Stitches are necessary if your skin cannot heal on its own after injury or surgical procedures. Since this disrupts your skin's natural healing process, the adjoining skin and stitched area may have a residual scar once healed. Ridding yourself of stitch scars on your face depends on size and severity.

Sodium bicarbonate, commonly referred to as baking soda, is commonly used to treat wounds at all stages of healing because of its disinfectant properties. Baking soda can help remove hardened scabs, prevent scars from forming and lower the risk of developing an infection at the site of a wound.

Shaving is a popular method of hair removal using single, double and even triple bladed razors to remove hair just above the surface of the skin. Although effective, shaving also increases your risk of cuts and nicks to the delicate skin. Some cuts and nicks do scar no matter how much care you take to prevent scarring.

If you've ever had a particularly itchy bug bite and scratched it raw, it may have left an unsightly scar. The best way to deal with scars is to prevent them by avoiding the temptation to scratch and applying moisturizing itch-relief cream.

Stitches involve sewing together sections of skin that have been separated because of injury or surgery. This procedure is necessary to facilitate the proper healing of wounds and to prevent infections.

Stretch marks develop because of pregnancy, weight loss or gain, growth spurts or hormones. These red, jagged lines can be alarming when they show up on your skin, but they usually fade to a silvery-white shade. Stretch marks never really go away, although you can cover them up if they bug you.

Acne -- an inflammatory skin condition featuring blackheads, whiteheads and pimples -- results from the clogging of your pores with skin oils, dead cells and bacteria. When inflammation goes deep enough, cystic acne can result.

Scars are a result of your body's natural healing process. When you have an injury, the process of inflammation causes your blood to carry white blood cells and microscopic fibers to the injured area. White blood cells attack bacteria and other microorganisms, and fibers begin to wall off and repair the damaged area.

A hypertrophic scar is a bump of raised scar tissue that forms around a piercing hole. Hypertrophic scars can occur with any piercing, but are particularly frequent with cartilage piercings on the ears or nostrils. According to master piercer Elayne Angel, author of "

Scarring from burns affects those who suffer first-, second- and third-degree burns without prejudice. Even the smallest burn can form a scar when left untreated due to the damaged skin and tissue.

Acne scars and stretch marks can be hard to deal with and accept, especially if they are noticeable to others. There are many ways to try and heal these types of marks, from creams to laser surgery. But there are also some liquid approaches that may help to heal the skin and prevent further damage.

Hyperpigmentation results from several conditions including scars from healed acne lesions and "liver spots" that are a product of the aging process. Hydroquinone, glycolic acid and kojic acid are each effective treatments for hyperpigmentation, according to MayoClinic.com.