角質

かくしつ

Common word

noun, no-adjective

•

keratin, corneum, cuticle, collagen, horny substance

角	angle, corner, square, horn, antlers
質	substance, quality, matter, temperament

しげき

うつづ

はだ

ほご

さよう

かくしつ

ひこう

、

かた

、

けあな

めだ

If it continues to be stimulated the skin's protective function causes thickening and it becomes stiff and hard with pores that stand out