Lose weight: Creating a calorie deficit that results in weight loss is hard work. Most recommendations say that to lose weight, you must exercise for at least an hour a day, five times a week. The type of exercise matters, too.
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia. hair shaft. the nongrowing portion of a hair that protrudes from the skin, that is, from the follicle. hair shaft. The keratinized portion of a hair that extends from a hair follicle beyond the surface of the epidermis.
The hair cuticle is the outermost part of the hair shaft.[1] It is formed from dead cells, overlapping in layers, which form scales that gives the hair shaft strength and provide protection for it.[2][3] Although the cuticle is the outermost layer of the hair, it does not give the hair its color because it has no melanin, which is the pigment ...