A. Optimal Concentration
●Serums: 5–10%
●Creams: 2–5%
●Masks: 3–8%
B. Application Frequency
Apply twice daily (AM/PM) on cleansed skin. For severe wrinkles, layer under occlusive creams.
C. Enhanced Delivery Systems
Liposomal encapsulation or nanosomes improve transdermal absorption by 40%.
