Critique in Rosacea Treatment for 2008 July 2008 – Avoid Paraben Preservatives in Rosacea Treatment New in Rosacea Treatment for 2008 Melbourne Dermatology's Rosacea Treatment Clinic have revised their discussion of rosacea cleansers and repackaged some rosacea skincare products to greatly reduce their already low preservative content. For further information, see: http://www.rosacea-treatment-clinic.com/Cleansers.html

Rosacea & Inflammation: Demodex Skin Mites

"Acne Rosacea" is a disease which involves the hair follicles, and does not have anything to do with the skin's oil production per se.

Imbalanced skin (which can be worsened by inappropriate treatment), often characteristic of rosacea, can compound the problem. The cause of rosacea is not known, although many factors have been established as potential triggers.

Dormant hair follicles are present over most of the face and may produce light hair growth due to hormonal variations, or the effects of some medications. In any event they are penetrable openings in the skin's structure and often home to Demodex Mites.

	Demodex Parasites frequently lie in pairs inside a hair follicle
	Demodex are covered by a cuticle surface and are semi-transparent
	The head and neck contain the four legs
	Demodex mite embedded in keratinized skin cells
Source: Microscopy Magazine, The Netherlands

Demodex live around these follicles and have four short legs, choosing to move mostly at night. The level of infestation increases with age. This infestation is a world-wide phenomenon called "demodicosis" and is usually symptom-free. Reactions and accompanying inflammation can occur in humans. It also occurs in animals, including family pets, leading to skin irritation, hair loss and red rash.

Fresh skin scrapings viewed under a microscope can reveal the mites which feed on dead cells and skin fats.

The prevalence of this mite in people with rosacea has been recorded as significantly higher than people without rosacea:

an infestation of 51% in rosacea;
an infestation of 28% in eczema;
an infestation of 31% in lupus discoides.

The highest density of mites present on the cheeks in people with rosacea and antibiotic usage at the end of one month showed no statistically significant difference in mite density.

It is possible that the increased number of demodex mites in rosacea cases plays a part in rosacea by provoking inflammatory or allergic reactions by blocking follicles or by assisting the survival of micro-organisms.

Studies at Gaziantep University Department of Dermatology (Turkey) concluded that while rosacea is a skin disease with a variety of origins, demodex mites can increase the severity of inflammation.

A high density of demodex mites has been especially linked to rosacea associated with pustules.
the role of demodex mites in impairing micro-circulation and dilated capillaries has been tentatively suggested
Flushing and the mechanism of blood vessels has been seen as important in the development of rosacea.

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Rosacea & Inflammation: Demodex Skin Mites

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