IT IS A SUCCESS IN SO FAR AS MORE WOMEN RETAIN THEIR YOUTHFUL APPEARANCE TO A GREATER AGE THAN IN THE PAST. "OLD LADIES"ARE ALREADY BECOMING RARE. IN A FEW YEARS, WE MAY WELL BELIEVE, THEY WILL BE EXTINCT. WHITE HAIR AND WRINKLES, A BENT BACK AND HOLLOW CHEEKS WILL COME TO BE REGARDED AS MEDIEVALLY OLD-FASHIONED. THE CRONE OF THE FUTURE WILL BE GOLDEN, CURLY AND CHERRY-LIPPED, NEAT-ANKLED AND SLENDER. THE PORTRAIT OF THE ARTIST''S MOTHER WILL COME TO BE ALMOST INDISTINGUISHABLE,AT FUTURE PICTU