People with dark skin have a higher risk for developing pigmentary complications. Inflammation is an important factor in post-acne hyperpigmentation. Post-acne hyperpigmentation can happen even in mild to moderate acne where inflammation is less severe.³
References:
Acne: Signs and symptoms. AAD. Available at: https://www.aad.org/public/diseases/acne/really-acne/symptoms. Last access date 3-2024
Elbuluk N, Grimes P, Chien A et al. The pathogenesis and management of acne-induced post-inflammatory hyperpigmentation. Am J Clin Dermatol 2021; 22:829–36.
Al-Qarqaz F. et al. post-acne hyperpigmentation: Evaluation of risk factors and the use of artificial neural network as a predictive classifier. Dermatology Reports 2021; 13:8223.