Black Diamond particles transport 111SKINs potent NAC Y formula and Hyaluronic Acid into deeper layers of the dermis to target ageing Our unique NAC Y works from within to strengthen and regenerate the skin ReGeniStem instantly brightens and protects the complexion and helps even skin tone Hyaluronic acid plumps the skin and minimises the appearance of wrinkles The unique formula protects the skin against environmental damage and stress