Application method Scalp applicators with narrow tips help distribute AHK-Cu solution along part lines and directly to the scalp rather than coating hair shafts
How to Use: Typical dosage is to inject 1 mL into the muscle or under the skin once per month Use a clean needle and syringe for each injection Follow your healthcare providers directions closely Warnings: Not for individuals with hypersensitivity to cobalt or vitamin B12 Use with caution in patients with Lebers disease or other optic nerve disorders In rare cases, high doses may lead to low potassium levels or allergic reactions

NIOD Copper Amino Isolate Serum 3 1:1 (CAIS3) Best copper isolate serum Photo by Innerbody Research Pros Star ingredients are GHK-Cu and GHK Product pH is mildly acidic (5.7-6.7) Vegan and cruelty-free Free of alcohol, oil, silicone, and gluten Available in two sizes: 15mL and 30mL Packaged very nicely Free shipping on orders over $25 Products can be returned up to 365 days after purchase Cons No subscription option (or discount) available Full potential benefits may require additional products from Core Regimen line Very strong, unpleasant smell On the expensive side compared to our other picks Though it may not be as well-known as The Ordinary, NIOD (Non-Invasive Options in Dermal Science) has the same parent company, DECIEM
Subcutaneous injections go into your fat, often in the belly, thigh or upper arm
Most patients tolerate hydroxocobalamin injections well