What is the natural history of our scalp hair? We are born with a limited number of hair roots. Hair roots are in a continuous state of active growth, transition, and rest corresponding to the hair cycle of growth, shedding and renewal. The thousands of hair roots are in different stages of cycling which is [...]
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After the red pimples from acne subside, many people are left with dark marks and skin indentations or persistent elevations. Dark marks which are not indented are called pigmentation. These can be managed with surface treatments such as facials and exfoliating creams containing vitamin A. Red marks which are not indented are called erythema, and [...]
The skin is comprised of an outer layer of protein structures held together by oil, called lipids. Below this is the growing layer of skin cells, called keratinocytes, that continually replenish the outer layer which is continuously shed. Deeper to this is the dermal layer which contains structural components for strength, rigidity, and elasticity, and [...]