The Physiology of Follicular Cycling: Anagen vs. Telogen
Human scalp hair follicles operate in independent cycles consisting of anagen (active growth, 2–7 years), catagen (follicular regression, 2–3 weeks), and telogen (quiescent resting, 2–4 months). In a healthy scalp, roughly 85% to 90% of follicles are actively synthesizing hair fiber in anagen. However, when the body experiences metabolic stress, fever, hormonal transitions, or nutritional depletion, follicles enter premature catagen.
This synchronized shift manifests 60 to 90 days later as acute telogen effluvium—diffuse, alarming shedding during shampooing and brushing. Because hair follicles are non-vital metabolic structures, the human body prioritizes nutrient distribution to essential organs (heart, brain, liver) during periods of nutritional shortfall, immediately starving follicular papillae of sulfur amino acids, zinc cofactors, and carboxylase enzymes.
Restoring Follicular Nutritional Competence
Correcting telogen effluvium requires replenishing cellular micronutrient reserves to re-initiate anagen transcription. Gelagen provides pure D-biotin (5000 mcg) to drive keratin assembly, Vitamin D3 (800 IU) to activate nuclear Vitamin D Receptors that trigger stem cell division, Zinc Citrate (2.7 mg) to inhibit follicular apoptosis, and B-complex vitamins to restore dense microvascular capillary oxygenation.