DRUG DESCRIPTION. PROSCAR (finasteride), a synthetic 4-azasteroid compound, is a specific inhibitor of steroid Type II 5Î±-reductase, an intracellular enzyme that converts the androgen testosterone into 5Î±- dihydrotestosterone (DHT). Finasteride is 4-azaandrost-1-ene-17-carboxamide, N-(1,1-dimethylethyl)-3-oxo-,(5Î±,17Ã)-.
1 The stronger and thicker you can get your lawn, the less chance violets will stand to spread. 2  Seed your lawn. 3  You can either over-seed during a core aeration or slice-seed areas to help them fill-in with new turfgrass.4  Stay on top of things. 5  It may take a couple years to really get a handle on a big crop of violets.ollow these basic principles to win the war on violets: 1  Use the right herbicides. 2  Create an environment that is best for your lawn. 3  Fill in the thin or bare areas. 4  Stay on top of things.
Moss in the lawn can be a problem. How to get rid of moss: Step 2 - Remove the moss from the lawn Now that you have identified the possible causes of the moss, itâs time to remove it from the lawn. For a smaller area, a simple lawn rake will suffice.irst, you need to change the conditions in your lawn to help your grass grow back healthy and strong. 1  Spike your lawn. 2  If possible, reduce the amount of shade on the affected area. 3  Feed the lawn. 4  Change your mowing habits. 5  If you mulch mow, consider collecting the grass clippings instead. 6  Consider applying a top dressing to the lawn.