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Positive patch test reactions to 2% cinnamic aldehyde were obtained from 2.8% of 34 males and 9.1% of 55 females. The 9.1% female reactivity may be traceable to perfumed cosmetics. Simultaneous Jasmin allergy is documented as is the occurrence of alpha-amyl cinnamic aldehyde in synthetic Jasmin. The
A patient had acute stomatitis and dermatitis due to a popular toothpaste containing cinnamon oil flavor. Cinnamon cassia oil is known as a topical sensitizer and was demonstrated to be the offending allergen. Cinnamic aldehyde and related chemicals are used widely, so that patients having cinnamon
Intraoral allergic contact dermatitis (ACD) is an uncommonly reported entity. The most commonly implicated allergens are metals that are incorporated into dental appliances. Intraoral ACD to nonmetal allergens is even less frequently described. Cinnamic aldehyde is widely used as a flavoring agent
In the last 7 years, we have studied 123 patients with allergic reactions to topical arylpropionic anti-inflammatory drugs. We have investigated the rate of sensitization and the irritant potential of one of them, ketoprofen, and its cross-reactivity with such other derivatives as ibuproxam,
Increasing frequencies of sensitization to the fragrance mix (FM) have been acknowledged as a serious problem for many years. It is well known that the single compounds (SCs) of the FM contribute differently to the FM patch rest reactions. In this study, we were interested in the time trends of the
BACKGROUND
Axillary dermatitis is common and overrepresented in individuals with contact allergy to fragrances. Many individuals suspect their deodorants to be the incriminating products.
OBJECTIVE
Our aim was to investigate the significance of cinnamic aldehyde in deodorants for the development of
The potential for cinnamic aldehyde, an important fragrance and flavour ingredient, to induce or to elicit delayed contact hypersensitivity reactions in man was evaluated by analysing patch-test data. Results of studies involving a total of 4117 patch tests on various consumer products and fragrance
Perioral leukoderma simulating vitiligo developed in a 25-year-old woman. A patch test to cinnamic aldehyde was positive; depigmentation was observed at the patch test site three months after initial application. No changes in pigmentation occurred from a concomitant allergic patch test reaction to
Lip swelling developed following the use of a cinnamic aldehyde-containing mouthwash in a woman with allergic rhinitis and asthma. Open application of the mouthwash on the antecubital fossae of the patient and control subjects produced immediate erythematous or urticarial responses in all tested
The present study summarizes information on toothpaste composition as supplied by the manufacturers. The survey covered 48 items, virtually all toothpastes offered for sale in Finland. It was concluded that the toothpastes are not entirely safe to use, because almost 50% of the products studied
A young Malay female presented with a bullous eruption as a manifestation of contact allergy to cinnamic aldehyde in cinnamon. The clinical and histological features resembled bullous pemphigoid but immunological markers for pemphigoid were absent. The patient responded to a short course of oral
BACKGROUND
In published reports from Europe, 3- and 4-(4-hydroxy-4-methylpentyl)cyclohexene-1-carboxaldehyde (HMPCC) (Lyral) has been described as a common cause of allergic contact dermatitis (ACD). In Europe, the rates of reaction to HMPCC among patients undergoing patch testing for suspected ACD
BACKGROUND
The incidence of allergy induced by fragrances, leading mostly to the development of contact dermatitis and urticaria chronica, has been growing in a large number of countries. In general, allergy is of non-occupational nature, however, it can also have traits of occupational exposure.
The murine local lymph node assay (LLNA) can be used to determine the relative skin sensitizing potency of chemicals via interpolation of the quantitative dose response data generated. Using this approach we have demonstrated previously that the vehicle matrix in which a chemical allergen is