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Brans R, John SM, Frosch PJ. Clinical Aspects of Irritant Contact Dermatitis. Contact Dermatitis 2021. [DOI: 10.1007/978-3-030-36335-2_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Brans R, John SM, Frosch PJ. Clinical Aspects of Irritant Contact Dermatitis. Contact Dermatitis 2019. [DOI: 10.1007/978-3-319-72451-5_16-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ale IS, Maibach HA. Diagnostic approach in allergic and irritant contact dermatitis. Expert Rev Clin Immunol 2014; 6:291-310. [DOI: 10.1586/eci.10.4] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Kanto H, Washizaki K, Ito M, Matsunaga K, Akamatsu H, Kawai K, Katoh N, Natsuaki M, Yoshimura I, Kojima H, Okamoto Y, Okuda M, Kuwahara H, Sugiyama M, Kinoshita S, Mori F. Optimal patch application time in the evaluation of skin irritation. J Dermatol 2013; 40:363-9. [PMID: 23414058 DOI: 10.1111/1346-8138.12004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2012] [Accepted: 07/13/2012] [Indexed: 11/30/2022]
Abstract
We investigated the optimum application for evaluating skin irritation response by using samples of irritants commonly used as additives in cosmetics and other common household products. We studied 47 volunteers (16 men and 31 women). We selected three types of surfactant, one moisturizer, one anti-infective agent and one oil solution. Using Finn chambers on Scanpor tape, we performed the patch test. A total of 0.015 mL of each sample was applied to the Finn chamber. For liquids, circular filter paper was soaked in 0.015 mL of the sample. Samples were placed on the upper back of participants, and closed for 4, 24 or 48 h. A patch application time of 24 h is sufficient to detect primary skin irritation from irritants in cosmetics and other common household products. In addition, we found that skin irritation reactions were strongest at 24 h after patch removal and that the reaction tended to be weaker at 48 h after patch removal. Patch testing to evaluate irritants should be performed by means of a 24-h patch test with a follow-up reading at 24 h after patch removal. An application time of 24 h places less of a burden on patients than a 48-h patch test.
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Affiliation(s)
- Hiromi Kanto
- First Department of Dermatology, Toho University School of Medicine, Tokyo, Japan.
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Johnson W, Heldreth AB, Bergfeld WF, Belsito DV, Klaassen CD, Hill R, Liebler D, Marks JG, Shank RC, Slaga TJ, Snyder PW, Andersen FA. Final Report of the Cosmetic Ingredient Review Expert Panel on the Safety Assessment of Pelargonic Acid (Nonanoic Acid) and Nonanoate Esters. Int J Toxicol 2012; 30:228S-69S. [DOI: 10.1177/1091581811428980] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Pelargonic acid and its esters function as skin-conditioning agents in cosmetics. Molecular weight (mw) and octanol–water partition coefficient data suggest that dermal penetration is possible. The biohandling of branched-chain fatty acids is not the same as for straight-chain fatty acids, but the differences are not significant to the conclusion that they all are readily metabolized to nontoxic moieties. Limited data suggested that the penetration of other ingredients may be enhanced if these ingredients are present in the same formulation. These ingredients are not significant oral or dermal toxicants in animal studies. They are not reproductive/developmental toxicants or genotoxic/carcinogenic in animal studies. The available data suggested that product formulations containing these ingredients would be nonirritating and nonsensitizing to human skin, but formulators were cautioned to consider the penetration enhancement potential. The Cosmetic Ingredient Review (CIR) Expert Panel concluded that these ingredients are safe in the present practices of use and concentration.
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Affiliation(s)
| | - and Bart Heldreth
- Scientific Analyst/Writer, Cosmetic Ingredient Review
- Chemist, Cosmetic Ingredient Review
| | | | | | | | - Ronald Hill
- The 2009 Cosmetic Ingredient Review Expert Panel member
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Clemmensen A, Andersen KE, Clemmensen O, Tan Q, Petersen TK, Kruse TA, Thomassen M. Genome-Wide Expression Analysis of Human In Vivo Irritated Epidermis: Differential Profiles Induced by Sodium Lauryl Sulfate and Nonanoic Acid. J Invest Dermatol 2010; 130:2201-10. [DOI: 10.1038/jid.2010.102] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Abstract
An unequivocal distinction between allergic and irritant patch test reactions is often difficult with patch tests. This study was designed to evaluate the worth of video-macro camera documentation for differentiation between allergic and irritant test reactions and to investigate whether there are characteristic clinical differences in patch test responses between metal salts and fragrances. Patch testing was performed with nickel sulfate, fragrance mix and an irritant, sodium lauryl sulfate 1% aq., on the upper back of 82 patients, with evaluation and computer-aided video documentation after 48 and 72 hr. No reliable clinicomorphological criterion was found for assessing a weak patch test reaction as being definitely allergic. Even characteristic papules and vesicles were not regularly found in allergic reactions. However, unlike fragrance mix, patch test reactions to nickel sulfate were characteristic in that they showed a heterogeneous spread and an association with hair follicle openings, independent of reaction intensity. Evaluation based on additional computer-aided video-macro camera documentation did not add further advantage for the differentiation of allergic and irritant reactions. But well-defined clinicomorphological features and reaction patterns to single test substances or even whole substance categories could be helpful additional criteria for evaluating patch test responses in clinical practice.
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Affiliation(s)
- Christian Schuster
- Department of Environmental Dermatology and Allergy, Medical University of Graz, Austria.
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Affiliation(s)
- Naoki Oiso
- Department of Dermatology, Saiseikai Tondabayashi Hospital, Tondabayashi, Osaka 584-0082, Japan.
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Anveden I, Lindberg M, Andersen KE, Bruze M, Isaksson M, Liden C, Sommerlund M, Wahlberg JE, Wilkinson JD, Willis CM. Oral prednisone suppresses allergic but not irritant patch test reactions in individuals hypersensitive to nickel. Contact Dermatitis 2004; 50:298-303. [PMID: 15209811 DOI: 10.1111/j.0105-1873.2004.00340.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A multicentre, randomized, double-blind, crossover study was designed to investigate the effects of prednisone on allergic and irritant patch test reactions. 24 subjects with known allergy to nickel were recruited and patch tested with a nickel sulfate dilution series in aqueous solution, 5% nickel sulfate in petrolatum and 2 dilution series of the irritants nonanoic acid and sodium lauryl sulfate. The subjects were tested x2, both during treatment with prednisone 20 mg oral daily and during placebo treatment. The total number of positive nickel patch test reactions decreased significantly in patients during prednisone treatment. The threshold concentration to elicit a patch test reaction increased and the overall degree of reactivity to nickel sulfate shifted towards weaker reactions. The effect of prednisone treatment on the response to irritants was divergent with both increased and decreased numbers of reactions, although there were no statistically significant differences compared with placebo. It is concluded that oral treatment with prednisone suppresses patch test reactivity to nickel, but not to the irritants tested.
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Affiliation(s)
- Ingegärd Anveden
- Department of Medicine, Karolinska Institutet and Stockholm Centre for Public Health, Stockholm, Sweden
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Pedersen LK, Haslund P, Johansen JD, Held E, Vølund A, Agner T. Influence of a detergent on skin response to methyldibromo glutaronitrile in sensitized individuals. Contact Dermatitis 2004; 50:1-5. [PMID: 15059095 DOI: 10.1111/j.0105-1873.2004.00259.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The present study was undertaken to evaluate the combined effect of the preservative methyldibromo glutaronitrile (MDBGN) and sodium lauryl sulfate (SLS) on the elicitation response of allergic contact dermatitis. 20 volunteers with contact allergy to MDBGN were patch tested with 5 concentrations (10, 50, 100, 500 and 1000 p.p.m.) of MDBGN alone and in combination with 0.25% SLS on the upper arms for 24 h. Skin reactions were evaluated by clinical scoring, and data were evaluated by logistic dose-response models. Additionally, evaluation of skin reactions was performed by measurement of transepidermal water loss (TEWL) and skin colour. Measurements were obtained at baseline and at D3 and D7. As evaluated by clinical assessment, allergic reactions to MDBGN were elicited at lower concentrations when applied in combination with SLS than when applied alone. The response was augmented by a factor of 6.4. An increased response to combined exposure to SLS and MDBGN as compared with MDBGN alone was confirmed by TEWL and colour measurements. Effects of exposure time and concentration of the detergent are discussed. In conclusion, an augmented response was found after concurrent application of MDBGN and SLS. The response was augmented by a factor of 6.4, with confidence limits of 2.8-14.6 (P < 0.0001). This result is important in relation to the determination of threshold values and the risk assessment of contact allergens in consumer and industrial products, where allergens are often present in combination with surfactants.
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Abstract
Irritant contact dermatitis is defined as a non-immunological skin reaction following exposure to various chemical, mechanical and physical factors. It is known that the skin response to irritants depends on the irritant applied and differs between chemically different irritants. Sodium lauryl sulfate (SLS) is an anionic detergent and the most frequently used substance in experimental irritant contact dermatitis. In 1980, it was suggested that nonanoic acid (NNA) could be used as a positive control when patch testing. Since then, NNA has been used as an experimental irritant in several studies and has been used as a chemically different substance compared to SLS. The present article presents a review of the application of NNA in studies on skin irritancy and experimental irritant contact dermatitis.
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Affiliation(s)
- Jan E Wahlberg
- National Institute of Working Life, Karolinska Institutet and Stockholm Centre of Public Health, Stockholm, Sweden
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