Bumps, Ingrowns & Redness: Troubleshooting Your Underarm Wax

December 10, 2025

TL;DR: The "Pit-Panic" Cheat Sheet

White Bumps in the Pit (Folliculitis): These tiny pus-filled spots happen when bacteria enters the open underarm pores. This is usually caused by armpit sweat or touching your pits with dirty hands.
Redness & Heat in the Fold: Normal for 2-4 hours. If your armpits stay hot longer, you likely used wax that was too hot for the sensitive skin fold or didn't hold the loose underarm skin taut.
Ingrown Armpit Hairs: The #1 underarm enemy. Caused by friction from tight sleeves or deodorant clogging the deep pores. Prevention requires gently exfoliating the armpit hollow starting 3 days post-wax.
Lifted Skin (Raw Patches): If your underarm skin looks shiny or raw, you waxed the same sensitive spot more than twice. Treat your armpit like a sunburn—keep it moist with aloe and avoid deodorant.
Intense Underarm Itch: A histamine reaction common in the gland-heavy armpit area. Do not scratch! Scratching spreads bacteria into the pores. Apply a cool compress to the pit.

Hello, WaxFam!

So, you waxed your underarms. You were expecting smooth, porcelain skin, but instead, you are looking in the mirror at red bumps, a rash, or a stubborn ingrown hair in the hollow of your armpit.

First: Don’t panic.

Underarm skin is uniquely difficult compared to legs or arms. It is thin, it folds over on itself, it houses thousands of sweat glands, and it endures constant friction from your arms moving against your body. It is the perfect storm for minor skin reactions.

At Wax Wax, we believe in total transparency. While our Italian-made Hypoallergenic Hard Wax is designed to minimize reactions in sensitive areas, technique errors or aftercare slips can still happen in the tricky underarm zone.

Today, we are troubleshooting the most common underarm waxing side effects and giving you the exact steps to fix them fast.

The White Bumps: Folliculitis in the Armpit

You wake up the morning after your wax, and your underarms look like they have a breakout of tiny whiteheads. This is not acne. This is folliculitis after waxing.

Why it happens specifically in armpits: Your underarm pores are wide open after a wax. Because the armpit is a high-heat, high-sweat zone, if you went to the gym, applied deodorant too soon, or touched the area with unwashed hands, bacteria got trapped in the empty follicle.

The Fix:

Stop Touching: Your hands carry bacteria. Keep them away from your pits.
Keep it Dry: Armpits are naturally moist. Use Cosmetic Talc to keep the underarm skin dry and bacteria-free.
Loose Sleeves: Wear a loose cotton shirt to let the armpits breathe. Avoid tight synthetic fabrics that press against the bumps.
Wait: It usually clears up on its own in 2–3 days.

The Deep Pain: Ingrown Underarm Hairs

Ingrown hairs are the most annoying side effect of underarm waxing. This happens when a new, fine hair tries to grow back but gets trapped under a layer of dead skin or deodorant buildup, causing it to curl back into the soft tissue of the armpit.

Why it happens in armpits:

Deodorant "Cement": Daily deodorant use creates a sticky layer over the deep underarm pores.
Friction: Tight t-shirt sleeves or sports bras rub against the hair as it tries to poke through.
Concave Shape: Because the underarm is curved inward, it’s hard to scrub effectively with just a loofah.

The Fix:

Prevention is Key: Starting 3 days after your wax (not sooner!), use Exfoliating Gloves in the shower. Gently scrub the underarm hollow in circular motions to remove dead skin and deodorant residue.
Treatment: If you have a painful bump in the pit, apply a warm compress to open the pore. Apply a specialized Ingrown Hair Lotion with salicylic acid to dissolve the blockage.
Don't Dig: Never try to dig the hair out of your soft underarm skin with tweezers. You will cause a scar or a worse infection in this gland-heavy area.

The "Burn": Lifted Skin (Skin Grazing)

If a patch of your underarm looks shiny, red, and feels like a raw sunburn, you likely "lifted" the skin. This means the top layer of skin was pulled off along with the wax.

Why it happens in armpits:

Waxing Over Wax: You applied wax over the same sensitive spot in the pit more than twice.
No Oil: The underarm skin was too dry or lacked a protective oil barrier.
Loose Skin: You didn't stretch your arm high enough behind your head, so the loose skin pulled with the wax.

The Fix:

Treat as a Wound: This is essentially a scrape. Keep the armpit clean.
No Deodorant: Do NOT put deodorant on lifted underarm skin. It will burn intensely.
Occlusive Balm: Apply a thin layer of antibiotic ointment or pure aloe to protect the raw patch while it heals.

The Intense Itch: Histamine Reaction

Sometimes, immediately after waxing, your underarms feel incredibly itchy and hot.

Why it happens in armpits: The underarm is packed with lymph nodes and nerve endings. The trauma of ripping deep roots out of the armpit can trigger a histamine response (like an internal allergic reaction).

The Fix:

Cool It Down: Apply a cold compress or an ice pack wrapped in a towel directly to the armpit.
Soothing Lotion: Apply Tropic Lotion or aloe vera to calm the heat.
Antihistamine: If the underarm itch is severe, an oral antihistamine (like Benadryl) can help calm the reaction.

The Proprietary Asset: The Underarm Symptom Checker

Not sure what you are looking at in the mirror? Use this table to identify your issue and the immediate solution for your underarms.

Symptom	Likely Cause	Immediate Action
Tiny whiteheads (Pus)	Bacteria entering open armpit pores (Sweat/Touching).	Keep pit dry with Talc. Do not pop them.
Shiny, raw red patch	Lifted skin (Waxed same spot 3+ times).	Apply Aloe/Antibiotic ointment. No deodorant!
Painful red lump	Ingrown hair (Trapped in the skin fold).	Warm compress + Salicylic Acid lotion.
Itchy, hot rash	Histamine reaction (Heat/Friction in pit).	Cold compress + Loose cotton shirt.
Tiny blood spots	Pinpoint Bleeding (Normal for deep roots).	Clean with antiseptic. It's a good sign!

Frequently Asked Questions

Why is my underarm skin peeling? This is "lifting." It happens if you are using retinol or antibiotics which make skin thin, or if the wax was too hot for the delicate armpit area. Ensure you are not on any contraindicated medications before waxing your pits.

How do I get rid of dark spots in my armpits after ingrowns? Hyper-pigmentation in the underarm is common after a bad ingrown. Once the hair is out and the skin is healed, gentle exfoliation and keeping the area moisturized will help fade the mark over time.

Can deodorant cause ingrown hairs in the armpit? Yes. Antiperspirants that contain aluminum can clog deep sweat glands and pores. If you are prone to ingrowns, consider switching to an aluminum-free deodorant, especially for the first few days after your wax.

Conclusion: Knowledge is Power

Most underarm waxing issues are temporary and fixable. The key is to treat your armpits like the sensitive area they are. Keep them clean, keep them dry, and give them a break from tight sleeves and friction.

If you are consistently struggling with reactions, double-check your tools. Cheap waxes with rosin often cause allergic reactions in sensitive zones. Switching to a high-quality Hypoallergenic Wax like Wax Wax is often the simplest fix for chronic underarm irritation.

Heal up, stay smooth, and don’t pick at those bumps, WaxFam!