From teenagers struggling with acne to adults living with rosacea or pigmentation, problem skin can affect confidence just as much as appearance. Treating skin without understanding the cause is a little like painting over damp – it may look better temporarily, but the underlying problem remains. What's the one thing people with problem skin often overlook? When should someone seek professional skincare advice? If your skin isn't improving, the problem keeps returning, or is starting to affect your everyday life, don't keep hoping it'll eventually resolve itself.