Showing posts with label facial wrinkles. Show all posts
Showing posts with label facial wrinkles. Show all posts

Monday, September 25, 2017

Microneedling with Dermaroller or DermaPen

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Photodamage and the aging process damage the layers of the skin. Wrinkles appear due to loss of structural matrix components outside skin cells (collagen and elastin), dehydration from loss of hyaluronic acid (HA) in the tissue and overall thinning of superficial epidermal and deep dermal skin layers. Microneedling with a dermaroller involves rolling a cylindrical drum with fine needles over the skin surface.

These rollers are available from online vendors, drug store chains and department stores for home use. The needle size ranges from 0.25mm up to 2mm in diameter and various lengths. Some rollers come with interchangeable heads containing different needle sizes. The needles are embedded in a rotating cylinder that can hold up to 200 needles. By rolling the device over the skin the needles create minuscule holes that close within minutes after the treatment without any visible traces in the epidermis or stratum corneum layers of the skin. A hand held pen with oscillating needles is also available for physician use called DermaPen. Each puncture creates a micro-channel in each punctured layer with a surrounding micro-area of inflammation (accumulation of immune cells such as neutrophils and macrophages) in response to the injury. Creation of the holes allows greater absorption of cosmeceuticals or skin creams applied to the skin surface. A healing cell proliferating process follows with formation of new small blood vessels/capillaries, replenishment of structural matrix components (collagen, proelastin, hyaluronic acid, glycosaminoglycans like glucoseamine) by recruited fibroblast cells and surface skin cells growing of the small holes resulting in a smoother skin surface with tighter pores. 6 to 8 weeks after a single treatment 1.1 to 10 fold increases in skin elastin have been found as well as new collagen formation and increased dermal thickness.

Tuesday, August 30, 2016

Skin Aging and Wrinkling by City and State

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Skincare, maker of topical anti-aging skin care products, partners with , an analyzer of American city demographics, to produce a yearly ranking of US cities with respect to skin aging and wrinkling. In their analyses the top 5 factors contributing to skin aging/wrinkling are low winter temperatures, extreme weather temperatures, commuter times, sunny days (UV exposure), and elevation. Other contributors are stressful living, dry heat, ozone pollution, sleep deprivation and smoking rates. Although UVB is blocked by glass up to 72% of the UVA radiation of the sun, that which damages and ages the skin, still penetrates ordinary glass. So those with long commutes have significant sun exposure. The risks for skin wrinkles obviously overlaps with skin cancer risks. In 2015 New York was the most wrinkle prone and Alaska was the least most wrinkle prone state. California came in at 36th , Texas at 38th and Florida at 32nd.

Tuesday, September 14, 2010

New Botox Available in US in September 2010

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A new type of Botox called Xeomin (Merz Pharmaceuticals] will become available in the US in September 2010. The drug was approved by the FDA in August 2010 for treating certain neuromuscular conditions, such as blepharospasm (chronic blinking), cervical dystonia (tight neck muscles that distort the head's position). It is not yet approved for cosmetic purposes to treat dynamic wrinkles between the brows and on the forehead. Such use would be considered off label but Botox was used in such an off label fashion for years before it received FDA approval for cosmetic use.

That means we will now have 3 products available, Botox, Xeomin and Dysport to treat aging wrinkles of the face. More Dysport has to be injected to get the same results as Botox but since the per unit price is cheaper the end cost to achieve a given result is the same for Botox and Dysport. Xeomin is formulated differently in that it does not contain the complex proteins found in the other 2 formulations. It is too early to say if this is a positive or negative attribute. It could lead to migration of the Xeomin away from the injection site with more side effects or it could mean you will not form antibodies or develop resistance to the medication after many injections.

Since the price of Botox did not change after the introduction of Dysport is likely those prices will not change after the introduction of Xeomin. That may be due to Dysport's failure to steal market share from Botox but only time will tell.

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