- for intensive deep-cleaning- with superb cleaning effect- suitable for all smooth leathers Pharmakas Leather-Soap Glycerine for intensive deep-cleaning with superb cleaning effect. Suitable for all smooth leathers.Application: Apply Leather-Soap Glycerine onto the leather with a damp sponge and rub it in thoroughly. Use luke-warm water, if possible. Allow to dry properly and treat with Pharmakas Leather-Cream Beeswax. Protect against frost.