Nice article, but I don't think it really belongs in the cosmetic and style. There is forum for shaving-related topics, so a mod will most likely move this thread to that category (or not).
I'd like to add a couple more tips on shaving with acne/acne-prone skin. I'll try to explain in a step-by-step instruction, so it'll be more easier to understand.
- For starters, I like to shave after my shower, since my face is clean and my pores are still open from the heat of the shower. To me, that's the best time to shave. If that's not your way, then make sure your face is clean, and wash it a little warm water before starting (to help open your pores). But this is how I shave:
- Next, apply your shaving cream/gel/whatver (make sure hands are clean!) to your face/neck. Let the shaving lubricant (stuff you put on your face) sit for about a minute. Also make sure your using a decent lubricant. I'd recommend Aveeno Shave Gel, since it's noncomedogenic, which is a plus for acne/acne-prone skin.
- After the lubricant has set for about a minute, it's time to plan which region on your face/neck you want to shave first. I start with the sides of my face, then I do my neck region, and then I save my lip, mouth, and chin region for last.
- As for razor choice, the poster suggested a three-blade, but I'd rather stick with a single-blade disposeable razor. The single blade will be less harsh, but it won't achieve a close like the 3-blade. However, different razors work for different people, so whatever works for you. I'd just rather play it safe
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Always shave WITH the grain, not againist it. "Grain" referrs to the direction of which your hair grows. Shaving with the grain is a more safer route than shaving againist, since it will create less of a chance of shaving bumps (clogged hair follicle). The shave itself won't be as close, but it will be a safer shave.
- Once you've planned your "attack" on how which regions to shave, then shave away! Use strokes in one direction with little pressure. Try not to shave the same area more than twice, since it can irritate your face more. If you get to a region or area of acne, use gentle strokes on these regions.
- If you happen to scratch open a pimple, immediently rinse your razor. Use a tissue, or toilet paper if your desperate, and cover the scratched pimple. You want to soak up as much blood/pus from the scratched pimple as you can, since this material can spread bacteria and in return, cause more acne. So this is why it's essential to rinse your blade out after a couple of strokes, since you it will help prevent yourself from spreading nasty bacteria.
- Styptic pencils are a nice investment to make. A styptic pencil can help stop the bleeding from shaving cuts/nick, so if you've accidently cut yourself shaving, these pencils are great to use in this situation. Plus they are very cheap. I think they are about a dollar, since I've seen some at Walmart in the shaving section (convient, no?).
- When shaving towards the mouth region (chin and upper lip), try moving your skin to get a better shave. When shaving your upper lip, fold your upper lip under your bottom lip. Do the same process for your chin as well, but try to get up (smile!)
- Once you've finished your shave, wash your face with cool water. You could also rinse with warm water, pat dry, and then rub an ice cube on your face. I like the ice cube way. However, it's your choice.
- Make sure after each shave, you properly clean/disinfect your razor. Rinse the razor at the end of your shave, shake/flick the razor in the sink, then splash a little Hydrogen Peroxide on the razor blade and allow it to air dry. Proper cleaning of your razor can help it last longer, and it saves money too.
- Last but not least, apply your moisturizer, preferably one with SPF. Like the poster mentioned, avoid using aftershave. Being sensitive-skinned myself, my face doesn't appreciate the use of aftershave. It's just to irritating for me to use. Just apply a moisturizer after your shave, and that's all. You've succesfully won your battle on shaving.

Hope this helps!

(And sorry for any grammar problems. I don't always catch my mistakes).