A cosmetic composition for the treatment of the hair and scalp comprises in a cosmetically acceptable vehicle a combination of a water soluble polyamide of the poly-beta-alanine type and a nicotinic derivative selected from nicotinic acid or an ester thereof. This composition is employed in a process for improving the regrowth of hair and for delaying or retarding the appearance of an oily aspect of the hair.
Disclosed are topical compositions for regulating the oily and/or shiny appearance of skin. The compositions contain: (a) an active for regulating the oily and/or shiny appearance of skin, said active consisting essentially of one or more compounds selected from the group consisting of niacinamide, pyridoxine, panthenol, and pantothenic acid, in an amount that is safe and effective for regulating the oily and/or shiny appearance of the skin; and (b) a cosmetically acceptable carrier for said active. Also disclosed are methods of regulating the oily and/or shiny appearance of skin by topical application of such compositions.
The present invention is directed to the transdermal administration of methyl nicotinate and an irritating or sensitizing drug. The invention includes a transdermal drug delivery device comprising a matrix adapted to be placed in irritating/sensitizing drug- and methyl nicotinate-transmitting relation with the skin site. The matrix contains sufficient amounts of irritating/sensitizing drug and of methyl nicotinate, in combination, to continuously administer to the skin for a predetermined period of time the drug to provide an effective therapeutic result. The invention is also directed to a method for either 1) preventing or reducing the irritation caused by an irritating drug or 2) preventing or reducing sensitization from occurring, as well as reducing or eliminating pain and discomfort occurring during the elicitation phase after sensitization has already been induced.
