Hyaluronic Acid: The Active Ingredient Against Skin Aging.

Thehyaluronic acid is naturally found in the body. It is primarily produced by the fibroblasts of the dermis, but the epidermal cells also synthesize it. The dermis contains 50% of the total hyaluronic acid present in the body. Thanks to its remarkable moisturizing properties, this molecule acts like a sponge and retains water; it thus ensures the hydration of the skin and gives it its plump and bouncy appearance.

Over the years, not only does its content decrease but its quality also changes. Each decade, we lose about 6% of hyaluronic acid. Thus, by the age of 50, the stock of hyaluronic acid would have decreased by half. This drastic drop in hyaluronic acid leads to an atrophy of the fat pockets located deep in the dermis, which is responsible for the appearance of wrinkles and fine lines on the skin surface.

When injected, hyaluronic acid helps to fill in wrinkles and smooth the skin's appearance. However, if you're looking for a less invasive method, this active ingredient is also very effective in combating signs of aging when contained in skincare products.

Plumping and hydrating, the hyaluronic acid is among the favored active ingredients to fill in wrinkles and reduce signs of aging. Its mode of action varies depending on its size:

• High molecular weight hyaluronic acid:

  As its name suggests, this molecule is too large to penetrate deeply into the skin barrier. Therefore, it acts on the surface of the epidermis and forms a protective veil against external aggressions and dehydration. Incorporated into a facial care product, this form of hyaluronic acid helps to hydrate the superficial layers of the skin and to diminish the appearance of wrinkles and fine lines caused by expression and dehydration. It is particularly recommended for adding freshness to the complexion.

• Low molecular weight hyaluronic acid:

  Conversely, low molecular weight hyaluronic acid is a micro-molecule that penetrates deeply into the skin. This infiltrates the layers of the epidermis where it captures and gels water for a plumping effect on the surface and maximum hydration. It boosts its own production by fibroblasts. It helps to reduce existing wrinkles and prevents skin aging.

Our moisturizing serum formulated with 3% hyaluronic acid is an ultra-concentrated formula to be applied morning and evening to erase wrinkles and tone the skin.

Combined with aloe vera for comprehensive moisturizing action, the hydrating toner helps to balance the skin's pH following cleansing/makeup removal stages and reduces fine dehydration lines.

The nourishing face cream is enriched with lipid-replenishing and hydrating active ingredients and is composed of 98% natural origin ingredients. It restores suppleness to the skin and reduces the appearance of fine expression lines.

• GHERSETICH I. & al. Hyaluronic Acid in Intrinsic Skin Aging. International Journal of Dermatology (1994).

• MICHELOTTI A. & al. Anti-aging and filling effectiveness of six types of hyaluronic acid-based dermo-cosmetic treatments: a double-blind, randomized clinical trial of efficacy and safety. Journal of Cosmetic Dermatology (2014).