Background and objectives: Persian scholars such as Avicenna and Zakariya al-Razi have pointed out many uses for henna oil. The present study aimed to propose a method for standardization of this oil. Methods: The luteolin content has been evaluated quantitively by HPTLC method to standardize the henna oil. The oil sample was applied on silicagel plate and the ...

Henna (Lawsonia inermis) inhibited inflammatory responses triggered by croton oil in mice ears and skin. Topical application of 0.5 or 1 mg henna extract (HE) to mice ears prior to application of 0.8 mg croton oil inhibited edema significantly (P < 0.02). The average weight of inflammated ear punches decreased by 64 and 87 %. Application of HE (5 or 10 mg) reduced, significantly (P < 0.05), Hyp...

Background: Persian Medicine is one of the oldest and richest complementary and alternative options in the field of medicine and has a comprehensive medical system. Henna oil is recommended in Persian Medicine for the treatment of numerous women’s diseases such as cervicitis. To date, henna has been used for many medical purposes, including astringent, bleeding, cardioinhibitory, hypotension, a...

BACKGROUND Diaper dermatitis (DD) is a common inflammatory disorder in infants, including newborns. OBJECTIVES This study aimed to compare the effects of a traditional medicine product (containing natural henna oil 25%) and hydrocortisone 1% cream on DD in infants. PATIENTS AND METHODS In a triple-blind, randomized trial, 82 children aged two years or less were randomly divided into two gro...

Henna stone is a lesser-known commercially available material used to obtain black henna paste (1). In some countries, including Turkey, local herb sellers sell it as ‘natural stone’, a so-called natural source for black henna. The stone has to be crushed into powder first, and then mixed with water, hydrogen peroxide and, sometimes, natural henna to obtain black henna paste for the purpose of ...

Allergic and irritant reactions to henna are rare. Para-phenylenediamine, which is sometimes added to obtain a dark, blackish henna, causes the majority of contact dermatitis reported related with tattoos. Allergic contact dermatitis due to temporary paint-on tattoo with black henna is described in two adolescents.

Phenotypic plasticity is ubiquitous and primarily controlled by interactions between environmental and genetic factors. The migratory locust, a worldwide pest, exhibits pronounced phenotypic plasticity, which is a population density-dependent transition that occurs between the gregarious and solitary phases. Genes involved in dopamine synthesis have been shown to regulate the phase transition o...

Henna is very popular in the United Arab Emirates (UAE); it is part of the culture and traditions. Allergy to natural henna is not usual; however the addition of para-phenylenediamine (PPD) to the natural henna increases the risk of allergic contact dermatitis. The objectives of the study were to identify the presence and concentration of PPD in henna available in UAE. Fifteen henna salons were...

Hypersensitivity to para-phenylenediamine (PPD) and related compounds induced by temporary black henna tattoos has become a serious health problem worldwide. Different patterns of sensitization with various clinical aspects are described in literature due to PPD associated to henna tattoo and these manifestations are likely correlated with the immunological and dermatological pathomechanisms in...

Henna, the dried and powdered leaf of Lawsonia inermis, is widely used as a dye for the skin, hair, and nails, and as an expression of body art, especially in Islamic and Hindu cultures. As it stains the skin reddish-brown, it is also called red henna. Black henna is the combination of red henna with p-phenylenediamine (PPD), and is used for temporary 'black henna tattoos'. This article provide...