Skin laxity is loss of skin firmness and elasticity associated with aging, photodamage, or substantial weight loss.
The FDA added knee skin laxity to Ulthera's US indications in May 2026. Read what changed, what the small studies show, and questions to ask a clinician.
Standard microfocused ultrasound protocols are single-session. What the evidence says about repeating treatment, combining devices in one visit, and why patient and investigator ratings diverge.
How microfocused ultrasound, monopolar radiofrequency, and RF microneedling differ for skin tightening, and how clinicians choose the right energy-based option.
After rapid weight loss on GLP-1 drugs, loose skin on the abdomen, arms, and thighs is common. What the evidence says about energy-based tightening, biostimulators, timing, and when surgery is the realistic option.
What 41 studies show about RF microneedling efficacy, how devices differ, and why the FDA's 2025 serious-complication reports limit broad safety claims.