Inquire, use สารนำพา together? Use Quick Coll with Pep Coll no If so, which one is better to choose? Dry skin, wrinkles, sensitive skin, 40 years old, if using substances ลดริ้วรอย multiple to ten Will it be more than necessary? For example Quick-Coll 2% Pep-Coll 3% Ectoine 2% (requires defrost firs...