“The hair is a wig topper and does not match her natural bangs left out. It’s so noticeable in every single picture,” read one comment, while another said, “the hair is dragging her down.” ...

But today, many wigs and toppers go undetected on red carpets, at galas, in movies and on magazine covers — provided, of course, that they’re good enough. Ms. Lechan said she hoped to add a ...