After a few days, this cream becomes liquid. Menthol 6g camphor 6g Me-salicylate 6g indomethacin 1g Cetylalcoholcreme NFVI ad 60g

Indeed the first three products provide a melting point reduction; you can find inspiration in the questions;

Following prescription for a cream gives problems:

R/NaCl 9g Urea 9g Lanette SX 30g Water AD 300g

and ' as such prescribed, we do not obtain a homogeneous preparation: The emulsifier does not appear powerful enough. How can we make a stable cream? '