A few words about Cellex-C... Cellex-C Enhancers are designed to work synergistically with Cellex-C formulations. While Cellex-C formulations help to decrease the appearance of fine lines and sagging skin, they are not intended as moisturizers. Therefore, after Cellex-C has been absorbed into the skin, it is necessary to apply a moisturizer. Professional Formulation. Cellex-C Skin Hydration Complex contains hyaluronic acid plus amino acids known for their ability to promote a more vibrant, youth-looking complexion. This oil-free, crystal clear gel instantly gives your skin a silky, smooth texture. Manufactured by Cellex-C International Inc.