منابع مشابه
Hair cosmetics: dyes.
Hair plays a significant role in body image, and its appearance can be changed relatively easily without resort to surgical procedures. Cosmetics and techniques have therefore been used to change hair appearance since time immemorial. The cosmetics industry has developed efficient products that can be used on healthy hair or act on concomitant diseases of the hair and scalp. Dyes embellish the ...
متن کاملContact Allergy to Hair Dyes
Many strong and extreme sensitizing chemicals, such as para-phenylenediamine (PPD), toluene-2,5-diamine (TDA) and other aromatic amines or cross-reacting substances, are ingredients in hair dye products. The chemistry of hair dyeing and the immunological reactions to the potent sensitizing hair dye components are complex and have not been fully clarified up until now. Recently 2-methoxymethyl-p...
متن کاملUse of hair dyes following chemotherapy.
A nswer: Hair provides no vital function but does protect the surface of the skin, conserves body heat, and contributes to self-image. Hair is associated with femininity (e.g., long hair) and masculinity (e.g., facial hair) and, for many, closely associated with sexuality (DeVillez, 2003; Ehmann, Sheehan, & Decker, 1991). Although not considered life threatening, chemotherapy-induced hair loss ...
متن کاملOccupational dermal exposure to permanent hair dyes among hairdressers.
Skin exposure to permanent hair dye compounds was assessed in 33 hairdressers using a previously evaluated hand rinse method. Hand rinse samples were collected from each hand before the start of hair dyeing, after application of the dye and after cutting the newly-dyed hair. Sixteen of the hairdressers did not use gloves during dye application, and none used gloves while cutting the dyed hair. ...
متن کاملUse of permanent hair dyes and bladder-cancer risk.
A population-based case-control study was conducted in Los Angeles, California, which involved 1,514 incident cases of bladder cancer and an equal number of age-, sex- and ethnicity-matched controls. Information on personal use of hair dyes was obtained from 897 cases and their matched controls. After adjustment for cigarette smoking, a major risk factor for bladder cancer, women who used perma...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1910
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(01)14294-7