Glomeca #7 – Cutaneous anisotropy
Here we will talk about a term which needs to be elucidated : anisotropy. Skin is described as an anisotropic soft material but it is essential to explain further to well understand how to use this term..
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9 November 2021
The risks and solutions to aluminium-based antiperspirants
Sweating is a natural physiological phenomenon which can be activated by various factors such as the temperature of the room you’re in, a physical activity, a fever or even an emotion...
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21 September 2021
The good, the bad and the benefic light for our body
Since the beginning of human life, our skin has always been exposed to different levels of light. However, not every wavelenghts of light have the same impacts on our skin, some can be good and other bad.
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22 April 2021
GloMeca #6 – Adhesion forces involved in skin barrier integrity
Characterizing mechanical and adhesion forces with AFM allows to better study skin integrity and pave the way to new cosmetic products development.
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25 March 2021
Coronavirus: how this virus can affect our largest organ, the skin?
There's no need here to list the usual clinical manifestations of COVID-19 infection. They are many and sadly may lead to acute respiratory distress syndrome and death. Let's focus on a special topic : our skin. The skin symptoms have been poorly described...
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17 December 2020
GloMeca #5 – Above visco-elasticity, hysteresis
The literature says that hysteresis is "a lagging or retardation of the effect, when the forces acting upon a body are changed, as if from velocity or internal friction". From a mechanical point of view, skin can be compared to a composite material with a very-organized...
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25 November 2020
GloMeca #4 – Skin mechanical behaviour through lifespan
From a biomechanical point of view, ageing is a very complex process that seriously affects the functions of all organs and tissues of the body, and most often has irreversible effects on their mechanical behaviour. The most visible effects of ageing can be observed in...
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24 September 2020
AFM: all-in-one technology fitting regulatory requirements for cosmetic efficacy testing
Wrinkles, oily skin, under-eye bags, acne/breakouts, dry skin… There’s a clear demand for products able to prove efficacy against a wide variety of consumer concerns. The protection of consumers from misleading claims on efficacy and other characteristics of cosmetics are...
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3 September 2020
GloMeca #3 – Skin elasticity: From Hooke’s law to Young’s modulus
Skin is made up of different layers (epidermis, dermis, hypodermis) and is regularly exposed to all kind of stress. As those layers have different composition and thickness, each of them has a specific mechanical role...
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1 July 2020
GloMeca #2 – Elastic modulus at the skin level
Skin is made up of different layers (epidermis, dermis, hypodermis) and is regularly exposed to all kind of stress. As those layers have different composition and thickness, each of them has a specific mechanical role...
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14 May 2020
GloMeca #1 – Visco-elasticity
According a physicist, skin is considered as a multi-layer material composed by dermis, epidermis and hypodermis. Skin mechanical properties are mainly linked to the dermis which is composed by collagen fibers networks and elastics fibers. During aging, these fibers tend...
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27 February 2020