Side Effects

Laser Hair Removal Side Effects

Laser hair removal is generally considered safe when performed by experienced, licensed professionals using appropriate equipment; however, side effects can occur, ranging from mild to rare but serious reactions[1][2][7].

Common side effects include:

  • Skin irritation: Temporary discomfort, redness, and swelling are common following treatment and typically resolve within several hours[1][2][3][7].
  • Pigment changes: Laser hair removal can cause the treated skin to either darken (hyperpigmentation) or lighten (hypopigmentation). While these changes are usually temporary, in some cases they may be permanent, especially among individuals with darker skin or those who have had recent sun exposure[1][3][7].
  • Swelling around hair follicles: Mild swelling is a frequent but short-lived effect[7].

Rare side effects include:

  • Blistering, crusting, or scarring: These can occur but are uncommon and often associated with improper technique or treatment on recently tanned or sunburned skin[1][3][7].
  • Changes in skin texture: Rarely, the procedure may alter skin texture, especially for those with a history of abnormal scarring or who have recently tanned their skin[1][3].
  • Excessive hair growth or graying of treated hair: Very rarely, laser treatment can stimulate hair growth in the area or cause graying of previously pigmented hair[1][3].

Risks associated with improper technique or inexperienced providers:

  • Inexperienced operators or use of incorrect equipment settings increases the risk of burns, permanent skin color changes, and scarring[8].
  • Eye injury is a serious risk if lasers are used near the eyes without proper shielding; laser hair removal is not recommended for the eyelids, eyebrows, or nearby areas[1][5].

Precautions and contraindications:

  • Laser hair removal is not considered safe during pregnancy, as there is insufficient research on its effects[3].
  • Treatment should not be performed on recently tanned, sunburned, or abnormal skin, nor on individuals undergoing chemotherapy or radiation[2].
  • Protective eye gear must always be worn during treatments to avoid potential eye damage from accidental laser exposure[1][5].

Long-term and cancer risk: At present, there is no evidence that laser hair removal increases the risk of cancer, and the wavelengths used do not damage genetic material in cells[2][6].

References

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