Hyaluronic acid, also known as uronic acid, is a substance that occurs naturally in skin tissue. In nature, it is widely found in the connective tissue, mucous tissue, eyeball lens and the capsule of some bacteria.
It plays an important role in the dermis of human skin, and plays a very important role in the overall maintenance of the tissue structure or the transportation between cells.
The injection of hyaluronic acid is quite safe to use, and the odds of allergy is very low. Generally speaking, there is no need to do skin sensitivity test first.
However, if you want to test it, there is a way. Through seeing the ingredient list, we can roughly judge the content of different ingredients of the product. The earlier the list is, the higher the content is.
Dr-oping Hyaluronic acid on your hand and observing the concentration of the solution. The higher of the concentration is, the fuller of the nutrients are and the higher of the content of hyaluronic acid is .
Hyaluronic acid contains triple molecular weights, the smaller the molecular weight, the better the absorption. But most hyaluronic acids have only one molecular weight. The skin’s absorption is limited, volatilization is scattered lose serious, so the hydrating effect is naturally reduced.