Acyl glutathione deep crease serum is a powerful anti ageing treatment designed to address expression lines and creases that appear from repetitive facial movements upon first application these engraved imperfections appear instantly smoothed making creases appear shallower and erasing the look of furrow creases along the forehead squinting creases and feathery lines along the lips combined with its illuminating effect this anti ageing serum is the ideal non invasive alternative to help ac