Naomi Watts’ celebrity hairstylist Robert Vetica said Laduora Duo LED Scalp and Hair Device made her hair grow. Shop the microcurrent device for $300 at the brand’s website.

Grooming Awards winners are here. Shop top picks in red light therapy, hair loss serums and more grooming essentials.

Hair restoration: Some dermatologists offer ... Another thing you can expect: A hefty price tag, as the quality of the light for red light products and its separation from other frequencies ...