There are two types of HA anti-aging products:
Those that are applied externally in cream form
Those that are taken as a health supplement and work internally, providing moisture to the inner layers of the epidermis. By reaching the corium layers of the epidermis, you penetrate, like no topical application is able to. This provides essential HA components to the cell level where it can work effectively, whilst still moisturizing the skin and reducing wrinkles