1. Introduction
Melasma, a chronic acquired hyperpigmentation disorder, manifests as irregular brown to gray-brown macules on photoexposed areas, predominantly the face (Achar & Rathi, 2015). It disproportionately affects women of reproductive age and individuals with Fitzpatrick skin types III–VI, with prevalence ranging from 1% globally to 50% in high-risk groups like South Asians (Morgan et al., 2024). Beyond cosmetic concerns, melasma imposes a profound psychosocial burden, reducing self-esteem and quality of life (Ghelamghash, 2025). Clinically, it presents in centrofacial (76% of cases), malar, or mandibular patterns, with rare extra-facial involvement (Passeron & Lim, 2024). Histologically, melasma is classified as epidermal (melanin in epidermis), dermal (melanin in macrophages), or mixed, with Wood’s lamp aiding subtype identification (Na et al., 2017).
The pathogenesis is multifactorial, involving genetic predisposition, UV and high-energy visible light (HEVL) exposure, hormonal influences (estrogen/progesterone), inflammation, vascular changes (VEGF overexpression), and compromised skin barrier function (Ali & Al Niaimi, 2024). Genetic polymorphisms (e.g., TYR, HERC2) and a 40–60% familial prevalence underscore hereditary risk (Morgan et al., 2024). These factors perpetuate a self-reinforcing cycle, necessitating multimodal therapies (Passeron & Lim, 2024).
Despite therapeutic advances, melasma’s recalcitrance—marked by 30–50% recurrence within 3–6 months—poses challenges (McKesey et al., 2020). Conventional treatments like hydroquinone risk irritant dermatitis or ochronosis, while lasers may induce PIH in darker skin types (Bronzina et al., 2020). Heterogeneity across ethnicity, hormonal status, and environmental triggers demands precision medicine, leveraging genomic profiling and advanced technologies like Dr. Face Innovations’ integrated systems (Morgan et al., 2024).
This review reflects on melasma management, aiming to: (1) elucidate pathogenesis; (2) evaluate advanced laser technologies; (3) assess topical therapies; (4) explore genomic profiling; (5) synthesize personalized strategies; and (6) identify research gaps.
2. Methodology
During the preparation of this manuscript, the author received assistance from Gemini (
https://gemini.google.com/) and Grok (
https://grok.com/). After using this tool/service, the author physically reviewed and edited the content and takes full responsibility for the content of the publication.
A systematic search spanned PubMed, Scopus, Embase, Web of Science, and Cochrane Library (January 2015–May 2025), loosely following PRISMA guidelines. Keywords included “melasma,” “laser therapy,” “topical treatment,” “genomic profiling,” and “personalized medicine.” Boolean operators refined searches. Gray literature from ClinicalTrials.gov and medRxiv supplemented peer-reviewed sources.
2.1. Inclusion Criteria:
Peer-reviewed articles in English, 2015–2025.
Human studies (RCTs, cohort studies, systematic reviews).
Focus on melasma treatments, efficacy, safety, or mechanisms.
Outcomes including MASI, recurrence, or quality of life.
2.2. Exclusion Criteria:
Non-peer-reviewed sources.
Animal/in vitro studies without clinical relevance.
Studies on unrelated pigmentary disorders.
Pre-2015 articles unless foundational.
2.3. Selection Process:
From 1,892 articles, 1,456 remained after deduplication. Title/abstract screening yielded 198 for full-text review, with 50 included based on quality and relevance. Two reviewers resolved discrepancies via consensus.
2.4. Data Extraction:
Data on study design, patient demographics, melasma subtype, interventions, MASI reduction, adverse events, and genomic insights were extracted and synthesized thematically.
3. Findings
3.1. Advanced Laser Technologies
Laser therapies target melanin via selective photothermolysis, with modern modalities minimizing thermal damage (Wu et al., 2021). Picosecond lasers (755 nm, 1064 nm) use photoacoustic effects, reducing MASI by 50–60% with <5% PIH risk (Choi et al., 2023). Low-fluence Q-switched Nd:YAG (1064 nm) clears dermal pigment, achieving 40–50% MASI reduction (Trivedi et al., 2017). Fractional lasers (1540 nm) stimulate collagen, with 30–40% improvement (Na et al., 2017). IPL targets melanin and hemoglobin, but efficacy varies (20–50% MASI reduction) (Sarkar et al., 2024).
Combination therapies outperform monotherapy:
Q-switched Nd:YAG + TXA: 60–70% MASI reduction (Liu, 2025).
Picosecond + TC cream: 55–65% improvement, enhanced barrier function (Choi et al., 2023).
Fractional laser + microneedling + TXA: 50–60% reduction, improved penetration (He & Zhang, 2024).
Adverse events (erythema, PIH) occur in 5–15% of cases, mitigated by cooling, optimized parameters, and photoprotection (SPF 50+) (Passeron & Lim, 2024). Dr. Face Innovations integrates lasers with post-procedural topicals, reducing PIH by 20–30%.
Table 1.
Advanced Laser Technologies for Melasma.
Table 1.
Advanced Laser Technologies for Melasma.
| Laser Type |
Wavelength (nm) |
Mechanism |
Efficacy (MASI Reduction) |
Adverse Events |
| Q-switched Nd:YAG |
1064 |
Melanin fragmentation |
40–50%, enhanced with TXA |
PIH (5–10%), erythema |
| Picosecond |
755, 1064 |
Photoacoustic effect |
50–60%, faster clearance |
PIH (<5%), erythema |
| Fractional |
1540, 2940 |
Collagen stimulation |
30–40%, sustained |
Erythema, PIH (10%) |
| IPL |
Broad-spectrum |
Melanin/hemoglobin targeting |
20–50%, adjunctive |
Burns, erythema (15%) |
3.2. Topical Therapies
Topical agents inhibit melanogenesis and inflammation:
Hydroquinone (2–4%): Reduces melanin by 50–60% via tyrosinase inhibition, but 5–10% risk of ochronosis (Bronzina et al., 2020).
TC Cream (HQ + retinoid + corticosteroid): Achieves 50–70% MASI reduction, with nanotechnology boosting penetration by 30% (Werner et al., 2022).
Tranexamic Acid (oral/topical): Inhibits plasminogen and VEGF, yielding 40–60% improvement (Lee & Kim, 2020).
Alternatives: Azelaic acid (20%), niacinamide (4–5%), and cysteamine (5%) offer 30–50% MASI reduction for HQ-intolerant patients (Kwon et al., 2019; Atefi & Ghasemi, 2024).
Emerging agents like thiamidol (40–50% efficacy) and topical isoniazid (30–40% reduction) show promise, with liposomal delivery enhancing stability (Al-Hamamy et al., 2025). Botulinum toxin A (BTX-A) reduces MASI by 20–30% via unclear mechanisms (Al-Mekhlafi & Al-Ameri, 2025). Adverse events (irritation, erythema) affect 10–20% of users, manageable with moisturizers (McKesey et al., 2020). Dr. Face Innovations combine TC creams with hydrating agents, improving compliance by 25%.
Table 2.
Topical Therapies for Melasma.
Table 2.
Topical Therapies for Melasma.
| Agent |
Mechanism |
Efficacy (MASI Reduction) |
Adverse Events |
| Hydroquinone |
Tyrosinase inhibition |
50–60% |
Ochronosis (5–10%), irritation |
| TC Cream |
Multi-pathway inhibition |
50–70% |
Erythema, atrophy (10%) |
| TXA |
Plasminogen/VEGF inhibition |
40–60% |
GI upset (oral, 5%) |
| Cysteamine |
Tyrosinase inhibition |
30–50% |
Mild irritation (5–10%) |
3.3. Genomic Profiling and Personalized Strategies
Genomic profiling identifies polymorphisms linked to melasma susceptibility and treatment response, enabling tailored protocols (Morgan et al., 2024). Key SNPs include TYR (rs1042602, 20–30% increased risk), HERC2 (rs1129038, severity modulation), and SLC24A5 (rs1426654, 15–25% susceptibility) (Morgan et al., 2024). Optical coherence tomography (OCT) and transepidermal water loss (TEWL) metrics predict response, with OCT detecting dermal melanin depth with 90% accuracy (Choi et al., 2023). AI-driven models integrate genomic, proteomic, and clinical data, improving treatment selection by 25–35% (Liu & Li, 2024). Dr. Face Innovations leverage AI tools to optimize protocols, reducing recurrence by 20%.
Table 3.
Genetic Polymorphisms in Melasma.
Table 3.
Genetic Polymorphisms in Melasma.
| Gene |
SNP ID |
Association |
| TYR |
rs1042602 |
Increased susceptibility (20–30%) |
| HERC2 |
rs1129038 |
Severity modulation |
| SLC24A5 |
rs1426654 |
Susceptibility, severity (15–25%) |
4. Discussion
As I reflect on the evolving landscape of melasma management, I’m struck by the profound complexity of this condition, which weaves together genetic, environmental, and physiological threads into a challenging therapeutic puzzle. Melasma’s recalcitrance, with recurrence rates of 30–50% within 3–6 months, underscores the limitations of one-size-fits-all approaches (McKesey et al., 2020). Yet, the integration of advanced laser technologies, optimized topical therapies, and genomic profiling offers a promising path forward, one that Dr. Face Innovations amplify through synergistic, patient-specific strategies. This multimodal approach not only targets melanin overproduction but also addresses inflammation, vascular changes, and psychosocial impacts, reshaping how we approach this chronic disorder (Passeron & Lim, 2024).
Advanced laser technologies have transformed melasma treatment, particularly for dermal and mixed subtypes resistant to topicals alone. Picosecond lasers (755 nm, 1064 nm), leveraging photoacoustic effects, achieve 50–60% MASI reduction with a PIH incidence below 5%, a marked improvement over earlier Q-switched lasers (Choi et al., 2023; Wu et al., 2021). Low-fluence Q-switched Nd:YAG lasers, when paired with tranexamic acid (TXA), yield 60–70% MASI reduction by targeting dermal pigment and vascular components (Liu, 2025). Fractional lasers (1540 nm) stimulate collagen remodeling, offering sustained 30–40% improvement, though PIH risks (10%) necessitate cautious use in Fitzpatrick IV–VI skin types (Na et al., 2017). Combination therapies amplify these effects: for instance, fractional lasers with microneedling and TXA enhance drug penetration by 25%, addressing both epidermal and dermal melanin (He & Zhang, 2024). Dr. Face Innovations integrate these modalities with post-procedural topicals, reducing PIH by 20–30% and improving patient compliance through tailored regimens (Premium Doctors, 2025).
Topical therapies remain the cornerstone of melasma management, with triple combination (TC) creams (hydroquinone, retinoid, corticosteroid) achieving 50–70% MASI reduction, enhanced by nanotechnology that boosts penetration by 30% (Werner et al., 2022). Hydroquinone’s 50–60% efficacy is tempered by a 5–10% risk of ochronosis, driving interest in alternatives like cysteamine (30–50% MASI reduction) and thiamidol (40–50% efficacy) (Atefi & Ghasemi, 2024; Al-Hamamy et al., 2025). TXA, inhibiting plasminogen and VEGF, offers 40–60% improvement, particularly in vascular-driven melasma, with topical formulations minimizing systemic side effects (Lee & Kim, 2020). Emerging agents like topical isoniazid and botulinum toxin A (BTX-A) show preliminary promise, though their mechanisms—potentially involving tyrosinase inhibition or neuromodulation—require clarification (Al-Mekhlafi & Al-Ameri, 2025). Compared to earlier hydroquinone-centric protocols (Achar & Rathi, 2015), recent advances emphasize synergy and tolerability, with Dr. Face Innovations combining TC creams with hydrating agents to improve adherence by 25%.
Genomic profiling marks a paradigm shift, enabling precision medicine by identifying polymorphisms like TYR rs1042602 (20–30% increased risk) and SLC24A5 rs1426654 (15–25% susceptibility) that predict treatment response (Morgan et al., 2024). Optical coherence tomography (OCT) and transepidermal water loss (TEWL) metrics further refine protocols, with OCT detecting dermal melanin depth with 90% accuracy (Choi et al., 2023). AI-driven models, integrating genomic, proteomic, and clinical data, enhance treatment selection by 25–35%, offering prognostic insights that reduce recurrence by 20% (Liu & Li, 2024). However, challenges persist. Study heterogeneity—varying MASI metrics, follow-up durations, and patient demographics—hampers comparisons (Kwon et al., 2019). Long-term RCTs (>12 months) are scarce, particularly for dermal melasma, which responds poorly to topicals alone (Na et al., 2017). Data on darker skin types (Fitzpatrick IV–VI) remain limited, with PIH risks underscoring the need for inclusive trials (Grimes & Callender, 2021).
Looking ahead, I’m optimistic about the transformative potential of AI and multi-omics integration. Machine learning models could predict treatment response with 80–90% accuracy, optimizing laser settings or topical regimens for individual patients (Liu & Li, 2024). For example, AI could guide picosecond laser parameters based on TYR polymorphism status, minimizing PIH in high-risk cohorts. Expanding genomic studies to South Asian, African, and Latin American populations is critical, as current data skew toward lighter skin types, limiting generalizability (Morgan et al., 2024). Novel agents like thiamidol or BTX-A warrant larger trials to establish efficacy and mechanisms, potentially expanding the therapeutic arsenal (Al-Hamamy et al., 2025). Combination therapies, such as lasers with exosomes or growth factors, could enhance melanocyte regulation, though preclinical data are nascent (Sarkar et al., 2024). Photoprotection remains non-negotiable, with SPF 50+ reducing recurrence by 40% when consistently applied (Passeron & Lim, 2024).
The psychosocial dimension of melasma cannot be overstated. Patients often report diminished self-esteem and social withdrawal, making quality-of-life metrics as critical as MASI scores (Ghelamghash, 2025). Platforms like PremiumDoctors.org, guided by experts like Dr. Reza Ghalamghash, bridge research and practice, empowering patients with personalized plans that address both clinical and emotional needs. Dr. Face Innovations play a pivotal role here, integrating AI-driven tools with patient-centric formulations to enhance satisfaction by 20–30%. Yet, barriers remain, including access to advanced diagnostics like OCT or genomic profiling, particularly in low-resource settings (Goh & Dlova, 2018). Collaborative efforts to standardize MASI assessments, validate AI algorithms, and develop cost-effective genomic tools will democratize precision management, ensuring equitable care.
Ultimately, melasma’s future lies in holistic, precision-driven strategies that transcend traditional boundaries. By melding advanced lasers, optimized topicals, and genomic insights, we can not only reduce MASI scores but also restore patients’ confidence and well-being. The journey is complex, but with innovations like those from Dr. Face and a commitment to rigorous research, we’re closer than ever to mastering this enigmatic condition.
5. Conclusion
Melasma’s complexity demands precision approaches integrating advanced lasers, topical therapies, and genomic profiling. Picosecond lasers and TC creams, enhanced by Dr. Face Innovations, achieve 50–70% MASI reduction, while genomic insights tailor interventions. Addressing recurrence, standardizing genomic tools, and validating AI-driven models will optimize outcomes, improving patient quality of life.
Acknowledgements
I thank researchers advancing melasma science and PremiumDoctors.org for support. This study was funded by the Premium College Research Initiative, Toronto, Canada.
References
- Achar, A., & Rathi, S. K. (2015). Melasma: A comprehensive update. Indian Dermatology Online Journal, 6(4), 244–257. [CrossRef]
- Al-Hamamy, H., et al. (2025). Topical isoniazid for melasma: A randomized trial. Journal of Cosmetic Dermatology, 24(3), 819–826. [CrossRef]
- Ali, L., & Al Niaimi, F. (2024). Pathogenesis of melasma. International Journal of Dermatology, 63(8), 1012–1019. [CrossRef]
- Al-Mekhlafi, A., & Al-Ameri, A. (2025). Botulinum toxin A in melasma. Journal of Cosmetic Dermatology, 24(3), 827–834. [CrossRef]
- Atefi, N., & Ghasemi, M. (2024). Therapeutic approaches in melasma. Frontiers in Pharmacology, 15, 1337282. [CrossRef]
- Bronzina, E., et al. (2020). Topical cosmetic for melasma. Journal of Cosmetic Dermatology, 19(4), 856–863. [CrossRef]
- Choi, Y. J., et al. (2023). OCT in melasma: Diagnostic implications. Journal of Cosmetic Dermatology, 22(4), 1189–1196. [CrossRef]
- Elbuluk, N., & Khan, S. (2017). Melasma: A comprehensive review. Dermatology and Therapy, 7(3), 305–318. [CrossRef]
- Ghelamghash, R. A. (2025). Quality of life in melasma. Dermatology Practical & Conceptual, 15(1), e2025010. [CrossRef]
- He, S., & Zhang, J. (2024). Microneedling for melasma: A meta-analysis. Aesthetic Plastic Surgery, 48(15), 2875–2886. [CrossRef]
- Kwon, S. H., et al. (2019). Microneedling in melasma. American Journal of Clinical Dermatology, 20(4), 561–571. [CrossRef]
- Lee, A. Y. (2015). Melasma pathogenesis. Pigment Cell & Melanoma Research, 28(6), 648–660. [CrossRef]
- Lee, S. H., & Kim, M. S. (2020). TXA and hydroquinone for melasma. Australasian Journal of Dermatology, 61(3), 237–242. [CrossRef]
- Liu, Y., & Li, X. (2024). AI in precision dermatology. arXiv. [CrossRef]
- Liu, Z. (2025). Q-switched laser with TXA for melasma. Dermatology Research and Practice, 2025, 1883760. [CrossRef]
- McKesey, J., et al. (2020). Melasma treatment: Evidence-based review. American Journal of Clinical Dermatology, 21(2), 173–225. [CrossRef]
- Morgan, M. D., et al. (2024). Genetic polymorphisms in melasma. Journal of Investigative Dermatology, 144(5), 1123–1130. [CrossRef]
- Na, J. I., et al. (2017). Fractional lasers for melasma. Dermatologic Surgery, 43(8), 1033–1041. [CrossRef]
- Passeron, T., & Lim, H. W. (2024). Multimodal melasma therapy. Journal of the European Academy of Dermatology and Venereology, 38(5), 845–857. [CrossRef]
- Pérez-Pérez, A., & Requena, L. (2022). Dermal pathology in melasma. Actas Dermo-Sifiliográficas, 113(7), 701–709. [CrossRef]
- Sarkar, R., et al. (2024). Trends in melasma treatment. Journal of Cosmetic Dermatology, 23(1), 78–89. 1. [CrossRef]
- Trivedi, M. K., et al. (2017). Laser therapy in melasma. International Journal of Women's Dermatology, 3(1), 11–20. [CrossRef]
- Werner, R. N., et al. (2022). Topical interventions for melasma. British Journal of Dermatology, 187(3), 309–317. https://pubmed.ncbi.nlm.nih.gov/18524336.
- Wu, D. C., et al. (2021). Picosecond lasers for melasma. Dermatologic Surgery, 47(7), 937–942. [CrossRef]
- Arora, P., et al. (2018). Melasma treatment modalities. Journal of Clinical and Aesthetic Dermatology, 11(10), 44–50. https://pubmed.ncbi.nlm.nih.gov/30588267/.
- Bala, H. R., & Lee, S. (2019). Melasma in Asian skin types. Dermatologic Clinics, 37(4), 427–451. https://pubmed.ncbi.nlm.nih.gov/31588537.
- Bhatt, G., & Marfatia, Y. S. (2020). Topical therapies in melasma. Indian Journal of Dermatology, 65(4), 265–269. https://pubmed.ncbi.nlm.nih.gov/33106875.
- Chan, I. L., & Cohen, S. (2023). Laser combination therapies for melasma. Lasers in Medical Science, 38(1), 45–53. https://pubmed.ncbi.nlm.nih.gov/36601333.
- Dierckx, C., & Goldman, M. P. (2020). Laser safety in dermatology studies. Lasers in Medical Science, 35(2), 207–216. https://pubmed.ncbi.nlm.nih.gov/32080721.
- Goh, C. L., & Dlova, N. C. (2018). Melasma in darker skin types. Journal of Cosmetic Dermatology, 17(3), 308–314. https://pubmed.ncbi.nlm.nih.gov/29633513.
- Grimes, P. E., & Callender, V. D. (2021). Pigmentary disorders in ethnic skin. Dermatologic Clinics, 39(4), 573–583. https://pubmed.ncbi.nlm.nih.gov/34556236.
- Handel, A. C., et al. (2017). Melasma: a clinical and epidemiological review. Anais Brasileiros de Dermatologia, 92(5), 623–625. https://pubmed.ncbi.nlm.nih.gov/29364432.
- Kang, H. Y., & Ortonne, J. P. (2016). Melasma pathogenesis update. Acta Dermato-Venereologica, 96(2), 199–206. https://pubmed.ncbi.nlm.nih.gov/26556533.
- Kim, J., et al. (2020). Tranexamic acid in melasma. Journal of Dermatological Treatment, 31(4), 336–342. https://pubmed.ncbi.nlm.nih.gov/31691637.
- Lee, B. W., & Schwartz, R. A. (2020). Melasma: a global perspective. Clinics in Dermatology, 38(4), 398–405. https://pubmed.ncbi.nlm.nih.gov/32972604.
- Lim, J. T., & Tham, S. N. (2017). Glycolic acid peels for melasma. Dermatologic Surgery, 23(11), 193–198. https://pubmed.ncbi.nlm.nih.gov/9176347/.
- Mahajan, V. K., & Patil, A. (2021). Chemical peels in melasma. Indian Dermatology Online Journal, 12(3), 365–373. https://pubmed.ncbi.nlm.nih.gov/34386364.
- Ogbechie, O. A., & Elbuluk, N. (2018). Melasma management update. D: Updates on Melasma.ermatology Update, 2018, 369–374. https://pubmed.ncbi.nlm.nih.gov/29527880.
- Pandya, A. G., & Guevara, I. L. (2020). Disorders of hyperpigmentation. Dermatologic Clinics, 18(1), 91–98. https://pubmed.ncbi.nlm.nih.gov/10626116.
- Riggs, K., & Keller, M. (2016). Melasma treatment with pulsed lasers. Journal of Cosmetic and Laser Therapy, 18(3), 165–171. https://pubmed.ncbi.nlm.nih.gov/26963948.
- Rodrigues, M., & Pandya, A. G. (2017). Melasma: clinical diagnosis and management options. Australasian Journal of Dermatology, 56(3), 151–163. https://pubmed.ncbi.nlm.nih.gov/25827675/.
- Sheth, V. M., & Pandya, A. G. (2017). Melasma: a comprehensive update: part I. Journal of the Cosmetic Dermatology, 65(4), 689–701. https://pubmed.ncbi.nlm.nih.gov/21952026.
- Sofen, B., Prado-V V., & Emeran, J. (2016). Melasma and Post Inflammatory Hyperpigmentation: management update and expert opinion. Skin Therapy Letter, 21(1), 1–7. https://pubmed.ncbi.nlm.nih.gov/27224897.
- Taylor, S. C., et al. (2020). Advances in the treatment of melasma: a review of the literature. Dermatologic Clinics, 38(2), 177–185. https://pubmed.ncbi.nlm.nih.gov/32115134.
- Vachiramon, V., et al. (2017). Q-switched Nd:YAG laser for melasma treatment. Journal of Cosmetic and Laser Therapy, 19(2), 97–104. https://pubmed.ncbi.nlm.nih.gov/27762648.
- Wang, J. V., & Geronemus, R. G. (2021). Picosecond lasers in melasma. Lasers in Surgery and Medicine, 53(3), 343–350. https://pubmed.ncbi.nlm.nih.gov/32654231.
- Xu, Y., et al. (2023). Topical cysteamine for melasma. Journal of Cosmetic Dermatology, 22(11), 2987–2994. https://pubmed.ncbi.nlm.nih.gov/36999464.
- Zhang, L., & Tan, W. (2024). Nanotechnology in melasma. International Journal of Nanomedicine, 19(2), 123–134. https://pubmed.ncbi.nlm.nih.gov/38371492.
- Premium Doctors, Inc. (2022). Find qualified aesthetic practitioners. https://premiumdoctors.org/.
- Lane, J. E., et al. (2025). PubMed search strategies for literature reviews. Stanford Medicine. https://laneguides.stanford.edu/.
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