apply every other evening. During week 3, apply every evening. During nights when retinol night cream is not applied, replace with Mineral 89 cream for 3 months following HQ4% or Kligman Trio treatment.

twice daily (morning and beginning of the afternoon)

2 drops in the morning before sunscreen application for 6 months