Is There a Correlation between Severity of Melasma and Quality of Life?

The aggressive face of melasma: unveiling the influence of upper lip pigmentation on social perception

Introduction

Although melasma leads to emotional distress and quality-of-life reduction, indigenous cultures practice female facial tattooing. Facial cues influence personality trait inferences and attractiveness ratings. Skin lesions have been shown to alter gaze patterns, emotion perception, and social evaluations.

Aim

This study aimed to evaluate melasma's impact on visual attention, perceived attractiveness, and social evaluations, considering distinct anatomical areas. Additionally, we sought to compare perceptions of traditional facial tattoos due to their purposeful placement.

Material and methods

Gaze fixation patterns were examined via eye-tracking, and image-based personality questionnaires were completed for psychological trait assessment. Visual stimuli showcased anatomic melasma variants and tattoo patterns.

Results

Traditional tattoos often follow midline patterns, sparing the upper lip. Both melasma and tattoos significantly affected visual attention (p < 0.001), with chin and upper lip melasma garnering increased attention. Upper lip melasma decreased gaze to the ocular area (p ≤ 0.002). while increasing perioral fixations (p < 0.001) compared to healthy faces. Upper lip tattoos conveyed increased perceived aggressiveness (p = 0.004). Ratings for attractiveness and personality traits were lower for centrofacial melasma than other variants, with no significant difference between centrofacial and isolated upper lip melasma.

Conclusions

The global avoidance of upper lip pigmentation underscores its perceptual burden. Upper lip pigmentation directs gaze towards anger-signalling regions, increasing perceived aggression and reducing attractiveness. Centrofacial melasma's impact parallels an isolated upper lip pattern, underscoring the disproportionate role of upper lip pigmentation. These findings warrant considering upper lip melasma's significant influence when evaluating quality of life and establishing treatment goals.

Does Systemic Metformin Have a Role in Treating Melasma?

BACKGROUND

Melasma is a common pigmentary condition that affects the patients' quality of life and all the prescribed treatment options till now are not satisfactory, especially in dark-skinned patients.

OBJECTIVE

To evaluate the efficacy and safety of systemic metformin (1,000 mg and 500 mg) combined with trichloroacetic acid (TCA) peeling versus TCA alone in the treatment of melasma.

PATIENTS AND METHODS

The study included 60 melasma patients divided into 3 groups: Group A received systemic metformin (1000 mg/d), Group B received systemic metformin (500 mg/d) and Group C received placebo. The 3 treatment groups were treated by TCA 25% over the whole face bimonthly for a total of 6 sessions. Melasma area and severity index (MASI), and Melasma impact Quality of life Scale (MELASQOL) were used to assess the outcome.

RESULTS

There was a statistically significant decrease in the MASI, and the MELASQOL in the 3 studied groups after treatment with significantly better improvement in Group (A) than Group (C) ( p = .045).

CONCLUSION

Systemic metformin is a safe and promising therapeutic option for treating melasma.

Carotenoids in red fruit (Pandanus conoideus Lam.) have a potential role as an anti‑pigmentation agent (Review)

Melasma is a persistent condition characterized by excessive melanin production in the skin. The management of melasma necessitates a protracted treatment duration, which is associated with diminished levels of patient satisfaction. One effective strategy for mitigating occurrence of melasma is consumption of nutricosmetics with depigmentation properties. The present review aimed to investigate the potential of red fruit as a depigmentation agent. Carotenoids serve a crucial role in human nutrition as a precursor to vitamin A. Carotenoids serve as scavengers of reactive oxygen species generated by ultraviolet radiation. Carotenoids promote skin health. Red fruit, a fruit originating from Papua (Indonesia) has anti-pigmentation properties associated with its ability to block melanogenesis through various protein pathways such as PKA, ERK, and AKT signaling pathways. The consumption of food rich in carotenoids, such as red fruit, has advantageous properties to reduce hyperpigmentation and skin brightening.

The Effect of Melasma on the Quality of Life in People with Darker Skin Types Living in Durban, South Africa

Melasma is a common skin disorder of acquired hyperpigmentation that appears commonly on the face. Although asymptomatic, melasma causes psychosocial and emotional distress. This study aimed to assess melasma's severity on people with darker skin types, evaluate the effects of melasma on the quality of life (QoL), and establish QoL predictors in affected individuals. This was a cross-sectional analytic study that enrolled 150 patients from three private dermatology clinics in Durban, South Africa who were diagnosed with melasma. The severity of melasma alongside QoL were measured using a melasma area and severity index (MASI) score and melasma quality of life scale (MELASQoL), respectively. The associations among factors and QoL were explored using multivariable methods and stepwise regression analysis. p-values less than 0.05 were considered significant. Enrolled patients were predominantly females (95%), of which 76% were of black African ethnicity, 9% were of Indian ethnicity, and 15% had mixed ancestry, with an average age of 47.30 years. Family history revealed that 61% had no prior melasma cases, while 39% had affected relatives, most commonly mothers (41%). The cheeks were the most common site for melasma. MASI score of Masi (β = 0.209, t = 2.628, p < 0.001), the involvement of cheeks (β = -0.268, t = -3.405, p < 0.001), level of education (β = -0.159, t = -2.029, p = 0.044), and being menopausal (β = -0.161, t = -2.027, p = 0.045) were found to be predictors of QoL. A regression model was created to forecast MELASQoL using these four predictors. This equation's significance lies in its ability to enable the remote assessment of MELASQoL based on these four variables. It offers a valuable tool for researchers and medical professionals to quantitatively and objectively evaluate the impact of melasma on an individual's quality of life.

Self-Esteem, Depression, Anxiety and Quality of Life in Patients with Melasma Living in a Sunny Mediterranean Area: Results from a Prospective Cross-Sectional Study

INTRODUCTION

Melasma is a common acquired disorder of hyperpigmentation and has a significant effect on quality of life. The aim of this prospective cross-sectional study was to assess the effect of melasma on depression, social anxiety and self-esteem in the Greek population.

METHODS

The study included a total of 254 participants: 127 patients with melasma and an equal sample of healthy controls. Both participant groups completed the following psychometric measures: the Hospital Anxiety and Depression Scale (HADS) to assess anxiety and depression and Rosenberg's Self-esteem Scale (RSES) for self-esteem. Furthermore, in patients with melasma, quality of life was assessed using Melasma Quality of Life (MELASQoL).

RESULTS

Melasma patients (7.47 ± 4.53) presented statistically significantly higher anxiety compared to healthy controls (6.06 ± 3.59, p = 0.006), while no differences emerged with regard to depression or self-esteem. It is important to note that the difference regarding anxiety remained significant (b = 1.25, p = 0.003) even after adjusting for age, depression and self-esteem. A higher disease severity (MASI) correlated statistically significantly with longer disease duration (r = 0.24, p < 0.001), higher depression (r = 0.28, p = 0.002), and a more impaired health-related quality of life (MelasQol; r = 0.29, p < 0.001). Notably, a more impaired health-related quality of life was also correlated with higher depression (r = 0.19, p = 0.027) and lower self-esteem (r = - 0.31, p < 0.001).

CONCLUSION

The results of this study highlight the importance of evaluating quality of life, anxiety and depression in patients with melasma. The therapeutic approach should not be based solely on clinical findings; it should also include an evaluation of the patient's psychological aspects. Dermatologists can further improve their patient care by being supportive or requesting psychological intervention when needed, resulting in better compliance with treatment and an improved social and psychological status.

New Mechanistic Insights of Melasma

Melasma is a common acquired disorder of pigmentation that negatively impacts quality of life. Present treatments show poor therapeutic effect with frequent recurrence. This in large part is due to the currently limited understanding of the disease's etiology. It is urgent to elucidate the pathogenesis of melasma to further the discovery of new therapeutic strategies. Recent studies show that melasma is triggered or aggravated by a variety of factors, including genetic susceptibility, ultraviolet radiation, and sex hormone dysregulation. Ultraviolet B radiation upregulates the expression of several melanocyte-specific genes and stimulates the release of key factors that participate in the synthesis of melanin. There is a significant increase in melanin in both the epidermal and dermal layers of affected skin, possibly due to abnormalities in crosstalk between the melanocytes and other cells. Melanogenesis is regulated through various signaling networks including the Wnt/β-catenin, PI3K/Akt, cAMP/PKA, and SCF/c-kit-mediated signaling pathways. In addition, inflammatory mediators, oxidative stress, neuroactive molecules, sebocytes, etc, have also been proved to be related to the pathogenesis of melasma. This review provides a comprehensive update on the current understanding of the pathogenesis of melasma.

Comparison of generic and specific instruments to assess the quality of life in patients with melasma

Objective

To compare the psychometric performance of a generic and specific instruments in assessing melasma-related quality of life.

Methods

A cross-sectional study was conducted with 150 patients with melasma attending an outpatient dermatology clinic of a public hospital in São Paulo state, Brazil. Data were collected using a questionnaire containing sociodemographic and clinical data as well as the generic WHOQOL-BREF, and the dermatological-specific Skindex-16 and HRQ-Melasma.

Results

The overall internal consistency of the domains of the three instruments was ≥ 0.7. A strong positive correlation was identified between the Skindex-16 and HRQ-Melasma domains (0.68-0.78). Item-response theory showed that most Skindex-16 and HRQ-Melasma domains were more informative than WHOQOL-BREF.

Conclusion

The three instruments for assessing QOL tested presented good psychometric performance, with satisfactory internal consistency values. Only the two dermatological instruments, however, demonstrated a strong correlation between the domains that assess social, emotional, and functional aspects of QOL, indicating that both were able to identify impairments in other QOL dimensions in addition to the physical domain.

Evaluating the quality of life among melasma patients using the MELASQoL scale: A systematic review and meta-analysis

Background

According to the literature, pigmentary disorders have a significantly negative impact on a person’s health-related quality of life. Moreover, among pigmentary disorders, incidence of melasma ranks high. The Melasma Area and Severity Index (MASI) is the scale that is generally used to evaluate a melasma-affected area and its severity. However, the relationship between the MASI and Melasma Quality of Life (MELASQoL) scores, as well as the impact of melasma on patients’ quality of life, remain unclear.

Objectives

To explore the influence of melasma on patients’ lives, analyze the relationship between the MASI and MELASQoL scores, and identify the factors that may be influencing the quality of life of patients with melasma.

Methods

Two reviewers independently searched four databases (PubMed, Embase, the Cochrane Library, and Web of Science) for literature on quality of life of patients with melasma. In addition to an epidemiological study, a cross-sectional study, and validation studies, gray literature was also included. StataSE version 16 software was used for the meta-analysis. The score of each item on the MELASQoL scale was determined using a random-effects model.

Results

Fourteen studies with a total of 1398 melasma patients were included in the systematic review, four of which were eligible for meta-analysis. The relationship between the MELASQoL and MASI scores was found to be mixed. Five studies concluded that the MASI and MELASQoL scores were statistically correlated, while seven studies found no statistical correlation between the two. It is obvious that melasma causes emotional distress and has a negative impact on patients’ social lives. Patients were most bothered by the appearance of their skin condition. However, the MELASQoL score had no definite correlation with patient characteristics such as age, education levels, and history.

Conclusion

Melasma has a significant negative impact on patients’ quality of life. Thus, evaluating the quality of life of patients with melasma should not be ignored. Additionally, utilization of the MELASQoL scale should be considered in the care plan. Further studies with larger sample sizes are needed to confirm the relationship between melasma and quality of life.

[Chemical peeling for treatment of Melasma, pigmentary disorders and hyperpigmentation : Indications, effectivity and risks]

Pigmentary disorders and hyperpigmentation are widespread. Dark skin types in particular show a tendency to formation of melasmas and to hyperpigmentation. Light skin types have a tendency to ephelides and solar lentigines. In addition to topical treatment with lightening substances, superficial chemical peeling as well as combined procedures of topical treatment with chemical peeling play an important role in the treatment of hyperpigmentation. A strict avoidance of UV light and consequent daily application of sun protectíon factor 50+ are mandatory for successful treatment.