That "white bloom" also just might be _stearates_, a usual component of leather dressings, exuding. According to [log in to unmask]: > > We have in our collection leather bridles, halters, reins, saddles, > saddlebags and so forth that have a white "bloom," which I'm assuming is > mold. It wipes clean, and I've used basic saddle soap which also removes > the film. The items are stored in a climate controlled HVAC building, but > I'm wondering if there isn't enough air circulation. Has anyone else had > this problem? > Please, no lectures about calling conservators. This is just a topic for > conservation and feedback. > Thanks. >