Still, there is one ingredient that could potentially make a big difference.

Does biotin shampoo really affect hair loss?

Board-certified hair surgeon Dr. Gary Linkov spoke toMarthaStewart.comabout whether biotin lives up to its reputation for promoting hair growth.

A woman pulling out clumps of hair from a brush

This issue was brought up by consultant trichologist Zoe Passam, too.

There was also less noticeable breakage as a result of consistently using the biotin shampoo.

Woman washing her hair

A woman smiling while checking out her healthy hair