The distinction – in the case of skin cancer, for instance – is ... aimed at differentiating the effects of intrinsic vs extrinsic factors. Our Stony Brook team used four approaches to reach ...

In particular, the cells in your skin are constantly replacing ... but may increase with stress. Extrinsic aging is a result of outside factors, like where you live and your lifestyle habits.

“In dermatology, our skin barrier is known as the epidermis,” explains dermatologist Dr. Mary Sommerlad. “It can be disrupted by intrinsic or extrinsic factors, and often a combination of bot ...

environmental or extrinsic factors (like excessive sun exposure or ... Dr. Bosley says that darker skin tones are more prone to that first category, specifically, post-inflammatory hyperpigmentation.

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On the other hand, extrinsic factors come from outside influences ... least SPF 30 is a great preventative step to protect your skin from UV rays and their damaging effects.

The thickness and density of skin layers vary among individuals, depending on their age, sex and genetic factors. For example, female adults and children typically have thinner skin than male ...