The 18 Best Hair-Growth Serums for Men, and How to Use Them

If you purchase an independently reviewed product or service through a link on our website, Robb Report may receive an affiliate commission.In terms of hair growth, serums tend to go one of two ways—and both are beneficial for scalp and hair wellness. Many of these scalp serums are clinical-grade products that use FDA-proven treatments for men’s hair loss—like minoxidil, finasteride, and even tretinoin (a kind of high-grade retinol) to boost cellular turnover in the hair follicle and prevent shrinkage from hormonal byproducts in your system. Other hair growth serums act more like vitamins and circulation boosters to improve overall nutrition in the area—some even deploy the same ingredients you might find in hair growth supplements, like saw palmetto to reduce follicle shrinkage, or ashwagandha to calm inflammation and curb stress-induced hair shedding.Read on for 15 of the absolute best hair serums. But before I go on, I should note three things:1. Only your dermatologist can prescrib...