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Boonchai W, Winayanuwattikun W, Limphoka P, Sukakul T. Contact allergy to hair cosmetic allergens in Thailand. Contact Dermatitis 2019; 81:426-431. [DOI: 10.1111/cod.13373] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 07/27/2019] [Accepted: 08/04/2019] [Indexed: 12/01/2022]
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Sukakul T, Chaweekulrat P, Limphoka P, Boonchai W. Changing trends of contact allergens in Thailand: A 12‐year retrospective study. Contact Dermatitis 2019; 81:124-129. [DOI: 10.1111/cod.13289] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 04/11/2019] [Accepted: 04/11/2019] [Indexed: 12/24/2022]
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Winayanuwattikun W, Boonchai W. Factors associated with multiple contact allergies in Thai dermatitis patients: A 10-year retrospective study. Contact Dermatitis 2019; 80:279-285. [DOI: 10.1111/cod.13189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/20/2018] [Accepted: 11/22/2018] [Indexed: 12/15/2022]
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Sukakul T, Kanchanapenkul D, Bunyavaree M, Limphoka P, Kumpangsin T, Boonchai W. Methylchloroisothiazolinone and/or methylisothiazolinone in cosmetic products-A market survey. Contact Dermatitis 2018; 80:110-113. [PMID: 30426516 DOI: 10.1111/cod.13151] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 09/26/2018] [Accepted: 09/27/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND There was a global epidemic of methylchloroisothiazolinone (MCI) and/or methylisothiazolinone (MI) contact allergy from 2009 to 2015. In response, the Thai Ministry of Public Health regulated the use of MCI/MI in cosmetics. OBJECTIVE To survey the presence of MCI/MI and MI alone, as labelled on cosmetics sold on the Thai market, before and after the ministerial directive. METHODS The presence of MCI and/or MI in leave-on and rinse-off cosmetics sold on the market, based on the labelling of ingredients in 3445 products, was analysed. RESULTS Before the implementation date, most leave-on products contained MCI/MI. After the regulations came into force, the only leave-on cosmetic subcategories that complied with the law were facial skin-care, sunscreen and make-up products. MCI/MI and MI alone were found on the labels of both leave-on and rinse-off products, the presence of each varying between product subcategories. CONCLUSIONS Despite the ministerial regulations restricting their use, MCI and/or MI are still found in cosmetics sold on the Thai market. Dermatologists should be aware of this situation, and counsel patients to avoid products containing MCI and/or MI.
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Prasithirun P, Kasemsarn P, Boonchai W. Allergic contact dermatitis caused by nickel in an eyebrow pencil. Contact Dermatitis 2018; 80:125-126. [DOI: 10.1111/cod.13126] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 08/22/2018] [Indexed: 10/28/2022]
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Varothai S, Winayanuwattikun W, Phaitoonwattanakij S, Kasemsarn P, Boonchai W. An investigator-blinded, randomized, prospective, comparative study of efficacy of four anti-inflammatory and barrier hand moisturizers in patients with chronic hand dermatitis. Dermatol Ther 2018; 31:e12670. [DOI: 10.1111/dth.12670] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 06/15/2018] [Accepted: 06/30/2018] [Indexed: 11/26/2022]
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Boonchai W, Maneeprasopchoke P, Chaweekulrat P, Kasemsarn P. Associated factors of widespread pattern of dermatitis among patch test population: 12-Year retrospective study. Australas J Dermatol 2018; 60:e40-e45. [PMID: 30155881 DOI: 10.1111/ajd.12903] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 07/19/2018] [Indexed: 12/01/2022]
Abstract
BACKGROUND/OBJECTIVE Widespread dermatitis is often associated with diagnostic and therapeutic challenges. Multiple factors influence this widespread pattern of dermatitis. We aim to study the associated factors in patch-tested patients who presented with widespread pattern of dermatitis. METHOD This retrospective, case-control study was conducted on patients with dermatitis who were patch tested during January 2005 to December 2016. The demographic data, patient and family histories, diagnoses, and patch test findings were recorded and analyzed. RESULTS Of the 3201 included patients, 645 (20.2%) had widespread pattern of dermatitis. Being male, age >60, and history of either atopic dermatitis (AD) or metal allergy were significantly associated with the widespread dermatitis pattern. A multivariate analysis demonstrated that preservatives were the significant offending allergens, especially methylchloroisothiazolinone/methylisothiazolinone (MCI/MI), and methylisothiazolinone (MI) alone. CONCLUSION Widespread pattern of dermatitis is associated with gender, age, underlying atopic dermatitis and a history of metal allergy. Preservatives are the significant offending allergens of widespread dermatitis, especially MCI/MI, and MI alone. A thorough history taking and patch testing, including preservatives, are necessary to determine the cause of widespread pattern of dermatitis.
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Boonchai W, Varothai S, Winayanuwattikun W, Phaitoonvatanakij S, Chaweekulrat P, Kasemsarn P. Randomized investigator-blinded comparative study of moisturizer containing 4-t-butylcyclohexanol and licochalcone A versus 0.02% triamcinolone acetonide cream in facial dermatitis. J Cosmet Dermatol 2018; 17:1130-1135. [PMID: 29411520 DOI: 10.1111/jocd.12499] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/05/2017] [Indexed: 01/14/2023]
Abstract
BACKGROUND Facial dermatitis can result from various conditions, some of which are of a chronic and relapsing nature. The use of topical corticosteroid therapy may lead to additional adverse effects. OBJECTIVE To compare the efficacy of moisturizer containing 4-t-butylcyclohexanol, which acts as a sensitivity regulator, and licochalcone A, an anti-inflammatory agent from the licorice plant Glycyrrhiza inflata, with that of 0.02% triamcinolone acetonide (TA) for the treatment of facial dermatitis. METHODS This was a randomized, prospective, investigator-blinded study. Eighty participants with mild to moderate facial dermatitis were randomly treated with either the test facial moisturizer or 0.02% TA twice daily for the first 2 weeks. For the subsequent 2 weeks, all patients used only the test moisturizer. Clinical assessment by investigators, bioengineering measurements, patients' subjective evaluation, and clinical photography were performed at baseline, week 2, and week 4. RESULTS Both treatments showed a statistically significant improvement with regard to physician clinical assessment, skin hydration, transepidermal water loss, and patient-assessed visual analog scale after 2 and 4 weeks of treatment compared with baseline. The test facial moisturizer produced better skin hydration than TCS. The improvement in TEWL after 4 weeks of using the test moisturizer was comparable with 2-week treatment with 0.02% TA cream. However, subjective evaluation by patients indicated that TA more rapidly improved sensation sensitivity. CONCLUSION The test facial moisturizer was slower than 0.02% TA in improving facial dermatitis, but showed greater benefit in erythema control and skin hydration.
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Goh CL, Noppakun N, Micali G, Azizan NZ, Boonchai W, Chan Y, Cheong WK, Chiu PC, Etnawati K, Gulmatico-Flores Z, Foong H, Kubba R, Paz-Lao P, Lee YY, Loo S, Modi F, Nguyen TH, Pham TL, Shih YH, Sitohang IB, Wong SN. Meeting the Challenges of Acne Treatment in Asian Patients: A Review of the Role of Dermocosmetics as Adjunctive Therapy. J Cutan Aesthet Surg 2016; 9:85-92. [PMID: 27398008 PMCID: PMC4924420 DOI: 10.4103/0974-2077.184043] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Conventional acne treatment presents several challenges such as intolerable side effects and antibiotic resistance. Dermocosmetic products may be used to reduce these unwanted effects. Dermocosmetics include skin cleansers, topical sebum-controllers, skin antimicrobial/anti-inflammatory agents, moisturizers, sunscreens, and camouflage products. Appropriate use of these products may help augment the benefit of acne treatment, minimize side effects, and reduce the need for topical antibiotics. In Asia, there is currently limited scientific data on the application and recommendations for dermocosmetic use in acne vulgaris (AV). This article reviews the evidence on dermocosmetics for AV and provides practice recommendations as discussed during the 4th Asia-Pacific Acne Leaders' Summit held in Bangkok, Thailand, on 7 and 8 February 2015. Through a premeeting survey, a series of plenary lectures, a stepwise program of discussion sessions, and Medline article review, the Expert Panel set forth relevant recommendations on the role of dermocosmetics as adjunct for treating AV in Asian patients.
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Boonchai W, Bunyavaree M, Winayanuwattikun W, Kasemsarn P. Contact sensitizers in commercial hair dye products sold in Thailand. Contact Dermatitis 2016; 74:222-9. [PMID: 26857218 DOI: 10.1111/cod.12542] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Revised: 12/23/2015] [Accepted: 12/15/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND Hair dyes are known to contain potent contact allergens for which sensitization rates have increased over the last decade. OBJECTIVE To examine the type and frequency of potent contact sensitizers labelled on hair dyes sold in metropolitan Bangkok, Thailand. METHODS During the 2013-2014 study period, labelled ingredient information from home use and professional hair dye products was collected. RESULTS Two hundred and fifty-two hair dye products were evaluated. One hundred and forty-nine products from 48 brands were domestically produced in Thailand, and 103 products were from 23 multinational brands produced in countries other than Thailand. Two hundred and fourteen of 252 (84.9%) hair dye products were found to contain strong skin sensitizers, with 118 (46.8%) being found in domestically produced products, and 96 (38.1%) being found in multinational brand products. Thirty-eight hair dye products (15.1%) were free of potent skin sensitizers. The number of domestically produced products (31, 20.8%) that were free of potent skin sensitizers was significantly higher (p = 0.002) than the number of multinational brand products (7, 6.8%). CONCLUSIONS p-Phenylenediamine was the most prevalent potent sensitizer found among domestically produced hair dyes available on the market. Our findings indicate regional differences in hair dye allergen exposure.
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Bunyavaree M, Kasemsarn P, Boonchai W. Cosmetic preservative labelling on the Thai market. Contact Dermatitis 2016; 74:217-21. [PMID: 26799537 DOI: 10.1111/cod.12520] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 11/02/2015] [Accepted: 10/13/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND Preservatives are added to cosmetics and other consumer products to prevent microbial growth and product degradation. Many cosmetic preservatives are skin sensitizers and frequent causes of contact dermatitis. The use of preservatives may vary by country and/or region, according to legislation, and may be reflected in differences in the prevalence rates of preservative allergy worldwide. OBJECTIVE To examine the type and frequency of preservative use in cosmetics sold in Thai markets in metropolitan Bangkok, Thailand. METHODS Preservatives contained in 1000 different cosmetics sold in Thai markets were documented and analysed, based on the labelling of ingredients. RESULTS Most of the cosmetic and skincare products sold in Thai markets were international brands, with only a small proportion of cosmetic products being produced in Thailand. International brand cosmetics were more likely to contain non-formaldehyde-releasing preservatives than domestically produced brands. Isothiazolinone-based preservatives, which are responsible for the current increase in the prevalence of contact allergy, were found at a significant frequency in domestically produced, leave-on cosmetic products. CONCLUSION Preservatives in cosmetics were significantly different according to source of production and type of cosmetics.
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Leeyaphan C, Bunyaratavej S, Rujitharanawong C, Kasemsarn P, Boonchai W, Muanprasert C, Matthapan L. Skin scrapings versus standardized skin surface biopsy to detect Demodex mites in patients with facial erythema of uncertain cause – a comparative study. Indian J Dermatol Venereol Leprol 2016; 82:519-22. [DOI: 10.4103/0378-6323.174423] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Kasemsarn P, Iamphonrat T, Boonchai W. Risk factors and common contact allergens in facial allergic contact dermatitis patients. Int J Dermatol 2015; 55:417-24. [DOI: 10.1111/ijd.12880] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 08/25/2014] [Accepted: 10/06/2014] [Indexed: 12/01/2022]
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Boonchai W, Sathaworawong A, Wongpraparut C, Wanitphakdeedecha R. The sensitization potential of sunscreen after ablative fractional skin resurfacing using modified human repeated insult patch test. J DERMATOL TREAT 2015; 26:485-8. [DOI: 10.3109/09546634.2014.998608] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Boonchai W, Thanomkitti K, Kasemsarn P. Occupational contact dermatitis in tertiary university hospital: a 5-year retrospective study. JOURNAL OF THE MEDICAL ASSOCIATION OF THAILAND = CHOTMAIHET THANGPHAET 2014; 97:1182-1188. [PMID: 25675684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
BACKGROUND Thailand, an agricultural country developing into an industrial country, has diferences in work environment, substance exposure, and climate. These factors may lead to a distinct epidemiology of occupational contact dermatitis (OCD). OBJECTIVE To study the prevalence of allergic and irritant occupational contact dermatitis in Thailand. MATERIAL AND METHOD The records of patients diagnosed of OCD and patch tested between 2006 and 2010 at Siriraj University Hospital were retrospectively reviewed. RESULTS From 885patch tested patients, 194 (21.9%) had OCD. Of those 194 patients, 76.8% were female and23.2% were male. Allergic contact dermatitis (ACD; 76.3%) wasfoundto be more common than irritant contact dermatitis (ICD; 24.2%). The common affectedpart was hands (51.5%). The mostfrequent occupation was wet work (35.1%), followed by office work (24.7%), industrial work (16%), and medical personnel (13.4%). The most common occupational allergens were nickel sulfate (33.1%), potassium dichromate (19.6%), and carba mix (15.5%). Water (56.1%), foods (4.9%), and oil/grease (2.4%) were the most common occupational irritants. CONCLUSION In our setting, allergic OCD was more common than irritant OCD. Nickel sulfate was the most common occupational allergen. Occupational A CD and lCD are most commonly found in industrial work and wet works, respectively.
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Boonchai W, Chaiwanon O, Kasemsarn P. Risk assessment for nickel contact allergy. J Dermatol 2014; 41:1065-8. [PMID: 25327390 DOI: 10.1111/1346-8138.12663] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Accepted: 09/11/2014] [Indexed: 11/29/2022]
Abstract
Nickel is one of the most common allergens causing allergic contact dermatitis worldwide. The aim of the study was to evaluate the contributing factors to nickel contact allergy (NiCA) in Asians who have a unique culture and lifestyle. We randomly selected 324 previously patch-tested patients, 162 nickel patch test (PT)-positive patients and 162 nickel PT-negative patients. The patients were telephone interviewed for their lifestyle information. Most of the nickel PT-positive patients (93.2%) were female with a mean age of 38.9 ± 13.3 years compared with the other group of nickel PT-negative patients who had a smaller proportion of females (76.5%) with an older mean age of 44.1 ± 14.9 years (P = 0.001). Multivariate analysis was able to establish that the significant risk factors for NiCA were female sex (odds ratio [OR], 6.38; 95% confidence interval [CI], 2.15-18.94), young age (OR, 0.98; 95% CI, 0.96-1.00), occupation with long periods of exposure to metal (OR, 3.08; 95% CI, 1.18-8.02), seafood (OR, 1.96; 95% CI, 1.17-3.27) and canned food consumption (OR, 3.12; 95% CI, 1.17-8.33) (P < 0.05). The adjusted factors found to associate with NiCA were female sex, young age, occupation with long periods of exposure to metal, seafood and canned food consumption.
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Triwongwaranat D, Kasemsarn P, Boonchai W. Green Pigmentation on the Palms and Soles. JAMA Dermatol 2013; 149:1339-40. [DOI: 10.1001/jamadermatol.2013.4299] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Boonchai W. Risk factors for common contact allergens and patch test results using a modified European baseline series in patients tested during between 2000 and 2009 at Siriraj Hospital. Asian Pac J Allergy Immunol 2013; 32:60-5. [DOI: 10.12932/ap0326.32.1.2014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2012] [Accepted: 02/12/2013] [Indexed: 11/05/2022]
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Kasemsarn P, Boonchai W. Pseudoxanthoma elasticum-like lesions in beta-thalassemia/hemoglobin E patient: a case report. J Dermatol 2013; 40:409-10. [PMID: 23414363 DOI: 10.1111/1346-8138.12105] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Boonchai W, Kasemsarn P. Suitability of patch test allergens for standard series in Thai patients: Ten-year retrospective review of patch test results. J Dermatol 2012; 40:65-7. [DOI: 10.1111/j.1346-8138.2012.01654.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Manonukul J, Chotirat C, Boonchai W, Chomanee N, Choosrichom N. Cutaneous lymphoepithelioma-like carcinoma: report of three cases. JOURNAL OF THE MEDICAL ASSOCIATION OF THAILAND = CHOTMAIHET THANGPHAET 2011; 94:1547-1552. [PMID: 22295745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
BACKGROUND Cutaneous lymphoepithelioma-like carcinoma (cutaneous LELC) is an extremely rare malignant neoplasm with unclear histogenesis. Its histopathologic features are like those of lymphoepithelioma-like carcinoma occurring in the nasopharynx and in visceral organs especially salivary glands. MATERIAL AND METHOD The authors reported on one male and two female patients of cutaneous LELC with immunohistochemical and electron microscopic study. All patients were of old age. All cutaneous LELCs in this report occurred on the patient's face, one of each on the eyelid, conjunctiva, and cheek. RESULTS All resection specimens showed the typical histopathologic features of those of LELC, i.e. well-defined tumor lobules mainly located in the dermis and extending into the panniculus. These tumor lobules typically displayed ill-defined clusters/nests of large epitheloid cells with pale eosinophilic cytoplasm, atypical vesicular nuclei possessing prominent nucleoli and were surrounded by dense lymphoplasmacytic infiltration. Immunocytohistochemically, these epitheloid cells showed epithelial differentiation by the expression of epithelial membrane antigen (EMA), P63, CK5/6 and CAM5.2 but were negative to CK20, CEA and Ebstein-Barr virus (EBV). Squamous cell differentiation by the presence of desmosomes by electron microscopic study was also noted in two patients (case 1 and 3). CONCLUSION The findings described above indicated that cutaneous LELC was a malignant neoplasm exhibiting squamous cell differentiation.
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Boonchai W, Desomchoke R, Iamtharachai P. Trend of contact allergy to cosmetic ingredients in Thais over a period of 10 years*. Contact Dermatitis 2011; 65:311-6. [DOI: 10.1111/j.1600-0536.2011.01978.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Boonchai W, Iamtharachai P. The pH of commonly available soaps, liquid cleansers, detergents and alcohol gels. Dermatitis 2010; 21:154-156. [PMID: 20487658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND The hydrogen ion concentration (pH) of a cleanser certainly has an impact on skin condition. Dermatologists always need to recommend a cleanser to patients with hand dermatitis or sensitive skin; particularly during the outbreak of swine (AH1N1 virus) influenza, frequent hand washing and alcohol gel cleansing were greatly recommended. OBJECTIVES The purpose of this study was to evaluate the pH of various commonly available cleansers and alcohol gels on the market to assess patient comfort in using such products and to make good recommendations to our patients. METHODS Multiple brands of liquid cleansers, dishwashing liquids, soaps, laundry detergents, and alcohol gels commonly available on the market were assessed for pH by using a pH meter and pH-indicator strips. The pH assessment imitated real-life conditions by diluting each cleanser with tap water and then comparing the changed pH. RESULTS The pH levels of liquid cleansers, dishwashing liquids, a beauty bar, and alcohol gels were acidic to neutral and compatible with normal skin pH. Most bar soaps, baby soaps, and powdered laundry detergents had a pH in the alkali range. The pH of concentrated cleansers was slightly different from that of their dissolved forms. CONCLUSION Regarding the antiseptic property and pH of the cleansers, alcohol gels with moisturizers appeared to be the best hand cleansers to recommend to our patients.
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Boonchai W, Iamtharachai P. The pH of Commonly Available Soaps, Liquid Cleansers, Detergents and Alcohol Gels. Dermatitis 2010. [DOI: 10.2310/6620.2010.10003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Hamann CR, Hamann DJ, Hamann QJ, Hamann CP, Boonchai W, Li LF, Thyssen JP. Assessment of nickel release from earrings randomly purchased in China and Thailand using the dimethylglyoxime test. Contact Dermatitis 2010; 62:232-40. [DOI: 10.1111/j.1600-0536.2010.01694.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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