Hair Growth Serum Intense from Grow Gorgeous. Vegan and Gluten-Free this powerful hair growth serum is perfect for those with fine and thinning hair. This replenishing serum deeply hydrates hair from the root to the tip and promotes the regrowth of healthier, stronger, and fuller-looking locks. Free from Parabens, Sulphates Silicones, Phthalates, and Mineral Oil.