Contact dermatitis. Toxic and irritant contact dermatitis. Allergic contact dermatitis (general aspects). Unusual manifestations of allergic contact sensitivity. Allergic contact dermatitis from topical drugs. Phototoxic and photoallergic contact dermatitis. The contact urticaria syndrome. Necrosis of the skin and the mucous membranes due to topical drugs. Acne-folliculitis. Discolouration of the skin and appendages. Stinging sensations due to ingredients of cosmetics and topical pharmaceutical preparations. Miscellaneous side effects. Drugs used on the mucosae. Local side effects of topical corticosteroids. Percutaneous absorption of topically applied drugs. Systemic side effects caused by topically applied drugs and cosmetics: Anaphylactic reactions to topically applied drugs and cosmetics. Toxic action of topically applied drugs and cosmetics. Systemic eczematous contact-type dermatitis medicamentosa. Side effects of photochemotherapy. Side effects of systemic drugs used in dermatology. Other therapeutic modalities. Cosmetics: Introduction. The spectrum of side effects of cosmetics. The frequency of adverse reactions to cosmetics and the products involved. Contact allergy to cosmetics. Patch testing with cosmetic preparations. Hair cosmetics. Face cosmetics. Nail cosmetics. Cosmetics for the body and parts of the body. Tabulation of ingredients of cosmetics: Antimicrobials and antioxidants. Fragrance materials. Colours. Sunscreens. Lipids and surfactants. Botanical ingredients. Miscellaneous cosmetic ingredients. Index.