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April 9, 2019 | Scientific publications

Limonene and Linalool hydroperoxides: Exposure source for skin sensitizing remains elusive pro

IDEA’s work on a market surveillance study on Limonene and Linalool hydroperoxides in finished consumer products has been published in Food and Chemical Toxicology. Conclusion: the nature and source of the inducing agent responsible for the frequent positive patch test reactions to oxidized terpenes remains elusive.

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17 June 2013 Scientific publications

New nano-needle helps uncover secrets under the skin

Researchers at the University of Bath are using a pioneering technique to study the properties and characteristics of our skin, in tests that could pave the way for new treatments for dermatitis, and for an improved understanding of the skin aging process.

04 June 2013 Scientific publications

New test predicts reactions to cosmetics

A simple lab-based skin test which eliminates the risk of adverse reactions to new drugs, cosmetics and household chemicals has been developed by a Newcastle University team. It uses real human skin and immune cells to show any reaction such as a rash or blistering indicating a wider immune response ...

The powerful limonene/linalyl acetate combination in the bergamot orange essential oil

An Italian researchers’ team has cleared up the implication and linalyl acetate in cytotoxicity induced by bergamot essential oil in human neuroblastoma cells. While these ingredients are not active when alone, their action is vastly different when blended.

Sunscreens (almost) as protective as clothes

Sun damage is the most important environmental factor associated with malignant melanoma. To address the health threat, as well as the economic burden, primary prevention and early detection are crucial. Sunscreen vs. a physical barrier: Spanish researchers have tried to find out which were most effective in preventing skin cancer.

The announced end of grey hair pro

Hair dye manufacturers are on notice: the cure for gray hair is coming. That's right, the need to cover up one of the classic signs of aging with chemical pigments will be a thing of the past thanks to a team of European researchers. This new research published in ...

29 April 2013 Scientific publications

Exposure data for baby and children care products

The aim of this research, published by the Food and Chemical Toxicology scientific journal, was to obtain exposure data for children cosmetic products. As there are not any available data of this kind in literature, researchers from Pierre Fabre Laboratories, in association with a French university, decided to publish some ...

17 April 2013 Scientific publications

Nano-zinc toxicity toward aquatic environment

Nano-zinc is, again and again, questioned. It is the topic of studies to evaluate its toxicity to the human race or to the environment. The one displayed underneath has been performed by a team of Chinese researchers, and fingers out the harmful effects of this substance on aquatic organisms. It ...

12 April 2013 Scientific publications

Perfumes responsible for autism?

The hypothesis comes from a Californian team of researchers, who say they prove it: perfumes and cosmetics may play a major role in autism pathogenesis (the processes that cause it). Questioned: the mutagenic, neurotoxic and neuromodulatory substances they contain. The study is released in the Medical Hypotheses scientific journal.

VKM's risk assessment of the exposure to aluminium
11 April 2013 Scientific publications

Aluminium: an excessive exposure via cosmetics

Another incriminatory document against aluminium in cosmetics. After a recent report by the Norwegian Scientific Committee VKM, using them daily, especially in antiperspirants, leads to an exposure to aluminium far beyond the acceptable weekly exposure; further, this exposure is well above that from diet.

01 April 2013 Scientific publications

Data to assess exposure to cosmetic products

Complete information regarding the use of personal care products (PCPs) by consumers is limited, but such information is crucial for realistic consumer exposure assessment. To fill this gap, a database was created in Netherlands with person-oriented information regarding usage patterns and circumstances of use for 32 different PCPs

28 March 2013 Scientific publications

A Cosmetics Europe study on the ocular irritation prediction

This multi-laboratory pre-validation of the SkinEthic™ reconstituted human corneal epithelium test method for the prediction of eye irritation was conducted by Cosmetics Europe. Among others, the following laboratories are involved in this study: L'Oreal, Pierre Fabre, Janssen, Henkel, Procter & Gamble, Unilever, Links, Beiersdorf, LVMH …

27 March 2013 Scientific publications

Occupational allergies in hairdressers and beauticians

Hairdressing and beauty professions are risky ones, exposed to sensitizing and/or irritant ingredients used in cosmetic products: shampoos, straightening products, fading products, perm products, exfoliants… Many are the cases of eczema, skin or respiratory tract allergies that are reported every year. La Revue Française d'Allergologie, the official journal ...

15 March 2013 Scientific publications

Two studies on nano-zinc

One of them is to be classified in the exculpatory file, while the other will support the incriminatory documents: nano-zinc is, again, questioned. The proceedings of its trial are going on, every time a scientific study is released on this topic. The two latest ones come, for the first, from ...

08 March 2013 Scientific publications

Published in Food and Chemical Toxicology, a study by American researchers provides an estimation of the safe use concentrations of Benzisothiazolinone in consumer cleaning products and sunscreens.

28 Feb. 2013 Scientific publications

Methoxy PEG-22/Dodecyl Glycol Copolymer: a case of acute dermatitis

A publication of Lille (France) dermatologists repots the case of an acute allergic contact dermatitis due to Methoxy PEG-22/Dodecyl Glycol Copolymer present in a cosmetic cold cream, on a 6-year-old girl. The details of this case is published in the Annales de Dermatologie et de Vénéréologie (Annals of Dermatology and ...

25 Feb. 2013 Scientific publications

Sunbeds drive anti-ageing cosmetics

A survey by Cancer Research UK (British association for the fight against cancer) shows impact of sunbed use on the fight against skin ageing. Sunbed users are twice as likely to use anti-ageing products as non-sunbed users.

Thinkstock/L'Observatoire des Cosmétiques
21 Feb. 2013 Scientific publications

European survey on the content of lead in lip products

Published in the Journal of Pharmaceutical and Biomedical Analysis, this study was performed on 223 lip products representing 55 brands. Conclusions: lipsticks contain more lead than glosses, and the cheapest products are those that contain the most.

17 Dec. 2012 Scientific publications

The special brain of perfumers

Areas (those linked to olfaction) that are more developed, and which enlarge with expertise … Researchers investigated the brains of professional perfumers and of student perfumers. They have found that the gray-matter of "noses" (the "nez", in French), the professionals who designed perfumes, is much different than the untrained people’s ...

The Observatory of Cosmetics
04 Dec. 2012 Scientific publications

Sunlight May Enhance Titanium Dioxide Nanoparticles skin penetration

The majority of scientific studies on Titanium Dioxide nanoparticles, used in cosmetic products and especially in sunscreens, conclude that they remain on the surface of the epidermis and do not penetrate the skin barrier. A recent study found that natural sunlight enhances their disaggregation and penetration, which may have important ...

11 Oct. 2012 Scientific publications

Sunscreen's unintended consequence: skin-harming oxidants

Chlorine in swimming pools can strip the coating off titanium dioxide nanoparticles in sunscreens that protect against UV radiation, leaving them able to react with water and form compounds that can contribute to skin damage and cancer. This is the conclusion of a study by U.S. researchers recently published ...

The Observatory of Cosmetics
05 Oct. 2012 Scientific publications

Do nanoparticles penetrate the skin?

Research by scientists at the University of Bath (UK) is challenging claims that nanoparticles in medicated and cosmetic creams are able to transport and deliver active ingredients deep inside the skin. After their study, even the tiniest of nanoparticles did not penetrate the skin’s surface and stayed on the ...

15 Aug. 2012 Scientific publications

Triclosan may impair muscle function

Triclosan, an antibacterial chemical widely used in hand soaps and other personal-care products, hinders muscle contractions at a cellular level, slows swimming in fish and reduces muscular strength in mice, according to researchers at the University of California, Davis, and the University of Colorado.

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17 April 2012 Scientific publications

Make-up, the right actions and the eyes good health

A Spanish study sets things off.  Irritant products, diversion of their use, incompatibility with contact lenses, and lack of hygiene may be the cause for eye irritations and visual impairments.  A summary.

21 Feb. 2012 Scientific publications

Nano-ingredients toxicity: studies and convergences

Obviously, some topics are more topical than others. Nano-ingredients are but an example. As a proof, several studies have been recently released, all detailing the potential toxicity of zinc oxide and titanium dioxide nanoparticles, used mainly in sunscreens. All the conclusions are in line with a call to prudence and ...

Aluminium-Breast cancer: the issue is raised again
09 Jan. 2012 Scientific publications

Aluminium-Breast cancer: the issue is raised again

The debate was thought to be over and aluminium salts totally uncorrelated with the development of breast cancer. A study conducted by researchers at the University of Geneva has relaunched it today, highlighting the harmful effects of aluminium salts in antiperspirants on human breast cells in vitro. If this study ...

CEA-L'Observatoire des Cosmétiques
31 Oct. 2011 Scientific publications

Titanium dioxide nanoparticles: a danger for the brain

Titanium Dioxide nanoparticles are used in consumer goods such as paints, self-cleaning coatings, medicines or cosmetics. They are often present in sunscreens, but also in toothpastes, face care creams… Researchers have found that they alter an essential physiological barrier that protects our brain from toxic substances. After their conclusions, a ...

Thinkstock/Cosmetics Observatory
31 Aug. 2011 Scientific publications

New cosmetic surfactants?

Soapy solutions that give a foam, nothing extraordinary; a soap foam stable for several months, even at 60°C (14°F), it is a bit more. Especially when this foam is produced from a natural substance and may be quickly destroyed, just by modifying its thermal environment; even more when it ...

Thinkstock/Cosmetics Observatory
19 July 2011 Scientific publications

Phthalates-based cosmetics are fattening

Almost every day, a piece of information is incriminating the endocrine disruptors, chemicals able to counter balance the smooth functioning of our hormonal system. Today, a team of American researchers points out phthalates in the overweight problem. Be aware that these "chemical calories" may also be present in the cosmetics ...

Georgi Georgiev/Thinkstock? Observatory of Cosmetics
23 March 2011 Scientific publications

Skin diseases and allergies: a genetic factor involved?

Since several years, it is known that genetic mutations of filaggrin (a protein involved in the skin barrier formation) may be the cause for skin diseases (atopic dermatitis, eczema) or have an influence on the seriousness of asthma-like lung diseases. A team of Scottish researchers has established a link between ...

10 March 2011 Scientific publications

Alert: Triclocarban in shower gels!

Already under scrutiny after several surveys targeted its safety, Triclocarban, a preservative used in washing gels and deodorants, is once more warned against.

Thinkstock - Observatoire des Cosmétiques
28 Jan. 2011 Scientific publications

Why are cosmetics becoming less efficient?

You've probably noticed that, at least once. One day --a gloomy one, for sure!-- this product that you like so much, this lotion, this shampoo, this moisturizing care that was nothing less than magic, suddenly loses its magic … It does not make it anymore, results are no longer ...

07 Dec. 2010 Scientific publications

Too much hygiene can cause allergies!

Being too clean may cause allergies and make you sick! This is suggested by a recent U.S. study which analyzed and compared the rate of Triclosan in urines to immune system deficiencies.

21 Nov. 2010 Scientific publications

New incriminating against the Butylparaben

Certainly, the trial heard cons parabens is not finished! Last piece made of record: a study showing its ability to impair sperm DNA …

Thinkstock - Observatoire des Cosmétiques
14 Oct. 2010 Scientific publications

Sunscreens: what to blame for allergies?

What is exactly the cause for more and more frequent allergic and photo-allergic reactions due to using sunscreen products? Which substance is the cause? An answer to these questions would improve our cosmetics and our safety against UV radiation. A team of Swedish researchers may provide us with possible answers.