As the body ages, the appearance and characteristics of the skin alter – say looks real ugly. The areas of skin exposed to the sunlights ultraviolet radiation suffer the most damage and expectedly age faster. It can occur at an early age in people who have spent much time outdoors and those who are often badly sunburned, particularly those who are fair skinned.
The dreaded process is known as photoageing. It is attributed to a combination of short wavelength (UVB) injury to the epidermis (outside layers of the skin) and long wavelength (UVA) to the dermis (middle layers).
Again, ultraviolet radiation is largely to blame. The continuous and profound effects of oxidation, ionisation and genetic changes of cellular components including DNA (deoxyribonucleic acid) Weakens the skins immune system. Hence, aging skin is prone to skin cancer.
Scarring from repeated inflammation due to sunburn (also acne and other skin diseases) increases dermal collagen and causes the dermis to lose elasticity. The epidermis becomes thinner so the skin easily dries up, blisters, and tears. The skin is weaker than normal and feels dry because it is less able to...
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