AGING EFFECT OF THE SUN
The elasticity of the skin decreases due to excessive exposure to sunlight or increase in the use of tanning beds. This also dehydrates the skin and increases wrinkles in the skin. The moisture content is diminished considerably and also the dermal layer becomes thin because of the detrimental UVA and UVB rays. The continuous exposure to ultraviolet light UVA or UVB from sunlight accounts for 90% of the symptoms of premature skin aging. The photo aging effects, most of which, occur by twenty years of age. The amount of damage to the skin caused by the sun is calculated by the total lifetime amount of radiation exposure and the personīs pigment protection
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