Hi,
I want to claim that we use 0.05% Retinal in our formulation. What is the equivalent and how much is the purity form of Retinal-EZ? How much do I need to purchase for 5,000 pcs unit of serum?
Hi,
I want to claim that we use 0.05% Retinal in our formulation. What is the equivalent and how much is the purity form of Retinal-EZ? How much do I need to purchase for 5,000 pcs unit of serum?