Ruling on using hyaluronic acid on the skin
Question

Is it permissible for me to use Hyaluronic acid on my skin which is a gooey substance produced by human body. The largest amounts of it are found in your skin, connective tissue and eyes. Now it is available in certain skin care products. Is it permissble for me to apply it on my skin. It has a lot of benefits like keeping the skin moisturized and radiant
If it is not permissble to apply the above. Can I use the vegan hyaluronic acid which is fermented from bacteria, can I use this product on my face.
Praise be to Allah.Firstly:
Hyaluronic acid
Hyaluronic acid is a substance that occurs naturally in different places in the body, but it is more concentrated in certain fluids in the body, such as fluid in the eyes and fluid in the joints.
In addition to the natural form of this acid, there are also forms that are produced in laboratories; they are usually made using a specific type of bacteria.
End quote from https://bit.ly/3zCMqLq
Secondly:        
Ruling on using hyaluronic acid
There is nothing wrong with using creams and moisturisers containing this acid, if it is free of harm. It is preferable to use hyaluronic acid of vegetable origin.
Ibn al-Jawzi said: With regard to medicines that remove freckles and beautify the face for the husband, I do not see anything wrong with them."(Ahkam an-Nisa’, 160).
And Allah knows best.