Knee Gel Injections for Osteoarthritis Relief in Anaheim & Newport Beach, CA Gel injections for the knee involve the injection of a gel like substance into the knee joint to provide lubrication and cushioning. This treatment is often used to alleviate pain and improve mobility Gel injections help reduce friction inside the knee joint, especially with arthritis or wear and tear., They add cushion and lubrication to make movement smoother and pain more manageable., Durex Sensual Pleasure, Personal Lubricant, Ylang Ylang, 6.76 fl oz (200 ml) : Target Sex Slime Cum Styled Water Based Sex Lubricant Primal Pleasure