What are keratinocytes?
Keratinocytes are the primary cells in the epidermis responsible for producing keratin, the structural protein found in hair, skin, and nails.
These cells also contribute to the skin’s barrier function and respond to inflammation, stress, and light stimuli. Healthy keratinocyte function is vital for scalp and follicle resilience.
Red light therapy can stimulate keratinocyte proliferation and function, aiding in the regeneration of scalp tissue and supporting healthy hair growth environments.
Related terms
Hair Cycle Dysregulation
Mechanisms of Action
Hair cycle dysregulation refers to an imbalance in the natural phases of hair growth (anagen, catagen, telogen).
Dermal Papilla Cells
Mechanisms of Action
Dermal papilla cells are specialized cells located at the base of each hair follicle that regulate hair growth by interacting with surrounding stem cells and signaling molecules.
Prostaglandin D2 (PGD2)
Mechanisms of Action
PGD2 is a compound believed to inhibit hair follicle growth in bald scalps.
Cytokines
Mechanisms of Action
Cytokines are small proteins involved in cell signaling that regulate immune responses, inflammation, and tissue repair throughout the body.