You have normal skin if you observe fresh, velvety, rosy, firm, fine-pored, non-sensitive, blemish-free skin with very slightly oily T-zone.
You have dry skin if you observe fine-pored, seldom oily, dehydrated, easily wrinkled, tight, pale skin.
You have sensitive skin if you observe red, flaky, thin, itchy skin, possibly with constantly reddened cheeks/nose area (visible blood vessels).
Sensitive Combination Skin
You have sensitive-combination skin if you observe red, large-pored, possibly blemished skin, with oily T-zone and dry cheeks.
You have combination skin if you observe a Blemished T-zone, large-pores, oiliness, and dry cheeks.
Blemished, Oily Skin
Blemished skin that quickly becomes oily is often accompanied by large pores.
Mature skin is characterized by declining elasticity of the skin, wrinkling, thinness, increased dryness, possibly constantly reddened cheek/nose areas (visible blood vessels), and menopause-induced age spots.