Ingrown hairs are frustrating, occasionally painful, and very common. They typically occur on areas where hair is removed, particularly the bikini line, legs, armpits, and for men, the neck and face. Understanding what causes them makes the prevention strategies obvious, and most of the effective approaches are simple enough to do at home.
What causes ingrown hairs
An ingrown hair occurs when a hair that has been removed (by shaving, waxing, or threading) regrows and curls back under the skin surface rather than emerging through the follicle opening. This happens for two main reasons.
The hair itself has a curved or coiled structure. Hair with a more oval cross-section (common in individuals of African descent and in naturally curly or wavy hair) has a strong tendency to curve back under the skin after cutting. Straight hair with a more circular cross-section is less prone to this.
The follicle opening is blocked. Dead skin cells accumulate around and over the follicle, creating a physical barrier that deflects the regrowing hair sideways or downward rather than upward and out. This is where skincare can intervene most directly.
The inflammatory reaction to an ingrown hair is the body treating the enclosed hair as a foreign body. The result is the familiar tender red bump, sometimes with a visible hair beneath the surface, and in more significant cases, a secondary bacterial infection in the blocked follicle (folliculitis).
Prevention: the most effective approach
Regular exfoliation is the primary prevention strategy. Removing the dead skin build-up around follicle openings before hair removal and in the weeks between removals keeps follicles clear. Body scrubs used two to three times a week in shower, with a focus on ingrown-prone areas, make a significant difference in how frequently ingrown hairs develop.
The mechanical exfoliation from a body scrub removes the surface dead cell layer and opens follicle openings. A coffee and peppermint body scrub combines the physical exfoliation action with caffeine, which improves local circulation, and the natural tingle of peppermint that signals skin has been properly stimulated. The Body Scrub Coffee & Peppermint used regularly in the days before hair removal and between removal sessions is one of the more effective natural approaches to ongoing ingrown hair prevention.
Shaving technique matters enormously. Shaving against the grain cuts hair at a sharper angle, creating a pointed tip that more easily curls back into skin. Shaving with the grain (in the direction of hair growth) reduces this. Using a single-blade razor rather than a multi-blade one is recommended by dermatologists for ingrown-prone skin, as multiple blades cut the hair below the skin surface, giving it further to grow before emerging.
Sharp blades, not old or disposable ones used past their effective life, make cleaner cuts that are less likely to curl back. Changing blades frequently is one of the simplest and most overlooked changes for chronic ingrown hair sufferers.
Proper moisturisation after hair removal supports the skin around the follicle. Drier skin has more significant dead cell build-up and less elasticity, both of which increase ingrown hair frequency. A non-comedogenic body lotion applied after shaving or in the days after waxing keeps the skin around follicles in better condition.
Treating existing ingrown hairs
For mild ingrown hairs, gentle exfoliation (physical or chemical) over the affected area can help the trapped hair work its way to the surface. Salicylic acid is particularly useful because it is oil-soluble and penetrates into the follicle opening, dissolving the keratin plug that is trapping the hair.
Apply a warm, damp compress to the area for three to five minutes. This softens the dead skin around the hair and can encourage the hair to emerge. After compressing, very gentle exfoliation or a salicylic acid product gives it the best opportunity.
Do not dig for deeply embedded ingrown hairs with needles or pins without sterilising the tool and the area first. Digging without care introduces bacteria into the already-inflamed follicle and risks a more significant infection. If you can see the hair loop just under the surface, sterile tweezers or a lancet can be used to gently lift the looped end of the hair out of the skin so it can regrow normally, but this is different from squeezing or excavating.
Infected ingrown hairs (spreading redness, warm skin, significant swelling, pus) should not be treated at home. See a doctor; folliculitis can require topical or oral antibiotics.
Chemical exfoliants for the body
For chronic ingrown hair sufferers, glycolic acid body washes or lotions (at 5-10%) are a more intensive approach. Applied to prone areas two to three times a week, they provide ongoing chemical exfoliation that keeps follicle openings clear between physical exfoliation sessions. AHA body lotions are available over the counter and are more consistent than manual scrubbing for maintaining smooth follicle skin on areas like the bikini line and legs.
Hair removal method considerations
Waxing removes hair from the root, which means the regrowth has to travel the full distance from follicle base to skin surface, potentially curling at any point. People prone to ingrown hairs often find waxing worsens the problem, particularly around the bikini line. Threading has similar issues for facial hair.
Laser hair removal is the most effective long-term solution for severe ingrown hair sufferers. It damages the follicle over multiple sessions, progressively reducing hair density and eliminating the problem at source. It requires multiple sessions and is not accessible to everyone, but for people with persistent folliculitis from ingrown hairs, it is the most evidence-backed permanent approach.