1. Different concentrations

Hyaluronic acid stock solution used for medical injection belongs to drugs, while hyaluronic acid contained in cosmetics belongs to cosmetics, and the concentrations are quite different.

The content of "containing hyaluronic acid" advertised by general cosmetics is very low, and its hydrating effect is limited.

2. Different usage methods

Hyaluronic acid is injected by a professional doctor for filling depressions, removing wrinkles and moisturizing; Cosmetics containing hyaluronic acid have low hyaluronic acid content, and are only applied to the epidermis for external use, which can only play a temporary moisturizing effect and cannot really penetrate into the deep skin.

3. Different effects

Both involve different molecular weights of hyaluronic acid, and their effects are also different:

Hyaluronic acid in cosmetics is mostly a small molecule, which is generally used for skin rejuvenation and moisturizing.

The hyaluronic acid used for filling is macromolecular cross-linked hyaluronic acid, which can better support the skin, and can be filled, shaped and wrinkle-removed, and the effect is immediate after injection.

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