| abstract |
The present invention provides a novel keratinization-inhibiting agent and pore-reducing agent having functions such as inhibition of keratinization and pore reduction, and further provides an external composition for skin having the above-mentioned functions. A glycine derivative, an aminodicarboxylic acid derivative, an acylaminodicarboxylic acid derivative, a pyrrolidinecarboxylic acid derivative, a piperidinecarboxylic acid derivative, a hexamethyleneiminecarboxylic acid derivative, a β-alanine derivative, and a salt of each of the aforementioned derivatives are selected. Inadequate keratinization inhibitor or pore reducing agent comprising one or more compounds. Furthermore, the skin external preparation for the suppression of keratinization and the skin external preparation for pore reduction containing the said keratinization inhibitor and the pore reducing agent. [Selection figure] None |