Member exclusive Q&A: How to add Penstia powder or silica microspheres to lotions? How to modify a lotion for the summer? Where to get misters? (updated)

In the February Q&A. Christina asked: With warmer with warmer weather coming on, my facial moisturizers are feeling more greasy. I want some oils, and use squalane and some others. Can I just add some microsilica or penstia powder to take out the greasiness? The moisturizers I have contain lovely peptides,etc. I really like them in…