Figure 7. Optical microscope images of (A) CB[6] ground to a fine powder, (B) buffered cream aqueous with phenoxyethanol as the preservative, with no added CB[6], (C) 5% w/w CB[6] dissolved in the aqueous phase of BCA with phenoxyethanol, (D) 2–4% w/w CB[6] dissolved in the aqueous phase of BCA and mixed with 5 g of emulsifying ointment only, (E) 32% w/w CB[6] powder incorporated in buffered cream aqueous showing solid CB[6] particles in the formulation, and (F) 32% w/w CB[6] powder incorporated in oily cream. The latter panel (F) shows that the CB[6] dissolves in the oily cream completely.