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Poliosis circumscripta, commonly referred to as a "white forelock", is a condition characterized by localized patches of white hair due to a reduction or absence of melanin in hair follicles. Although traditionally associated with the scalp, poliosis can affect any hairy area on the body, including eyebrows, eyelashes, and beards.
Acanthosis nigricans is a medical sign characterised by brown-to-black, poorly defined, velvety hyperpigmentation of the skin. [1] It is usually found in body folds, [2] such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead and other areas. [1]
Generally, the East Asian, Central Asian and Native American population has straight hair with a very thick cuticle layer [5] and South Asians have thick, wavy or curly hair, [6] while the general hair type seen in black African hair is thick, curly and dense with more hair growing from the head. The curly quality comes from the shape of the ...
Hair loss is originally seen in areas of repeated grooming or trauma, for instance the neck because of contact with a collar. Hair regrowth may occur, but the hair will be even weaker and the pattern will repeat. The dogs are affected between the ages of two and four years, and it is most commonly seen on the back towards the tail.
Trichorrhexis invaginata (bamboo hair) Trichorrhexis nodosa; Trichostasis spinulosa; Tufted folliculitis; Tumor alopecia; Twenty-nail dystrophy (sandpapered nails, trachyonychia) Uncombable hair syndrome (cheveux incoiffable, pili trianguli et canaliculi, spun-glass hair) Wooly hair nevus (woolly hair nevus) X-linked hypertrichosis
Hair relaxers have seen a considerable resurgence in popularity among the Black hair community. Here is why some women are deciding to go back to relaxers after years of dealing with their natural ...
Pseudofolliculitis nuchae, a related condition, occurs on the back of the neck, often along the posterior hairline, when curved hairs are cut short and allowed to grow back into the skin. Left untreated, this can develop into acne keloidalis nuchae , a condition in which hard, dark keloid -like bumps form on the neck.
The treatment of choice by dermatologists is a safe and inexpensive oral medication, griseofulvin, a secondary metabolite of the fungus Penicillium griseofulvin. This compound is fungistatic (inhibiting the growth or reproduction of fungi) and works by affecting the microtubular system of fungi, interfering with the mitotic spindle and ...