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Description
Cushman CJ et al

At 5 mg/mL, a 2.5 mg dose requires 0.50 mL, which equals 50 units on a U-100 insulin syringe

For most healthy adults on maintenance, once or twice a month is plenty

It's important to note that this serum should not be co-used with any other brand's shampoo, conditioner, or hair treatments