SGL — 001 / INTRANASAL
Signal.
A biologic that signals the brain to repair itself.
5×10⁹
Particles / dose
100
Doses / bottle
0.22 µm
Sterile filtration

10 mL · METERED SPRAY
§ 01 — Thesis
Your brain knows how to repair itself. It just lost the signal.
§ 02 — The bottleOne bottle. 100 doses.
One bottle. 100 doses.
Nose to brain.
Format10 mL metered spray
Dose5×10⁹ particles / 100 µL
DeliveryNose-to-brain, bypasses BBB

NOSE → OLFACTORY → BRAIN
§ 03 — Mechanism
The BBB doesn't apply here.
Signal exosomes cross the cribriform plate directly. No injection. No infusion. Ninety seconds, in clinic.
Read the full dossier →§ 04 — Baseline your signal
Where is your signal today?
A 90-second baseline of six cognitive markers.
Take the Mind Diagnostic →SIGNAL INDEX · SAMPLE
Cognitive clarity62/100
Focus & attention54/100
Working memory68/100
Sleep quality47/100
Mood regulation71/100
Drive & motivation58/100
§ 05 — Launching in Florida
Physician-directed. In-clinic.
Under Florida SB 1768. Signal is onboarding a limited cohort of licensed physicians for the initial rollout.
If you operate a longevity, neurology, or regenerative practice, request access below.