(The 'greying of hair') - a pigment deficiency frequently seen in middle-aged people of either sex. Close examination of greying hair confirms that it is an illusion caused by the presence of white hairs among a percentage of normal dark pigmented hairs.
Tiny hair-like blood vessels, some of which carry nutrient to the hair growth matrix.
Small blood vessels which connect the arteries and veins that feed the hair.
A polymer on the basis of acrylic acid. Provides a thickening, gelling action and consistency regulator for cosmetic products.
Also known as a CO2 laser, these are commonly used to perform skin resurfacing..
This is the end of the active growth period, and is marked by changes occurring in the follicle.
A brief middle stage in the hair growth cycle, between active (anagen) and inactive (telogen) stages..
Positively charges the hair to provide manageability and reduces static.
Possessing a positive electrical charge. Cationic detergents are often used in shampoos because they reduce static electricity and leave the hair manageable.
The resting stage of the hair cycle.