Whether you’re looking to reduce hair shedding and fallout or bring some much-needed volume to fine or thinning hair, this is a great shampoo to try. Plus, at less than $15 per bottle, it’s a hair ...

To experience its stylist-backed magic yourself, regularly use the revitalizing shampoo and prepare to spot growth in just two weeks, per the brand. Run to score the Dr. Groot Hair Thickening ...

Over $40 The scent might be too floral for some (though it's certainly not overpowering) When it comes to shampoos that make hair appear and feel thicker (not boost growth), no option scored as ...