BACKGROUND Infestation with the human head louse (Pediculus humanus capitis) occurs worldwide. Existing treatment options are limited, and reports of resistance to commonly used pediculicides have been increasing. In this trial we assessed the efficacy of a product containing a high (92%) concentration of the silicone oil dimeticone (identical in composition to NYDA(R)), as compared to a 1% per...

Background: Sun protection materials have been one of the major concerns in pharmaceutical industry since almost one century ago. Various materials have been found to have such an effect but there are still many unknown substances that have not been discovered.Objective: To introduce a novel mineral-based sun lotion with considerable UV absorption properties compared to commercially available s...

A phytochemical investigation of the New Zealand endemic Apiaceae species Anisotome lyallii Hook.f. yielded (+)-alpha-angeloyloxylatifolone (1), 6-O-angeloyl-8-O-tigloyl-6beta,8alpha,11-trihydroxygermacra-1(10)E,4E-diene (2), 6-O-tigloyl-8-O-tigloyl-6beta,8alpha,11-trihydroxygermacra-1(10)E,4E-diene (3) and 6-O-tigloyl-8-O-tigloyl-1alpha,6beta,8alpha,11-tetrahydroxygermacra-4E,10-(14)diene (4)....

Background: Direct exposure to Solar radiation causes many harmful effects on the skin like suntan, sunburn, hyperpigmentation and ageing etc. To overcome these types of problems sunscreen applications can be helpful. In Ayurveda, authors explained Varnya Lepa drugs Raktachandana (Pterocarpus santalinus Linn.), Manjistha (Rubia cordifolia Linn), Lodhra (Symplocos racemosa Roxb), Kustha (Saussur...

We write to report false-positive results with an alcometer device (Lion S-D2 brand) when it is used in the vicinity of recently applied alcohol disinfectant hand rub. The Orchard Clinic is a medium secure forensic unit set within the grounds of the Royal Edinburgh Hospital. The use of an alcometer is essential in the treatment of Scottish government 'restricted' patients or if there is suspici...

The first reference to the use of silicones in cosmetics found by the author was an article published in 1953 [Ref 1]. Further articles rapidly followed as dermatologists evaluated the properties of this new class of materials as protective agents. The first paper to appear in the Journal of the Society of Cosmetic Chemists was in 1955 [Ref 2], which described methods to evaluate the relative c...

It was the spring of 1968, I was 19 years old and a sophomore at University of Illinois in Urbana, and I very much needed a job. A chemistry classmate had mentioned that he was working some afternoons in the research lab of an organic chemist, washing glassware and preparing solutions. I went to see my friend at work and meet his boss, who told me that he didn’t have another job available but s...

OBJECTIVE To compare the pediculicidal activity of 5 head lice products available in the United States on head lice from south Florida. DESIGN In vitro pediculicidal product comparison. SETTING Lice Source Services, Inc, located in Plantation, Fla, a clinic for the treatment and grooming of individuals with pediculosis capitis. PARTICIPANTS Head lice were collected from healthy clients wi...

In recent years, there is a considerable interest in the development of preservative-free or self-preserving cosmetics. The aim of our work was to develop new cosmetic formulations by replacing chemical preservatives with ingredients with antimicrobial properties that are not legislated as preservatives according to Annex VI of Commission Directive 76/768/EEC. This paper describes the preservat...