Ingrown Hairs After Shaving: Prevention Guide

Last Tuesday I broke in a brand-new pair of high-waist leggings at the squat rack. Five sets of eight, deep and heavy, the seams hugging every crease. By the time I peeled them off in the locker room, there was a row of little red bumps along my bikini line, right where I'd shaved the night before. Rookie mistake, coach.

So let's talk about it straight. An ingrown hair is a hair that curls back or grows sideways into the skin instead of breaking through the surface, which leaves a small, itchy or tender bump. Shaving sets the stage because it cuts each hair to a sharp tip right at skin level. Curly or coarse hair, a too-close shave, dead skin plugging the follicle, and friction from tight clothes and sweat all make it more likely. The fix is a prevention routine: prep the skin, shave once with the grain, exfoliate once or twice a week, and give freshly shaved skin room to breathe after a workout.

Why ingrown hairs happen after shaving

When a razor slices a hair off flush with the skin, the new tip is angled and sharp, and as it grows back it can curl around and push into the skin next door. Your body treats that like a splinter, so you get a red, raised bump, sometimes with a dark dot or loop of hair under the surface.

The usual suspects:

• Curly or coarse hair. Hair that already grows with a curl has a head start on curling back in.
• Shaves that are too close. Stretching the skin, pressing hard, or going over the same spot three or four times cuts the hair below the surface, where it's more likely to get trapped.
• Dead skin. A build-up of dry, flaky skin can cap the follicle so the regrowing hair can't find the exit.
• Dull or dirty blades. A tired razor tugs instead of cuts, which leaves jagged ends and irritated skin.
• Friction and sweat. Tight leggings, seamed underwear and damp skin rub against fresh stubble. Exactly what my squat-rack session did.

The pre-shave warm-up

Skip the warm-up and you're basically maxing out cold.

1. Trim first if it's long. If you've gone more than a week or two, clip the bikini area down with small scissors or a trimmer.
2. Soak for 3 to 5 minutes. Shave at the end of your shower, not the start. Warm water softens the hair so it cuts cleanly.
3. Cleanse. Wash away sweat, sunscreen and body oils so nothing sits in the follicles under the razor.
4. Add slip. A shave oil, cream or gel helps the blade glide instead of scrape. If you're torn between textures, I broke it down in shave oil vs shaving cream.
5. Check the blade. If it tugs, it's done. Swap it every 5 to 7 shaves, or sooner if you shave a lot of area.

The one-pass shave: reps that count

Here's the part most people overdo. One clean pass with the grain, meaning the direction the hair grows, is the move. Going against the grain gets you a closer shave today and more bumps next week.

• Light pressure. Let the blade do the work. If you're pressing, the razor is dull.
• Short strokes. Rinse the blade every two or three strokes.
• Don't stretch the skin tight. A gentle hold for control is fine, but pulling the skin taut lets the hair snap back below the surface.
• Stop when it's smooth enough. A tiny bit of stubble you can feel but not see is a win, not a fail.

Hair on the bikini line can grow in several directions within a few inches, so check before you start. For a full walk-through of that area, read my teammate's guide to bikini line shaving. Underarm hair is even more chaotic, and how to shave your underarms covers the crisscross pattern there.

Cool-down: after the shave and after the gym

This is where my leggings story went wrong, so learn from my sets.

• Rinse cool and pat dry. Don't rub with the towel. Rubbing is just more friction.
• Moisturize. A few drops of oil or a light moisturizer is plenty.
• Time your shave around your workout. If you can, shave after the gym or the night before a rest day, not right before a sweaty leg session.
• Change out of sweaty gear fast. Shower soon after training, or at least swap into dry, loose clothes.
• Give new leggings a test run. Thick seams that sit right on the bikini crease are the worst offenders. Wear them on a day you haven't just shaved.

Ingrown hairs on legs vs bikini line vs underarms

Same cause, different trouble spots. Here's how I'd adjust the routine by area.

If what you're seeing is more of a rash-like spread of red dots across your shins than single trapped hairs, check out razor bumps on legs, which looks at irritation from the blade itself.

Exfoliate 1 to 2 times a week (not more)

Exfoliating clears the dead skin that can trap a hair before it surfaces. More isn't better, though: daily scrubbing leaves skin raw.

• Frequency: once or twice a week is the sweet spot for most people. Sensitive bikini skin may only want once.
• Timing: exfoliate a day or two before you shave, not right after. Freshly shaved skin is already a little stressed.
• Technique: small circles, light pressure, about 30 seconds per area. You're polishing, not sanding.
• Skip it on any bump that's sore, broken or open. Let it calm down first.

If you've never built an exfoliating habit, how to exfoliate your body walks through every option.

Already got bumps? Hands off

I know that little loop of hair is calling your name. Don't dig. Picking at a trapped hair with fingernails or tweezers breaks the skin, invites bacteria in, and can leave a dark mark that hangs around much longer than the bump would have.

1. Stop shaving that spot until it settles. Running a razor over a bump just slices the top off.
2. Use a warm compress. Hold a clean, warm washcloth on the area for a few minutes, a couple of times a day. Warmth softens the skin and can help a hair work its way to the surface.
3. Keep it clean and loose. Gentle wash, pat dry, and no tight leggings over it for a few days.
4. Be patient. Many bumps settle on their own once you leave them alone.

See a dermatologist if…

See a dermatologist if a bump gets more painful, warm, swollen or fills with pus, if redness spreads or you feel feverish, if you get hard, deep lumps that feel like cysts, if the bumps are leaving scars or dark marks, or if you're getting ingrowns often no matter how careful you are. They can confirm what's going on, since a few other skin issues look similar, and talk you through options that go beyond home care.

My bump-prevention kit

None of these products treat ingrowns. They just make the routine above easier. They're all scented with my Flirty & Fit blend of pineapple, orange, creamy coconut and bergamot, so patch test first and skip them on broken or irritated skin.

• The Gym Bunny Shave Oil Serum ($27, 2 oz). Coconut, sweet almond, jojoba and argan oils. Use it before you shave for slip, and a few drops after to soften the skin.
• The Gym Bunny Magical Sugar Scrub ($25, 4 oz). Sugar in safflower seed oil, for your once- or twice-a-week exfoliation on non-shave days.
• The Gym Bunny Body Wash ($20, 8 oz). Sulfate-free with jojoba beads and pumice for a gentle polish. I keep it on my legs in the post-workout shower and stick to plain rinsing on the bikini line.
• The Gym Bunny Body Frosting ($25, 4 oz). A whipped moisturizer with shea butter, cocoa butter and aloe for the daily moisture step.

FAQ

Cool-down

Those squat-rack leggings are still in my drawer. They just don't come out on the day after I shave anymore. Now I shave after leg day, change into loose joggers before I leave, and my bikini line stays calm. That's a PR I'll take.

Every beauty has a story.

— The Gym Bunny

Keep reading in The Princess's Vanity

• Bikini line shaving without the bumps
• Razor bumps on legs
• How to shave your underarms