Prev5 of 18Next CREDIT: LOVE WELLNESS Best Thickening Hair Growth Supplement Love Wellness Healthy Hair Probiotics Pros: Gluten- and Dairy-Free This supplement helps manage stress and hormones, which can ultimately contribute to hair loss. It features vitamins B12 and B6 to reduce hair shedding while boosting shine and promoting thicker growth from the inside out. Shop Now Prev5 of 18Next