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Case studies

Skin penetration

In cosmetic industry and more generally in chemical formulation, it is important to understand active ingredients effects and how far they penetrate the different skin layers. To ease skin penetration, some formulations include a liposome, a lipid bilayer vesicle used…
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Case studies

Plumping effect

Should skin pumpling a synonym to collagen production ? Yes certainly but not only. Stimulating microcirculation, moisturizing, nourishing are also effects to promote.
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Case studies

Hair protection

Hair is a constant victim of many agressions : water, sun, brushing, pollution, having shine and smooth hair with blow dryers and heating irons… The robust structure of its external layer, the cuticle, protects it. But as fantastic is this cuticle, we need to care of it…
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Case studies

Slimming effect

A slimming cream might have several actions depending on its target. It can regulate and balance storage and removal of fat. In this context, studying adipocytes, the responsible cells for fat storage in adipoe tissue, sheds light on its action’s mode…
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Smoothing effect

Skin mobilization is the result of the different mobility capacities of the skin and its underlying structures. When the skin is stretched and mobilized, there is an elastic restoring force opposite to the axis of tension, which tends to return the skin to its previous…
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Wound healing

Wound healing is a very complex process, specific to every organism and tissue, and addresses several factors and different cellular and tissular groups. Cutaneous wound healing involves many processes of dermis and epidermis regeneration for which physical forces play a…
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Case studies

Blue light protection

Light is necessary for life, but long exposure to artificial light is becoming a major health concern. Humans are exposed to increased amounts of light in the blue spectrum produced by light-emitting diodes (LEDs) found in screens and smartphones which can interfere with…
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Skin barrier

Epidermal differenciation triggers to the formation of apoptotic cells, corenocytes more or less cohesive. One of the main role of these cells is to regulate epidermis permeability. The skin barrier is due to the accumulation of lipids (free fatty acids, cholesterol, …
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Case studies

Tensing effect

The dermis is largely composed of dense collagen-rich extracellular matrix (ECM). Dermal collagen represents by far the most abundant ECM protein and constitutes the bulk of skin. Dermal connective tissue collagen is essentially responsible for the skin’s tensile strength…
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