Kat, a trained esthetician and skincare expert, has gone viral on TikTok with a video of how she managed to stay wrinkle-free at 50 – and users were keen to give it a goKat, a trained esthetician and skincare expert, has gone viral on TikTok with a video of how she managed to stay wrinkle-free at 50 – and users were keen to give it a go