This guide breaks down the essential steps to create an effective nighttime skincare routine for acne-prone skin. It covers double cleansing to remove makeup and oil, using active ingredients like salicylic acid, benzoyl peroxide, and retinoids to target acne, and finishing with a lightweight, non-comedogenic moisturizer to maintain hydration. The article also offers tips for introducing active ingredients gradually to avoid irritation and FAQs about acne care.