HA4C an ultra-lightweight serum contains a hyaluronic acid complex, with an ultra-low molecular weight that is 60 times more soluble than standard hyaluronic acid and provides quicker penetration through the layers of the skin for faster moisturisation. Preventing trans-epidermal water loss and establishes a normal moisture balance for a more hydrated, even skin surface. Containing quadruple humectants to significantly improve hydration across all facial areas. Vitamin C reduces skin aging due to ultraviolet light and protects against free radicals.