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Skin

What is Loss of Firmness?

As we age, our skin presents morphological changes such as the formation of wrinkles, fine lines, loss of firmness and reduction in elasticity. Over time, intrinsic, natural biological processes within our skin cells slow down, resulting in the depleted formation of crucial proteins, such as collagen and elastin, that maintain the support and structure of the skin and a youthful-looking complexion. Extrinsic mechanisms include smoking, air pollution, alcohol consumption, UV exposure and diet, which can further contribute to the visible signs of skin ageing.

The skin ageing process begins at around 25 years of age; the breakdown of collagen and elastin increases exponentially, declining between 1-1.5% per year5, and the cell turnover rate dramatically slows. The skin can start to feel less dense as the epidermis thins and the skin's structural integrity diminishes.

How does LED help?

Red and Near-Infrared wavelengths stimulate the mitochondria of fibroblast cells within the dermis, increasing the synthesis of collagen and elastin proteins. This increase in intradermal collagen density and skin elasticity improves the skin's overall firmness.

Read More About The Science

Fibroblast cells are responsible for forming the connective tissue that maintains the skin's structural framework. These cells produce collagen, elastin and hyaluronic acid and play a crucial role in tissue repair and wound healing. As we age, the proliferation rate of fibroblasts slows, and the number within our skin decreases markedly, leading to the progression of skin ageing and a slowed rate of wound healing.

Red and Near-infrared wavelengths penetrate deep within the skin's dermis (2–3 mm), causing photobiomodulation within the mitochondria of our fibroblast cells. Mitochondria generate the chemical energy needed to power our cells and fuel the biological processes fundamental to life. When stimulated by these wavelengths, the mitochondria produce ATP energy, or 'cell fuel', which boosts the fibroblast cell's efficiency and proliferation. This sudden surge of energy causes an increase in the production of essential proteins, collagen and elastin, as well as the vital humectant, hyaluronic acid.

The increase in activity of fibroblast cells following exposure to red and near-infrared wavelengths helps regenerate and rejuvenate the skin, supporting its structural framework, texture and visible appearance. The cells function more efficiently and optimally, as though they are healthier or more youthful.