IMO a dust mask is not going to help.
See below (an extract from section 8 of the safety data sheet - from here
http://www.meguiars.co.uk/wp-content/uploads/2015/03/26-8072-6_UK.pdf)
Eye/face protection
Wear eye/face protection. Select and use eye/face protection to prevent contact based on the results of an exposure
assessment. The following eye/face protection(s) are recommended:
Full face shield.
Indirect vented goggles.
Skin/hand protection
Select and use gloves and/or protective clothing approved to relevant local standards to prevent skin contact based on the
results of an exposure assessment. Selection should be based on use factors such as exposure levels, concentration of the
substance or mixture, frequency and duration, physical challenges such as temperature extremes, and other use conditions.
Consult with your glove and/or protective clothing manufacturer for selection of appropriate compatible gloves/protective
clothing. Wear protective gloves and protective clothing.
Gloves made from the following material(s) are recommended: Neoprene.
Nitrile rubber.
Select and use body protection to prevent contact based on the results of an exposure assessment. The following protective
clothing material(s) are recommended: Neoprene apron.
Respiratory protection
Wear respiratory protection if ventilation is inadequate to prevent overexposure. An exposure assessment may be needed to
decide if a respirator is required. If a respirator is needed, use respirators as part of a full respiratory protection program.
Based on the results of the exposure assessment, select from the following respirator type(s) to reduce inhalation exposure:
Half facepiece or full facepiece air-purifying respirator suitable for organic vapours and particulates
For questions about suitability for a specific application, consult with your respirator manufacturer.