Guinot Masque Age Refill Summum 50ml Guinot Masque Age Refill Summum 50ml Mother’s Day Beauty Gift | Skincare & Body Present for Mum | Guinot Masque Age Refill Summum 50ml Guinot Masque Age Refill Summum 50ml Erase signs of ageing overnight with this Anti-Ageing Night Mask from Guinot. It visibly smooths and plumps your skin as well as attenuating dark spots and making your complexion look radiant.