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Manicurists are exposed to various chemicals in nail and skin care products and may develop ocular, nasal, respiratory or skin adverse reactions to them. To investigate the occurrence of ocular, nasal, respiratory and skin problems among manicurists and to identify their causal factors, particularly allergic etiology and occupational origin. Manicurists employed in beauty salons in the central region of Poland were invited to fill in the questionnaire and undergo medical examination, skin prick tests with common aeroallergens, patch tests with European Baseline Series and (Meth)Acrylates Series-Nails and spirometry. In the questionnaire adverse nasal symptoms were reported by 70%, ocular - by 58%, respiratory - by 42%, hand eczema - by 43% of manicurists. In the medical interview, the frequency of those complaints was lower: nasal ones - 41%, ocular - 24%, cough - 18%, hand skin dryness - 20%, hand eczema - 6%. Cough and hand skin dryness occurred significantly more frequently than in the case of controls. Contact allergy was found for 41% of manicurists and 35% of controls. The prevalence of nickel sensitization was high in both groups (38% and 27%, respectively). Only 3 manicurists reacted to (meth)acrylates. The frequency of atopic diseases was similar in compared groups. Irritant nasal and respiratory reactions were significantly more prevalent among manicurists (nasal - 18% vs. 2%, p < 0.01; respiratory - 18% vs. 1%, p < 0.001). Work-related nasal irritant reactions were finally diagnosed for 19%, ocular ones - for 13%, respiratory - for 18% and within hand skin - for 23% of manicurists. The frequency of workattributed irritant mucosal and skin symptoms among manicurists is high. Exposure to acrylates is an important source of mucosal irritant reactions while occlusive gloves cause irritation of hand skin. The prevalence of nickel allergy among Polish females is high. Int J Occup Med Environ Health 2017;30(6):887-896. Funding: financial support for this work was obtained from local statutory funds IMP 11.2 entitled “Skin and respiratory diseases in employees of beauty salons – the type and prevalence of lesions, diagnosis, predisposition, prevention” from Nofer Institute of Occupational Medicine, Łódź, Poland. Grant/Project manager: Prof. Marta Kieć-Świerczyńska, M.D., Ph.D.

Acrylate monomers have a wide range of applications. Since the 1950s, many reports of occupational origin allergic contact dermatitis due to (meth)acrylate monomers have been published. During last decades, (meth)acrylate allergy has undergone an occupational shift from dentistry toward beauty industry and medical devices. The aim of the study was to conduct a literature review on acrylates as a cause of allergic contact dermatitis, current sources of exposure as well as identification of professional groups with an increased risk of this allergy and methods of effective prevention. Database review: Medline search (PubMed), Wiley Online Library and Web of Science base in years 1956–2019 using the following keywords: acrylates, manicurists, dentists, dental technicians, medical devices, occupational exposure, and allergic contact dermatitis. 204 346 articles containing the term ‘acrylates‘ have been found. They include 2 042‬ articles with the word ‘manicurists’, 169 919 – ‘dentists’, 218 236 – ‘dental technicians’, 2 427 418 – ‘medical devices’. Fifty-nine articles were chosen based on analysis of abstracts and full texts. In the past allergy to acrylates was mainly of occupational origin and dental technicians were the most often affected professional group. Since the long-lasting manicure has become popular, this problem concerns both manicurists and their customers. Moreover, the new significant trend is non-occupational allergic contact dermatitis caused by medical devices especially dedicated to diabetes patients.

In recent years occupational skin and respiratory diseases have been more and more frequently diagnosed in small production and service enterprises. The awareness of occupational exposure and its possible health effects among their workers and employers is not sufficient. Beauty salons, in addition to hairdressers and beauticians, frequently employ manicurists and pedicurists. The workers often happen to perform various activities interchangeably. The health status of beauty salons workers has rarely been assessed. The most numerous reports concern hairdressers. In this occupational group, the occurrence of skin lesions induced by wet work and frequent allergy to metals, hair dyes and bleaches and perm solutions has been emphasized, while information about health hazards for being a manicurist or pedicurist in beauty salons is seldom reported. The aim of this paper is to present professional activities (manicure and pedicure, methods of nail stylization), occupational exposure and literature data on work-related adverse health effects in manicurists and pedicurists. Wet work and exposure to solvents, fragrances, resins, metals, gum, detergents may cause skin disorders (contact dermatitis, urticaria, angioedema, photodermatoses), conjunctivitis, anaphylaxis, respiratory tract diseases, including asthma. The discussed occupations are also associated with the increased incidence of bacterial (particularly purulent), viral and fungal infections and cancer. Med Pr 2013;64(4):579–591

Due to concerns around occupational chemical exposures, this study sought to examine whether women working as cosmetologists (providing hair and nail care services) and manicurists (providing only nail care services) have an elevated risk for adverse pregnancy outcomes. In this population-based retrospective study of cosmetologists and manicurists in California, we linked cosmetology licensee and birth registry files to identify births during 1996–2009. We compared outcomes among cosmetologists and manicurists to those of the general female population and to women from other industries. We also conducted restricted analyses for Vietnamese women, who comprise a significant proportion of the workforce. There was little evidence of increased risk for adverse birth outcomes, but we observed an association for small for gestational age (SGA) among Vietnamese manicurists (OR 1.39; 95 % CI 1.08–1.78) and cosmetologists (OR 1.40; 95 % CI 1.08–1.83) when compared to other working women. Some maternal complications were observed, notably an increased risk for gestational diabetes (OR 1.28; 95 % CI 1.10–1.50 for manicurists; OR 1.19; 95 % CI 1.07–1.33 for cosmetologists) compared with the general population, which further elevated when restricted to Vietnamese workers (OR 1.59; 95 % CI 1.20–2.11 for manicurists; OR 1.49; 95 % CI 1.04–2.11 for cosmetologists). Additionally, we observed an association for placentia previa among manicurists (OR 1.46; 95 % CI 1.08–1.97) and cosmetologists (OR 1.22; 95 % CI 1.02–1.46) compared with the general population. Women in the nail and hair care industry may be potentially at increased risk for some maternal complications, although further research is warranted. Vietnamese workers may also have increased risk for SGA.

OBJECTIVES To evaluate the genotoxic risk to hairdressers exposed daily to chemical substances such as hair dyes, waving and straightening preparations and manicurists' products by the Comet assay test (single-cell gel electrophoresis). METHODS The Comet assay was performed on blood samples from 69 female hairdressers (36.4 +/- 10.7 years old) currently employed in 21 different beauty institutes in Sao Paulo, Brazil, and on 55 female control blood donors (32.6 +/- 10.0 years old) from the Sao Paulo University Clinical Hospital blood bank. All the control subjects had occupations other than hairdresser. Comet assays were performed by evaluating 100 blood lymphocytes per individual and graded by visual score according to comet tail length. RESULTS The hairdressers showed a higher frequency of DNA damage revealed by Comet Score (159.8 +/- 71) when compared to the control group (125.4 +/- 64.1), and the difference was statistically significant by the Student's t-test (P = 0.005). Multiple regression analysis showed that in addition to the hairdressers' profession, tobacco use contributed to the higher frequency of cells with comets (P < 0.05). CONCLUSIONS The observed DNA damage could be associated with the hairdressers' occupational environment, where different chemicals are chronically manipulated and inhaled. Considering that this profession in many countries, including Brazil, is not officially regulated, more attention should focus on these professionals not only by legislative bodies but also by multidisciplinary teams able to develop and implement risk prevention and control strategies for chemical, physical and biological agents to which hairdressers are exposed.

To measure manicurists' exposure to dibutyl phthalate (DBP) at work and to determine whether workplace characteristics influence this exposure. DBP is a reproductive and developmental toxicant in rats and is used in nail polish to hold color and prevent chipping.Pre- and postshift spot urine samples were collected from 40 manicurists. Linear regression compared the relationship between the log of the cross-shift differences in urinary phthalate monoester metabolite concentrations and use of workplace exposure control methods.There was a statistically significant cross-shift increase of 17.4 ng/mL in the urinary concentration of mono-n-butyl phthalate, the major metabolite of DBP. Use of gloves reduced mono-n-butyl phthalate concentrations by 15.1 ng/mL below the preshift concentration compared with a 20.5 ng/mL increase if gloves were not worn.Manicurists are occupationally exposed to DBP and glove use may minimize this exposure.