Face threading is one of the safest methods of facial hair removal available. It uses only a twisted cotton or polyester thread to pull hairs from the root, meaning no chemicals, hot substances, or sharp blades touch your skin. That said, any method that removes hair from the follicle carries some risk of irritation or infection, so understanding what to expect helps you avoid problems.
How Threading Works on Your Skin
A practitioner twists a length of thread into a loop, then rolls it across the skin so that individual hairs catch between the twisted fibers and get pulled out as the thread unwinds. The technique originated in India and the Middle East and has been used for centuries. Because the thread only grips hair and doesn’t adhere to or pull on the skin itself, there is much less chance of skin trauma compared to methods like waxing, which physically strips the top layer of skin along with the hair.
Each pass removes a precise line of hair at the root, which is why threading is especially popular for shaping eyebrows and removing fine hair on the upper lip, chin, and cheeks. The hair follicle stays intact but empty, so regrowth typically takes two to four weeks.
Common Side Effects
Most people experience some redness immediately after threading. This usually fades within 30 minutes to a few hours, depending on your skin’s sensitivity. Mild swelling around the threaded area is also normal and tends to resolve on its own within the same timeframe.
Less common but possible side effects include:
- Folliculitis: small, pimple-like bumps that form when bacteria enter the freshly emptied hair follicles. This is the most frequent complication and typically clears within a few days.
- Ingrown hairs: hairs that curl back into the skin as they regrow, causing small red or tender bumps.
- Temporary hyperpigmentation: darker patches at the removal site, more common in deeper skin tones, that usually fade over several weeks.
Serious complications like allergic reactions, bleeding, or infection are uncommon with standard hair-removal threading. When they do occur, they’re almost always linked to unsanitary conditions or pre-existing skin issues rather than the technique itself.
Threading vs. Waxing: Which Is Gentler?
Threading consistently ranks as the gentler option for facial skin. Waxing adheres to both hair and the skin’s surface, so it removes dead skin cells along with the hair. That exfoliation can feel smooth afterward, but it also means the top layer of skin gets stripped away, leaving it more vulnerable to irritation and sun damage.
If you use retinoids (common in acne and anti-aging products), waxing can cause significant irritation or even tear the skin because retinoids thin the outer layer. Threading doesn’t carry this risk, since the thread never bonds to the skin surface. For the same reason, threading tends to be a better fit if you have sensitive skin, rosacea, or are prone to breakouts. It causes less overall irritation and doesn’t introduce any chemical agents that could trigger a reaction.
Pain is subjective, but most people find threading less uncomfortable than waxing on the face. The sensation is a quick, sharp pull rather than the sustained sting of wax being removed from a broad area.
What Makes Threading Less Safe
The biggest variable in threading safety isn’t the technique. It’s the hygiene practices of the person performing it. A clean setup should include a few non-negotiable elements. Thread should be fresh and used only once, since it’s a porous, single-use item that picks up skin oils and bacteria during the session. Industry sanitation standards require that porous or single-use items be immediately disposed of in a trash container after each use. The practitioner should wash their hands with soap and running water before starting, or at minimum use hand sanitizer with at least 70% alcohol.
Any tools or surfaces that come into contact with your skin need to be disinfected between clients. If you notice a practitioner pulling thread from a spool that appears to have been used on someone else, or skipping hand washing entirely, those are clear reasons to leave.
Some threading practitioners hold one end of the thread in their mouth to keep both hands free. This is a traditional technique, but it does introduce oral bacteria near open follicles. Many salons have moved away from this practice, and it’s worth choosing one that has.
Reducing Your Risk of Irritation
What you do in the hours after threading matters more than most people realize. Your hair follicles are temporarily open, which makes them entry points for bacteria. Avoid touching the threaded area with your hands for the rest of the day. Skip heavy moisturizers, makeup, and sunscreen for at least a few hours after the session to keep products from clogging freshly cleared follicles.
Avoid saunas, steam rooms, and intense workouts for the first 24 hours. Heat and sweat increase blood flow to the skin and create a warm, moist environment where bacteria thrive. If you’re prone to folliculitis, wiping the area gently with a clean, damp cloth and applying a light, fragrance-free aloe gel can help calm inflammation without introducing irritants.
Sun exposure on freshly threaded skin can worsen redness and increase the chance of hyperpigmentation, especially on darker skin tones. If you’re going outside, a mineral sunscreen applied a few hours after the session provides protection without the heavier formulations that might irritate open follicles.
Who Should Be Cautious
Threading is safe for most skin types, but a few situations call for extra care. Active acne, cold sores, or open wounds in the area being threaded increase infection risk, so it’s better to wait until the skin has healed. If you have a history of keloid scarring, repeated hair removal from the same follicles could potentially trigger raised scars, though this is rare with threading specifically.
People taking blood thinners may notice more bruising or pinpoint bleeding at the follicle site. This isn’t dangerous, but it can be uncomfortable and may slow healing. If your skin reacts strongly to threading with persistent bumps or darkening that lasts more than a week, spacing sessions further apart or switching to a different area of the face can help your skin recover fully between appointments.