Laser hair removal targets pigment in the hair follicle to destroy it over a series of sessions. The FDA calls it "permanent reduction," not "permanent removal" — most patients need 6–10 treatments plus occasional annual touch-ups to hold results.
Find a Laser Hair Removal provider near youLaser hair removal uses a concentrated beam of light absorbed by melanin (pigment) in the hair shaft. That light converts to heat, damaging the follicle's ability to regrow hair. Because the laser only targets follicles in the active growth phase (anagen), treatments must be spaced 4–8 weeks apart to catch each follicle during the right cycle. Most patients need 6–10 sessions for substantial reduction.
Common treatment areas include:
Different lasers suit different skin tones: Alexandrite (755nm) works best on light skin, while Nd:YAG (1064nm) is the standard for darker skin types (Fitzpatrick IV–VI). Diode lasers sit in the middle. IPL (intense pulsed light) is a related but weaker alternative. Laser does not work on blonde, red, white, or gray hair because there's no pigment to target.
The classic ideal candidate has dark, coarse hair on lighter skin — the pigment contrast makes targeting easy. But modern Nd:YAG lasers now treat all skin tones safely when operated by someone trained for darker complexions. Best outcomes go to patients who commit to the full series, keep appointments 4–8 weeks apart, and avoid tanning (including self-tanner) during the treatment window.
You're not a good candidate if your hair is blonde, red, gray, or white — laser can't "see" it. Skip laser if you're pregnant, on Accutane within the last 6 months, have active herpes or infection in the area, take photosensitizing medication, or have a recent tan. PRP or electrolysis are alternatives for light hair.
Expect redness, slight swelling around follicles ("perifollicular edema"), and a sunburn-like sensation for a few hours up to 2 days post-treatment. Treated hairs shed over 1–3 weeks — this looks like regrowth but is the follicle pushing the dead hair out. Mild crusting can occur on facial areas.
More significant risks include burns, blistering, and pigment changes. Hyperpigmentation (darkening) and hypopigmentation (lightening) occur more frequently in Fitzpatrick skin types IV–VI, with reported rates of 1–10% depending on laser type and operator skill — most resolve within 3–6 months. Rare complications include scarring, paradoxical hypertrichosis (more hair, usually on the face/neck in darker skin types), and eye injury if eyewear isn't used.
Contact your provider if you develop blisters, intense pain lasting more than 48 hours, open wounds, oozing, signs of infection, or pigment changes that are expanding rather than fading.
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