Vitamin D status in patients with rosacea.

Background: Rosacea is a common chronic skin condition affecting the face. In recent years, significant evidence shows that vitamin D plays an important role in modulating the immune system. Vitamin D and its analogues via these mechanisms are playing an increasing role in the management of atopic dermatitis, psoriasis, vitiligo, acne and rosacea.

Allergic contact dermatitis to pure henna.

Henna is a naturally occurring brown dye made from the leaves of the tree Lawsonia inermis. The active ingredient of henna is lawsone (2-hydroxy-1, 4-naphthoquinone). It is traditionally used in Islamic and Hindu cultures as a hair coloring and as a dye for decorating the nails or making temporary skin tattoos.

Phytophotodermatitis due to Ficus carica.

The genus Ficus belongs to the Moraceae (the mulberry family). Figs can cause irritant or phototoxic reactions. Phytophotodermatitis is a common cutaneous phototoxic reaction.