TREATMENT OF POST-INFLAMMATORY HYPERPIGMENTATION USING RETINOL: A NARRATIVE REVIEW
DOI:
https://doi.org/10.66104/zx9c0438Keywords:
Keywords, Post-inflammatory hyperchromia; Retinol; Acne; Chemical peeling.Abstract
Abstract:
Introduction: Post-inflammatory hyperpigmentation is a specific dysfunction characterized by darkening of the skin after inflammatory processes, such as acne, resulting from increased production and deposition of melanin in the epidermis or dermis. This condition has a high prevalence in aesthetic and dermatological practice and can significantly impact the quality of life of individuals. Objective: To analyze the use of retinol in the treatment of post-inflammatory hyperpigmentation associated with acne. Methods: This is a narrative literature review, with a qualitative and descriptive approach, carried out through searches in the Google Scholar, SciELO, PubMed, and LILACS databases. The following descriptors were used: post-inflammatory hyperpigmentation, acne, retinol, and chemical peeling. Articles published between 2015 and 2026, in Portuguese and English, were included. Results: Twelve studies were selected that showed that retinol acts on cell renewal, modulation of melanogenesis, and improvement of systemic texture, contributing to the reduction of dark spots. Conclusion: Retinol is declared to be an effective active ingredient in the treatment of post-inflammatory hyperpigmentation, especially when combined with other aesthetic procedures, promoting significant improvement in the clinical picture.
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