itchy scalp

Of course, there are ingredients you should avoid, too. Dr. Lolis urged Allure readers to avoid parabens, sulfates, formaldehyde, and synthetic dyes, which can be rough on the scalp. “You should also look for serums that are silicone-free,” Dr. Lolis explained. “While silicones such as dimethicone are great for creating lustrous locks, the residue left by silicone-based serums on the scalp … Read more