Barry Keoghan Undergoes Skin-Tightening Treatment After Online Abuse

• Barry Keoghan appeared in a video for Dermaspa's Xerf treatment, a non-injection skin-tightening method.
• The treatment uses radio-frequency technology to tighten skin and renew collagen.
• Keoghan shared the video months after criticizing online abuse about his appearance.
• The Xerf treatment costs $3,300.
• Keoghan described the treatment as relaxing and therapeutic.