Fuller, thicker hair is possible with the right product. Learn top picks for the best hair serum for hair growth and thickness in India and tips to maximize results Struggling with hair thinning or hair fall? Discover dermatologist-approved, non-greasy hair growth serums with Redensyl, Anagain, and more for visible results. 2. WishCare Hair Growth Serum Concentrate WishCare’s advance hair growth serum has built quite a reputation for delivering on its promises — and fast. It is supported by in-vitro studies on ... We’ve curated a list of the 10 best hair growth serums you must buy in 2025. Here’s the list: 1. Minimalist Hair Growth Actives 18% Serum. This serum blends Capixyl, Redensyl, and Procapil to support hair growth and reduce hair fall. It’s lightweight, non-sticky, and suitable for both men and women.