Skincare Ingredients– tagged "spf"

Sebaceous glands: Men have more of these oil-producing glands than women do. And in the T-zone – forehead, nose, cheeks and chin – they’re larger in size than anywhere else on your body, which means the "T" signifies Trouble.
Pore size: If you have oily skin, your nose may produce considerably more oil because your pores are naturally larger than other pores on the face.
Combination skin: For many men with an oily nose, it’s frustrating because the rest of their face might be dry. Combination skin Here's a blog article that explains in great detail why guys are so prone to oily skin.

Stands for "sun protection factor" and it's the single most important thing you can do for healthier skin over the long term.