#dermatology (2 Posts) Two-Finger Rule: How Much Sunscreen Do You Really Need? The video featuring a doctor explaining how to apply sunscreen properly has gone viral on TikTok, with over 18,000 views as of May 31. 2024.06.04 23:41 Avoid These Foods if You're Dealing with Acne! Dermatologist Kim Ju Ha highlights foods like high glycemic index items, milk, and dairy as acne triggers. Sleep is also important. 2023.09.05 10:07