First off, OMI is not a supplement, a term that implies a product will supplement for nutritional deficiencies that may contribute to hair loss. To be clear, poor nutrition—especially vitamin D, zinc, ...

We consulted derms and hairstylists to compile our list of the best products for thinning hair. Shop from brands like Hers, ...

Vitamin deficiencies, including biotin, vitamin D, iron, and zinc, can disrupt hair growth, leading to thinning and shedding. A nutrient-rich diet, supplements, and scalp care can help restore hair ...