What should you know about erbium Nd:YAG laser?

Nd:YAG describes the laser medium and its light behaviour, not one single procedure. A long-pulsed Nd:YAG system can deliver energy into selected deeper targets while limiting exposure at the surface. The clinician adjusts pulse duration, spot size, cooling, and energy for the body region, hair, vessel, or nail being treated.

The platform may be used for [Laser Hair Removal](/treatments/laser-and-energy/laser-hair-removal/) and some approaches to [Laser Treatment For Nail Fungus](/treatments/laser-and-energy/laser-nail-fungus-treatment/). Suitability depends on diagnosis, skin tone, hair or nail features, medicines, and the device available.

Tell the provider about tanning, a history of pigment change or scarring, active skin infection, cold sores, medicines, and eye conditions. Do not pluck hair before hair treatment if the clinic asks you to preserve the follicle target. Attend with clean skin and follow instructions about shaving, sun avoidance, and topical products.

After treatment, temporary warmth, redness, swelling around follicles, or sensitivity may occur. Use cooling or moisturiser only as advised, avoid rubbing and heat, and protect the area from sunlight. Nail treatment also requires patience because healthy nail must grow out; follow hygiene and any prescribed antifungal plan.

Contact the clinic for blistering, severe pain, marked swelling, spreading redness, pus, or a colour change that is worsening. Seek urgent assessment for an eye exposure, vision change, or facial swelling affecting breathing. Do not apply bleaching agents or strong acids to a reaction unless a clinician directs you.

Ask which Nd:YAG wavelength and pulse settings are planned, what tissue is being targeted, how your skin tone changes the safety plan, and how eyes will be protected. Clarify preparation, expected sensations, aftercare, follow-up, alternatives, and what finding would mean the diagnosis needs reassessment.