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PubMed1987

Contact dermatitis to fragrances.

2 groups of patients (1200 and 1500 respectively) were patch tested with different concentrations of perfume mix and fragrance raw materials. The study was to evaluate the incidence of contact dermatitis to fragrances in Roma, Italy, and the influence of limited variations in fragrance and perfume mix concentrations on patch test responses. The results showed that a decrease in the perfume mix concentration from 16% to 8% correlated with a decrease in the % of positive patients (from 5.2% to 3.6%). Variations in the concentration of fragrance raw materials did not influence the % of positive reactions in the 2 groups. The perfume mixture at 16% or 8% gave some positive results, without a corresponding reaction to any of the constituents, that were not related to an excited skin syndrome.

Adult↗
PubMed2005

[The Book of the Eparch, by Leo VI: interest for the history of pharmacy].

In 1893, Jules Nicole discovered a greek manuscript, named Genevensis 23, which proved to be the Book of the Eparch. This document contained the regulations for trade guilds in Constantinople, at the end of the IXth century and the beginning of the Xth century. It had been published by Emperor Leo VI, who reigned upon the Byzantine Empire from 886 to 911. Three professions mentioned in this book have some interest for history of pharmacy: wax chandlers, spicers and perfumers. The differences between spicers and perfumers consisted in the kind of products they sold and in the way they weighed these products. Spicers were, at the time, far from pharmacy, because they sold mainly food and no spices, while the perfumers dealt with spices and perfumes. Anyway, none of these professions was involved in preparing medicines. No mention was made of pigmentarioi in the Book of the Eparch and that raised the question of the part really played by these so-called "pigment makers" in the preparation and the dispensation of medicines. The role of physicians remained preeminent in supplying patients with drugs.

Byzantium↗
PubMed1987

[Reactions to fragrances and textiles].

Allergic reactions to fragrances are caused by perfumes and perfume-containing items of our environment. The most important allergen is cinnamic aldehyde. By means of the mixed perfume test recommended by the International Contact Dermatitis Research Group (ICDRG), however, we are not able to detect more than half of the patients suffering from perfume allergy. Thus we suggest to make use of two new test series comprising most of the relevant fragrance components. Allergic reactions to textiles are mostly due to textile dyes. Special regard must be given to the disperse dyes of the azo group in nylon stockings and tights. The three most important allergens are disperse yellow 3, disperse orange 3, and disperse red 1. According to our experiments, the sensitizing potency of these dyes is comparatively low. In contrast, two recently introduced azo dyes (disperse blue 106 and 124), which are mainly used in blouses and trousers, proved to be strong sensitizers.

Dermatitis, Contact↗
PubMed2006

Orchid bees don't need orchids: evidence from the naturalization of an orchid bee in Florida.

Almost 200 species of orchid bees are the exclusive pollinators of nearly 700 specialized orchids in the neotropics. This well-known mutualism involves orchids, called perfume orchids, which produce species-specific blends of floral fragrances, and male orchid bees, which collect and use these fragrance compounds during their courtship. We report here the naturalization of an orchid bee, Euglossa viridissima, in southern Florida, USA, where perfume orchids are absent. Chemical analysis of the contents of the fragrance storage organs in the hind tibias of 59 male bees collected in Florida identified 55 fragrance compounds, including 27 known from the perfumes of nine species of E. viridissima's orchid mutualists in Mesoamerica. Aromatic leaves, such as basil, were found to be important surrogate sources of needed fragrance compounds in Florida. The bee's ability to live and become abundant in the absence of its orchid mutualists suggests that the orchid bee-perfume orchid mutualism may be facultative for the bees, even though it is obligatory for the orchids. This invasive bee visits and potentially pollinates the flowers of many plants in Florida, behavior that could promote the abundance of selected exotic and native species.

Animal Communication↗
PubMed1979

Failure of deodorized males to induce oestrus in the wild mouse.

The ability of female mice to return to oestrus following exposure to males perfumed either with oil of wintergreen or with the commercial perfume, "Kanta" was evaluated. Unisexual grouping of female mice induced anoestrus in all individuals. Oestrus was, however, promptly induced in the majority of unisexually grouped females by exposure to normal males. By contrast, exposure to perfumed males failed to induce oestrus in unisexually grouped females. The results suggest that male urine which is the source of the primer pheromone involved in the induction of oestrus was ineffective because of the masking effect of artificial scents. Hence the unisexually grouped females were unable to perceive the pheromone from males and continued to remain in anoestrus following exposure to perfumed males. The results provide additional evidence in support of the view that the urinary pheromone produced by males induces oestrus in females by acting through olfactory pathways.

Animals↗
PubMed2001

Trends in the musk xylene concentrations in plasma samples from the general population from 1992/1993 to 1998 and the relevance of dermal uptake.

OBJECTIVES: Musk xylene (MX), an environmentally important nitromusk compound, is used in different fragrances and soaps as substitute for natural musk. MX is known to occur in breast milk and plasma samples from the general population. Biological monitoring was carried out to study the change in MX concentrations in plasma from the general population over a period of about 6 years. METHODS: Forty-one human plasma samples from the general population were collected and analyzed in 1998. The MX concentrations in plasma were compared with those in samples collected from the general population in 1992/1993. In order to study possible routes of exposure, we also analyzed perfumes (n = 8), various body-care products (n = 17), and detergents (n = 5) in the households from the persons who were exposed in 1998. The body-care products or the detergents were used every day or at least 3 -4 times per week. RESULTS AND DISCUSSION: A remarkable decrease in MX levels was found on comparing the values from 1992,1993 and 1998. In 1998 12% (five out of 41) of the samples analyzed yielded positive results for MX (median: <0.1 microg/l, range: <0.1-0.29 microg/l), while in 1993 MX was found in 92% (66 out of 72) of the samples (median: 0.24 microg/l, range: <0.1- 1.12 microg/l). The observed decrease is explained by the discontinued use of MX in detergents in Germany since 1993. As a consequence, no MX could be found in the investigated detergents in the present study. However, MX could be analyzed in at least one perfume and/or perfumed bodycare product of the exposed individuals. The concentrations were in the range between 8.8 and 28.8 mg/kg in the investigated products. Because other confounding factors, e.g. diet and occupational exposure, could be excluded, the results point to the possibility that MX can be taken up through the skin. However, the small number of investigated persons limits this assumption.

Adult↗
PubMed1989

How to instruct patients sensitive to fragrances.

Patients who are sensitive to fragrances should either use fragrance-free cosmetics or undergo a repeat open application test to the cosmetic or perfume to determine sensitivity. Unusual reactions include systemic contact dermatitis due to balsam of Peru, benzyl alcohol, and menthol. Some responses involve pigmented eruptions due to phototoxic or photoallergic agents in perfumes and incense. Other reactions include consort dermatitis and reactions to toothpastes, gum and perfumes in paper products, sanitary napkins, ostomy pastes, and detergents.

Balsams↗
PubMed1991

Pigmented contact dermatitis due to musk moskene.

Musk moskene is a soft, sweet fragrance resembling musk ambrette which introduces a very desirable creamy powder note for cosmetic fragrance. Because of its advantages, which include low cost, oil solubility, and less sensitive to sunlight, musk moskene has recently increased its share of the market. In this paper, we reported a case with pigmented contact dermatitis from musk moskene in cheek rouges. Patch test positive reactions to cheek rouges resulted in hyperpigmentation. Both the perfume used in the cheek rouges and musk moskene, which was a component of that perfume, showed strongly positive reactions. Residual hyperpigmentation was seen on the regions of the perfume and musk moskene patch testings. Hyperpigmentation on cheeks of the patient gradually diminished after discontinuing use of the causative cheek rouge.

Adult↗
PubMed1999

Suspected fragrance allergy requires extended patch testing to individual fragrance allergens.

This study has been performed to evaluate the efficacy of fragrance mix (FM) as a screen for fragrance allergy. Patients were included if they had had positive allergic reactions to FM, to 1 of the 8 ingredients of FM, to 1 of 14 other fragrance materials, or to their own perfume. 91 patients were studied. There were 65 women and 23 men (in 3, their sex was not recorded) allergic to FM on patch testing. The mean (+/-SD) age was 48.4+/-18.6 years. 22 patients gave a past history of atopic eczema. Dermatitis of the hands (31%) and face (26%) were the most common presenting complaints. 85 patients (93%) had a positive allergic patch test reaction to FM. 22 of the 40 tested to the extended fragrance series were positive to other perfumes as well, and of these, there were 14 reactions (in 9 patients) to allergens not in the FM. In addition, 6 patients were positive only to separately tested fragrance constituents and not to the FM. In conclusion, FM is an accurate screen for fragrance contact sensitivity. However, patch testing to an extended series is needed if there is clinical suspicion of perfume allergy, as otherwise about 7% of patients allergic to fragrances will be missed.

Adult↗
PubMed2003

Fragrance contact allergy: a clinical review.

Most people in modern society are exposed daily to fragrance ingredients from one or more sources. Fragrance ingredients are also one of the most frequent causes of contact allergic reactions. The diagnosis is made by patch testing with a mixture of fragrance ingredients, the fragrance mix. This gives a positive patch-test reaction in about 10% of tested patients with eczema, and the most recent estimates show that 1.7-4.1% of the general population are sensitized to ingredients of the fragrance mix. Fragrance allergy occurs predominantly in women with facial or hand eczema. These women typically have a history of rash to a fine fragrance or scented deodorants. Chemical analysis has revealed that well known allergens from the fragrance mix are present in 15-100% of cosmetic products, including deodorants and fine fragrances, and most often in combinations of three to four allergens in the same products. This means that it is difficult to avoid exposure, as products labelled as 'fragrance free' have also been shown to contain fragrance ingredients, either because of the use of fragrance ingredients as preservatives or masking perfumes, or the use of botanicals. About 2500 different fragrance ingredients are currently used in the composition of perfumes and at least 100 of these are known contact allergens. Therefore, it is advisable to supplement standard patch testing with the patient's own stay-on cosmetic products, as well as the fragrance chemical hydroxyisohexyl-3-cyclohexane carboxaldehyde, which on its own gives responses in 1-3% of tested patients. The focus in recent years on the ingredients of the fragrance mix will probably result in the fragrance industry changing the composition of perfumes, and thus make the current diagnostic test less useful. New diagnostic tests are under development to identify contact allergy to new allergens, reflecting the continuous developments and trends in exposure.

Cosmetics↗
PubMed1990

Stud male-induced protection of implantation in food-deprived mice: masking effect of an artificial scent on pheromonal odour.

In contrast to unscented stud males, stud males anointed with a commercial perfume failed to protect implantation in food-deprived females. It is suggested that the failure of perfumed stud males to protect pregnancy in their coital partners is due to the masking effect of the perfume on the stud male-originating olfactory cue which stimulates luteotrophic activity in females. The results are also consistent with the view that the newly inseminated female mouse identifies the stud male as an individual through a pheromonal cue and this is involved in the protective effect on implantation in the food-deprived female.

Animals↗
PubMed1998

Identification of risk products for fragrance contact allergy: a case-referent study based on patients' histories.

BACKGROUND: Fragrances are the first or second most common cause of contact allergy in dermatitis patients. OBJECTIVE: The aim of this study was to identify risk products for fragrance contact allergy. METHODS: The design was a case-control study with a case group of 78 fragrance-mix-positive eczema patients and two control groups, one consisting of 1,279 subjects selected as a random sample of the general population and the other consisting of 806 fragrance-mix-negative eczema patients. The identification of risk products was based on the patients' histories of rash to scented products. Analysis of the associations between first-time rash caused by different specified product categories and fragrance mix sensitivity was performed using logistic regression. RESULTS: It was found that first-time rash caused by deodorant sprays and/or perfumes were related to fragrance contact allergy in a comparison with both control groups. The risk (odds ratio) of being diagnosed as fragrance allergic was 2.3 to 2.9 greater in cases of a history of first-time rash to deodorant sprays and 3.3 to 3.4 greater in cases of a history of rash to perfumes than if no such history were present. First-time rash to cleansing agents, deodorant sticks, or hand lotions was also statistically significant but only in comparison with one of the control groups. CONCLUSION: Safety evaluation of fragrance materials used in perfumes and deodorant sprays should be performed with special attention.

Adult↗
PubMed1998

A study of new fragrance mixtures.

OBJECTIVE: To determine the frequency of responses to four mixtures of fragrance materials in routine clinic patients undergoing patch testing for suspect allergic contact dermatitis. The validity of using fragrance mixtures alone, or in combination, was evaluated in terms of predicting allergy to fragrance judged on the basis of finding a response to at least one of the fragrance mixtures. METHODS: A total of 752 subjects were patch tested in five centers worldwide with (1) fragrance mix 8% (FM), (2) balsam of Peru 25%, (3) a mixture of seven of the eight FM 8% ingredients and other fragrance ingredients including jasmine absolute (jasmine/FM mix), and (4) a mixture of five selected natural fragrance ingredients (NM). RESULTS: Of 752 subjects, 100 (13%) had positive patch tests to at least one of the four fragrance mixtures. The age of the patients was 45.2 +/- 18.3 years (mean +/- SD). Ninety-six percent were Caucasian. Facial eruptions and hand involvement were the most common topographic sites. Of subjects exhibiting a positive response, 67% reacted to FM, 63% to the jasmine/FM mix, 47% to the NM, and 38% to balsam of Peru. Testing with FM and NM identified 84% of the perfume-allergic patients. FM 8% tested simultaneously with the jasmine/FM mix identified 86% of the perfume-allergic patients. Testing simultaneously with three test materials combining either the NM or the jasmine/FM mix with balsam of Peru and FM identified 95% of the perfume-sensitive patients. CONCLUSIONS: The simultaneous testing of NM or jasmine/FM mix, in addition to the conventional use of FM 8% and balsam of Peru, increases the sensitivity of testing for fragrance allergy from 81% to 95%.

Balsams↗
PubMed2000

Orbital cortex neuronal responses during an odor-based conditioned associative task in rats.

Neuronal activity in the rat orbital cortex during discrimination of various odors [five volatile organic compounds (acetophenone, isoamyl acetate, cyclohexanone, p-cymene and 1,8-cineole), and food- and cosmetic-related odorants (black pepper, cheese, rose and perfume)] and other conditioned sensory stimuli (tones, light and air puff) was recorded and compared with behavioral responses to the same odors (black pepper, cheese, rose and perfume). In a neurophysiological study, the rats were trained to lick a spout that protruded close to its mouth to obtain sucrose or intracranial self-stimulation reward after presentation of conditioned stimuli. Of 150 orbital cortex neurons recorded during the task, 65 responded to one or more types of sensory stimuli. Of these, 73.8% (48/65) responded during presentation of an odor. Although the mean breadth of responsiveness (entropy) of the olfactory neurons based on the responses to five volatile organic compounds and air (control) was rather high (0.795), these stimuli were well discriminated in an odor space resulting from multidimensional scaling using Pearson's correlation coefficients between the stimuli. In a behavioral study, a rat was housed in an equilateral octagonal cage, with free access to food and choice among eight levers, four of which elicited only water (no odor, controls), and four of which elicited both water and one of four odors (black pepper, cheese, rose or perfume). Lever presses for each odor and control were counted. Distributions of these five stimuli (four odors and air) in an odor space derived from the multidimensional scaling using Pearson's correlation coefficients based on behavioral responses were very similar to those based on neuronal responses to the same five stimuli. Furthermore, Pearson's correlation coefficients between the same five stimuli based on the neuronal responses and those based on behavioral responses were significantly correlated. The results demonstrated a pivotal role of the rat orbital cortex in olfactory sensory processing and suggest that the orbital cortex is important in the manifestation of various motivated behaviors of the animals, including odor-guided motivational behaviors (odor preference).

Animal Feed↗
PubMed2004

Estimated exposure to phthalates in cosmetics and risk assessment.

Some phthalates such as di(2-ethylhexyl) phthalate (DEHP) and dibutyl phthalate (DBP) and their metabolites are suspected of producing teratogenic or endocrine-disrupting effects. To predict possible human exposure to phthalates in cosmetics, the levels of DEHP, diethyl phthalate (DEP), DBP, and butylbenzyl phthalate (BBP) were determined by high-performance liquid chromatography (HPLC) in 102 branded hair sprays, perfumes, deodorants, and nail polishes. DBP was detected in 19 of the 21 nail polishes and in 11 of the 42 perfumes, and DEP was detected in 24 of the 42 perfumes and 2 of the 8 deodorants. Median exposure levels to phthalates in cosmetics by dermal absorption were estimated to be 0.0006 g/kg body weight (bw)/d for DEHP, 0.6 g/kg bw/d for DEP, and 0.103 g/kg bw/d for DBP. Furthermore, if phthalates in cosmetics were assumed to be absorbed exclusively via 100% inhalation, the median daily exposure levels to phthalates in cosmetics were estimated to be 0.026 g/kg bw/d for DEHP, 81.471 g/kg bw/d for DEP, and 22.917 g/kg bw/d for DBP, which are far lower than the regulation levels set buy the Scientific Committee on Toxicity, Ecotoxicity, and the Environment (CSTEE) (37 g/kg bw/d, DEHP), Agency for Toxic Substances and Disease Registry (ATSDR) (7000 g/kg bw/d, DEP), and International Programme on Chemical Safety (IPCS) (66 g/kg bw/d, DBP), respectively. Based on these data, hazard indices (HI, daily exposure level/regulation level) were calculated to be 0.0007 for DEHP, 0.012 for DEP, and 0.347 for DBP. These data suggest that estimated exposure to-phthalates in the cosmetics mentioned are relatively small. However, total exposure levels from several sources may be greater and require further investigation.

Absorption↗
PubMed2005

Airborne chemicals cause respiratory symptoms in individuals with contact allergy.

Exposure to fragrance chemicals causes various eye and airway symptoms. Individuals with perfume contact allergy report these symptoms more frequently than individuals with nickel allergy or no contact allergies. However, the associations between contact allergy and respiratory symptoms elicited by airborne chemicals other than perfumes are unclear. The study aimed to investigate the association between eye and airway symptoms elicited by airborne chemicals (other than perfumes) and contact allergy in a population-based sample. A questionnaire on respiratory symptoms was posted, in 2002, to 1189 individuals who participated in 1997/1998 in a Danish population-based study of allergic diseases. Questions about eye and airway symptoms elicited by different airborne chemicals and airborne proteins were included in the questionnaire. Data from the questionnaire were compared with data on patch testing and prick testing. Having at least 1 positive patch test (adjusted odds ratio 1.7, 95% CI 1.2-2.5) was associated with the symptoms, and the odds ratio increased with the number of positive patch tests (P-value for test for trend <0.05). Bronchial hyperreactivity, female sex and psychological vulnerability were independently associated with symptoms, but no association was found between prick test reactivity to proteins and the symptoms elicited by airborne chemicals.

Adult↗
PubMed1987

Do positive nickel reactions increase nonspecific patch test reactivity?

The patch test reaction pattern in nickel-positive and -negative female patients was compared. Cobalt allergy was found in 24.8% of the positive patients. However, the occurrence of allergy to other common agents, i.e., neomycin, perfume mix, balsam of Peru and bacitracin, did not differ significantly between the 2 groups. Even in patients allergic to nickel and cobalt simultaneously, the frequencies were comparable. Chromate and PPDA allergy was significantly commoner in nickel sensitive patients (p less than 0.05 and p less than 0.01). Erythematous or follicular reactions were seen most often to wood tars, propylene glycol, formaldehyde, cobalt, chromate and perfume mix. Reactions to propylene glycol and perfume mix were as frequent in both groups, whereas formaldehyde, cobalt and chromate caused reactions more often in nickel-positive patients (p less than 0.05) and wood tars in negatives (p less than 0.05). Follicular reactions developed especially in patients who were positive to nickel and cobalt. The total number of non-specific reactions was not overpresented in nickel sensitive patients, despite their multiple patch test reactivity.

Allergens↗
PubMedDate not supplied

Odor sensitivity and respiratory complaint profiles in a community-based sample with asthma, hay fever, and chemical odor intolerance.

This is a community-based study of odor sensitivity and respiratory complaints for persons reporting asthma (n = 14/141), hay fever (n = 72/140), and chemical odor intolerance (CI) (n = 41/181). CI, a symptom of multiple chemical sensitivity (MCS), was determined from self-ratings of feeling 'moderately' to 'severely' ill using the Chemical Odor Intolerance Index (CII). Index odors included perfume, pesticide, drying paint, new carpet odor, and car exhaust. Six additional odors [natural gas, disinfectants, chlorinated water, room deodorizers, and environmental tobacco smoke (ETS)] were also assessed in the health and environment survey. Asthmatics reported feeling 'frequently' to 'almost always' ill from the CII index odors of drying paint, new carpet odor, perfume, and cleaning agents compared to nonasthmatics. People with hay fever documented feeling 'frequently' to 'almost always' ill from pesticides, drying paint, and car exhaust compared to individuals without hay fever. The CI cited illness from air freshener, natural gas and chlorinated water, in addition to the index odors of perfume, paint, pesticides, new carpeting and auto exhaust. All three groups were significantly more likely to report feeling ill from ETS. People with asthma were significantly more likely to report lower lung complaints, such as wheeze and dyspnea. People with hay fever cited more chest tightness. The CI were significantly more likely to report upper and lower respiratory symptoms. Given this overlap in respiratory complaints, it could be that CI may serve to amplify these traditional immune-related disorders and/or suggest that having asthma or hay fever could make one more vulnerable to CI.

Adolescent↗