What should you know about light therapy for cellulite?

Cellulite is a common dimpled or uneven appearance caused by the relationship between fat compartments, connective tissue and overlying skin. Light-based and related energy devices may warm tissue, encourage temporary tightening, or alter the way the surface reflects light. They do not remove every cause of cellulite, and the appearance can change with posture, muscle tension, weight changes and fluid shifts.

The phrase light therapy can describe different technologies. A consultation should identify whether the proposed treatment uses light, radiofrequency, or another energy source, and whether it is intended to improve dimpling, laxity or skin texture.

Start with an examination of the area, skin tone, skin laxity and the pattern of dimples. Ask what the device targets, how many visits are commonly planned, whether maintenance is expected, and how improvement will be judged. Follow instructions about shaving, skincare and heat exposure. Temporary redness, warmth, tenderness or swelling can occur after energy-based procedures; report symptoms that intensify rather than settle. Other approaches may include radiofrequency skin tightening, RF microneedling, carboxytherapy or subcision, depending on the anatomy and the tethering beneath the skin.

Contact the treating service promptly for increasing pain, blistering, open skin, marked swelling, discharge, spreading redness or a change in skin colour that persists. Seek urgent help for severe pain with rapidly worsening swelling or symptoms of a serious allergic reaction. Delay treatment and request an assessment if the area has an unexplained lump, active infection, wound or new rash.

Ask: Which layer or feature is this device targeting? What improvement is realistic for my cellulite pattern? What temporary effects and skin-colour risks apply to me? Are radiofrequency, microneedling, carboxytherapy or subcision more suitable?