The Sun
Regular exposure to the sun over a period of time can cause aging of the skin.Freckles, age spots, spider veins on the face, rough and leathery skin, fine wrinkles that disappear when stretched, loose skin, a blotchy complexion, actinic keratoses (thick wart-like, rough, reddish patches of skin) are symptoms of photoaging .fair skin develop more photoaging than dark skin but the photoaging depend on the intensity of exposure and color of skin.
Facial Expressions
Repetitive facial movements actually lead to fine lines and wrinkles. Each time we use a facial muscle, a groove forms beneath the surface of the skin, which is why we see lines form with each facial expression.
Gravity
Gravity constantly pulls the body and its effect is visible after the age of 50 when the skins elasticity drop dramatically
Sleep position
Sleeping is the wrinkles which are caused by resting your face on the pillow, in the same way, every night for years
Smoking
Smoking causes a biochemical reaction in the body which makes deeply wrinkled, leathery skin than a non-smoker.visible changes can saw in chronic smokers
Tips to reduce aging of skin
1.protect skin from sun
Always use sun protection methods like sun cream with SPF 30+, wearing hat, sunglasses and protective cloths.avoiding sun exposure at peak timing will reduce the intensity of sun rays.
2.use self-tanning than getting sun tan
Getting tanned by the sun and other forms of tanning methods like tanning beds and indoor equipment will accelerate premature aging of skin
3.quit smoking
Smoking makes skin complexion dull and sallow and causes wrinkles
4.eat healthy and well-balanced food
Eat plenty of fruits and vegetables to keep the elasticity and hydration of the skin.foods containing lots of sugar and refined carbohydrate can have a negative effect on the skin
5.excercise regularly
Regular exercise boost circulation and immune system