Periwell
Category: Skin & HairClinical Profile

Brittle Nails

Nails that constantly split, peel, or feature deep vertical ridges.

Biological Mechanism

Similar to skin, nails require estrogen to maintain moisture and structural integrity (keratin synthesis). Dehydrated nail beds lead to vertical ridging and constant splitting.

Common Misdiagnoses

Fungal infection, Iron deficiency

Evidence-Based Treatments

  • 01HRT

    Helps maintain overall keratin hydration.

  • 02Biotin

    Often recommended, but clinical evidence is weak unless deficient.