Silk can be easily damaged by . . .
Chemical and alcohol based products: Hair sprays, nail polish remover, perfume, aerosol deodorants, etc. can all stain your silk items beyond repair. Silk is a very absorbent fiber and as such, will absorb even the finest mist from personal care products with ease. If you must use alcohol or chemical based products, do your best to not let them come into contact with your silk items (i.e. put your products on before dressing, or place a cover over your silk garment when using such products while dressed.)
Sunlight: Like a fine painting on canvas, silk is prone to damage from constant sunlight. Too much sunlight will easily fade and/or yellow even the best silk. As such, you may want to hold off wearing your best silk shirt until the evening, if possible.
Perspiration and deodorants, especially when combined, are also dangerous to silk fibers. The combination of moisture in perspiration and chemicals in deodorants (particularly Aluminum