1 Types of Pigmentation 1.1 Melasma1.2 Freckles1.3 Sunspots1.4 Post-Inflammatory Hyperpigmentation (PIH)2 Laser treatments for Hyperpigmentation 2.1 How do Q-switched laser and Pico laser treatments work?       3 What is a Q-Switched Laser? 4 What is a Pico Laser? Pigmentation issues affect many in