Vitamin K is best known for its ability to help blood to clot. The “K” is taken from the German word “koagulation,” which means the formation of blood clots. Most creams that contain vitamin K harness this property to help solve a variety of skin problems.

As the skin ages, wrinkles form. Wrinkles around the corners of the mouth are caused by a variety of factors, including smoking and sun exposure, according to MedlinePlus. Repeating facial expressions also causes wrinkles in the corner of your mouth.

Although it's possible to have lovely skin at any age, skin care becomes a bit more challenging when you reach the age of 50. Natural oil production decreases after menopause, and the skin becomes drier and more fragile, states Dr. Rosemarie Ingleton, New York dermatologist, on the MSNBC Today Style website.

There are several causes for brown spots on your hands, not all of which have to do with a vitamin deficiency. Brown spots may be due to a lack of vitamin C or B12, anemia, weak liver function or cumulative sun damage. It’s important to investigate each potential cause; your doctor can help.

Cortisone cream relieves itch and inflammation attributed to skin rashes. Also called hydrocortisone, these types of products are not intended as skin moisturizers. Depending on the severity of your skin condition, your doctor may prescribe a stronger version than found in drugstores.

Sunscreen shields your body from cancer-causing UV rays, so it's important to slather it on whenever you go outside. That's especially true at the beach and pool -- water and sand reflect sunlight, so you're more likely to get burned without protection.

Keloids and pimples both affect the appearance of your skin but are different dermatological conditions. An outbreak of pimples often is called acne, and the individual bumps might be called zits, whiteheads, blackheads or blemishes.

Scarring is a normal result of the skin's healing process from cuts and scrapes. As your skin heals, excess collagen collects at the injury site, replacing the lost skin and protecting underlying tissue.

The skin on the palms of your hands is some of the most sensitive on the body, yet it is also subject to some of the heaviest use. You use your hands constantly, and if the skin on the palms of your hands is itchy or inflamed, this can have a serious effect on your ability to go about your daily activities.

Several factors can contribute to redness around your nose. These include cold or windy weather, rosacea, blemishes, broken blood vessels, irritation or simply having a fair-toned complexion.

You can often treat shallow acne scars with gentle fruit acids, castor oil and silicone gel, while deeper, pitted scars may require a dermatologist’s assistance. Start with all-natural treatments first -- if they reduce the appearance of scars, you won’t need to expose your skin to harsher chemical treatments.

Although you may have been born with baby-soft skin -- literally -- a lifetime of sun damage and exposure to the elements can take its toll in the form of rough, uneven skin texture. Facial skin is also thinner, more delicate and more susceptible to damage and dryness than the skin on the rest of your body.