Reporting from Las Vegas — “Titanic: The Artifact Exhibition” is debuting a rare cherub statue from the staircase of the sunken Titanic cruise ship at Luxor Hotel and Casino in Las Vegas.

So I consult the experts for their take. “As a trichologist, I’m not a fan of heavy oils on the scalp,” reveals trichologist and founder of Cherub clinic Rachael Sey, who instead prefers clinically ...