Intrinsic Aging:
- Description: Intrinsic aging is the genetic and biological process that occurs naturally over time.
- Characteristics:
- Loss of collagen and elastin, leading to decreased skin elasticity.
- Thinning of the skin, making it more susceptible to damage.
- Slower cell turnover, causing a dull appearance.
Extrinsic Aging:
- Description: Extrinsic aging refers to environmental factors that accelerate the aging process.
- Factors:
- Sun Damage: UV radiation breaks down collagen and elastin, leading to premature wrinkles and sagging.
- Smoking: Tobacco smoke contains toxins that damage skin cells and reduce blood flow, contributing to wrinkles.
- Pollution: Environmental pollutants can cause oxidative stress, leading to skin damage and accelerated aging.
Lifestyle Factors:
- Diet: Poor nutrition lacking in antioxidants can contribute to skin aging by failing to protect against free radicals.
- Hydration: Insufficient water intake can lead to dry skin, making lines and wrinkles more pronounced.
- Sleep: Lack of quality sleep can impair skin repair and regeneration, leading to a dull complexion and increased wrinkles.