Hyaluronic acid is a molecule that occurs naturally in the human body, mainly in the skin, eyes, and joints. It is widely recognized for its moisturizing properties and ability to retain water, making it an essential ingredient in skin care and various medical treatments. Here are its main functions and uses:
1. Intense hydration
Hyaluronic acid is able to retain up to 1000 times its weight in water , making it a powerful moisturizing agent. By capturing water and holding it in the skin, it helps keep skin well hydrated, supple and plump.
- In skin care : It helps restore moisture, especially for dry or dehydrated skin. It is often used in serums, moisturizers, and masks for its immediate skin-plumping and softening effect.
2. Improved skin elasticity and firmness
In addition to its moisturizing power, hyaluronic acid helps maintain the structure of the skin. By deeply hydrating, it helps preserve elasticity and firmness , which helps reduce the appearance of fine lines and wrinkles.
- Anti-aging : Although it does not directly stimulate collagen production, it creates an environment favorable to its synthesis and helps keep the skin smoother and toned by reducing the signs of aging.
3. Plumping effect
Hyaluronic acid, by attracting water to the surface of the skin, creates an immediate plumping effect. Which gives the skin a smoother, younger and plumper appearance. This is why it is often used in products to fill wrinkles or restore volume to the skin.
4. Skin repair and healing
Hyaluronic acid also plays an important role in tissue repair and wound healing. It accelerates cell regeneration and can help repair the skin barrier, especially after damage caused by sun exposure or after irritation.
- Healing : It is sometimes used in creams intended for healing wounds or minor burns due to its ability to speed up the cell regeneration process.
5. Lubrication of joints
In joints, hyaluronic acid acts as a natural lubricant, allowing smooth movement of bones and reducing friction. It is present in the synovial fluid, which surrounds and protects the joints.
6. Eye protection
Hyaluronic acid is present in the vitreous humor of the eye, where it helps maintain its shape and protect the retina. Due to its moisturizing and viscoelastic properties, it is used in eye drops to relieve dry eyes.
7. Low toxicity and biological compatibility
One of the reasons why hyaluronic acid is so widely used in skin care and medical treatments is its very good tolerance by the human body. Since it is naturally produced by the body, it has a very low risk of allergic reactions or irritations, making it suitable for all skin types, even the most sensitive.
In summary:
Hyaluronic acid is a key ingredient for:
- Hydrate and plump the skin.
- Maintain elasticity and firmness.
- Fill in fine lines and wrinkles.
- Repair and heal the skin.
- Improve joint lubrication.
- Relieve dry eyes.
Its multiple functions make it a versatile ingredient in cosmetics as well as in aesthetic and orthopedic medicine.