Author name: Rhen Vaelstrom

Rhen Vaelstrom is a board-certified dermatologic pharmacist and former clinical researcher specializing in male skin physiology and surfactant science. With 12 years of formulation work for clean-beauty labs across Scandinavia and South Korea, he co-developed three patented low-pH, sebum-balancing actives now used in premium men’s face washes. He lectures at the International Skincare Innovation Institute and consults for dermatology-forward grooming brands.