The most common cause of contact dermatitis in the United States and some other countries is poison ivy.
Especially, high accuracy models are required in the high-speed range, as the wave reflection becomes a major cause of contact loss [14].
The Ṣaṣti-tantra enumerates seven such relations, while the Vaiśeṣika-sūtra (VS 9.20) enumerates five: the relation of cause to effect, of effect to cause, of contact, of exclusion and of inherence.
Cosmetics have been demonstrated to be the cause of contact allergies and many of them contain acids, bases, inorganic salts, aldehydes, and surfactants, substances which can be corrosive or irritant at concentrations < 1% and would need to be considered with special care according to the CLP Regulation ([1] 3.2.3.3.4.1).
After nickel and chromium, cobalt is a major cause of contact dermatitis.
Nickel is an important cause of contact allergy, partly due to its use in jewellery intended for pierced ears.
Among various metals, nickel (Ni), when used in costume jewelry or dental alloys, is the most frequent cause of contact allergy [5] [7].
Historically this ingredient was believed to be a common cause of contact dermatitis.
A total of 100 documented telephone inquiries from January 2011 until March 2014 were summarized, analysed for caller and cause of contact.
The date of diagnosis recorded in this registry corresponds to the date of first contact (admission date) with the hospital department at which the cancer diagnosis was first registered as the primary cause of contact.
