Background: Melasma is the main cause of facial hyperchromia and has a signifi cant 
psychosocial impact. Aim of the study: determine type of melasma according to depth of
melanin. Research methodology: this is observational descriptive study, included patients with 
melasma with different pattern of involvement. Results: three clinical pattern of melasma are 
observed clinically, 81% present progressive course, 42.42% diagnosed mixed melasma by 
Wood's light, and 72.72% by Dermoscopy. Conclusion: Wood's light, Dermoscopy can used as 
a diagnostic tool in melasma.