This article discusses the common skin condition of acne, which affects people of all ages but is particularly common in teenagers. It explains that acne is caused by a combination of factors, including genetics, hormonal changes, diet, and stress, and describes the different types of acne. The article also provides tips on how to prevent acne, including washing your face twice a day, avoiding touching your face, using oil-free products, and eating a healthy diet. It provides a skincare routine for acne-prone skin, including using a gentle cleanser, toner, spot treatment, moisturizer, and sunscreen, and avoiding harsh scrubs and picking at pimples. The article also highlights key ingredients in skincare that can help prevent acne, including salicylic acid, benzoyl peroxide, retinoids, niacinamide, and tea tree oil.