Hyaluron + collagen is a supplement that is a combination of two substances: hyaluronic acid and collagen. It is available as a powder for drinking but it may also be available as a skin treatment.
Hyaluronic acid is a substance that is naturally present in the body. It is usually recommended for joint disorders such as arthritis. It can also be applied to skin for the healing of wounds and skin ulcers, and as a moisturizer.
Collagen is also a substance that is present in the body, particularly in the bone and cartilage. It is said to help with inflammation.