Human Hair Inner Root Sheath Cells

Reference: P10884

Human Hair Inner Root Sheath Cells

Human Hair Inner Root Sheath Cells (HHIRSC) provided by Innoprot are isolated from human healthy scalp. HHIRSC are cryopreserved at passage one and delivered frozen. Each vial of Human Hair Inner Root Sheath Cells contains more than 500.000 viable cells. They are guaranteed to further expand for 10 population doublings following the instructions provided in the technical sheet.

Innoprot also offers optimized medium and reagents for the growth of Human Hair Inner Root Sheath Cells which are quality tested together and guaranteed to give maximum performance as a global solution for in vitro HHIRSC culture.


Size/Quantity: 500.000 Cells / vial


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The inner root sheath (IRS) is an important structure of the lower part of the hair follicle that surrounds and protects the growing hair. The inner root sheath (IRS) of human hair follicles consists of three concentric cell layers; the cuticle, Huxley’s layer, and Henle’s layer. The peripheral mass of matrix cells in the hair bulb are the basis which form all three layers. The formation of the IRS during mammalian epidermis evolutions allowed the physiological exit of hairs present inside the skin. Its dimension and curvature largely determines the shape of the hair. IRS express specific type II epithelial keratins and a unique fibroblast growth factor (FGF). Both of proteins have a preferential role in hair development.

  • Reference: P10884
  • Size/Quantity: 5x105 cells / vial
  • Product Use: For research use only
  • Shipping Conditions: Dry Ice