Red Seal Cosmetology Practice Exam

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Up to what percentage of skin aging is due to extrinsic factors?

  1. 100%

  2. 85%

  3. 50%

  4. 25%

The correct answer is: 85%

Skin aging is caused by both intrinsic (internal) and extrinsic (external) factors. Intrinsic factors are determined by our genetics and cannot be changed. Extrinsic factors, on the other hand, are influenced by our environment and lifestyle choices. These can include things like sun exposure, smoking, and diet. While both intrinsic and extrinsic factors contribute to skin aging, studies have shown that up to 85% of visible signs of aging are due to extrinsic factors. This means that our daily habits and exposure to the environment play a significant role in how our skin ages. Options A, C, and D are incorrect because they either overestimate or underestimate the impact of extrinsic factors on skin aging. Option A suggests that all skin aging is due to external factors, which is not true. Option C underestimates the impact of extrinsic factors by suggesting that only 50% of aging

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